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September

Florianopolis Weather in September with Sea Temperature

September weather in Florianopolis includes average daytime air +22°C, nighttime +16°C, average sea temperature +19°C. Daily water temperatures usually range from +18°C to +20°C, which is cool for long swims. The tables below also show air temperature, wind, rain and humidity; for near-term water data, open the current 30-day water temperature forecast.

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Averaged values across several years

Daily air temperature for the month

Day Night

Daily sea water temperature for the month

Water

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September	Day	Night	Sea t°	Wind	Precip	Humidity
1Mon	+21°C	+16°C	+19°C	4 m/s	0.2 mm	88%
2Tue	+20°C	+16°C	+19°C	3 m/s	1.3 mm	86%
3Wed	+22°C	+15°C	+19°C	4 m/s	0.1 mm	85%
4Thu	+21°C	+15°C	+19°C	4 m/s	0.1 mm	82%
5Fri	+19°C	+14°C	+18°C	4 m/s	1.3 mm	81%
6Sat	+18°C	+14°C	+19°C	3 m/s	0.4 mm	84%
7Sun	+20°C	+16°C	+19°C	3 m/s	1 mm	87%
8Mon	+22°C	+17°C	+19°C	3 m/s	1.4 mm	90%
9Tue	+24°C	+17°C	+19°C	3 m/s	0.4 mm	87%
10Wed	+22°C	+16°C	+19°C	4 m/s	0.1 mm	83%
11Thu	+23°C	+15°C	+19°C	3 m/s	0 mm	80%
12Fri	+22°C	+16°C	+20°C	4 m/s	0.9 mm	83%
13Sat	+22°C	+16°C	+20°C	3 m/s	0 mm	84%
14Sun	+21°C	+16°C	+19°C	4 m/s	0.4 mm	84%
15Mon	+19°C	+15°C	+19°C	4 m/s	0.7 mm	79%
16Tue	+21°C	+15°C	+19°C	3 m/s	0.2 mm	82%
17Wed	+22°C	+15°C	+19°C	3 m/s	1.2 mm	85%
18Thu	+24°C	+17°C	+20°C	3 m/s	0.8 mm	83%
19Fri	+22°C	+17°C	+19°C	3 m/s	0.8 mm	87%
20Sat	+22°C	+17°C	+19°C	4 m/s	0.9 mm	85%
21Sun	+21°C	+16°C	+19°C	4 m/s	0.3 mm	82%
22Mon	+21°C	+15°C	+19°C	4 m/s	1.5 mm	80%
23Tue	+22°C	+14°C	+19°C	3 m/s	0 mm	74%
24Wed	+22°C	+16°C	+19°C	3 m/s	0.1 mm	78%
25Thu	+22°C	+16°C	+19°C	3 m/s	0.6 mm	82%
26Fri	+23°C	+17°C	+19°C	3 m/s	0.6 mm	84%
27Sat	+23°C	+17°C	+19°C	4 m/s	0.4 mm	83%
28Sun	+21°C	+16°C	+20°C	4 m/s	0.1 mm	79%
29Mon	+21°C	+16°C	+19°C	3 m/s	0.4 mm	82%
30Tue	+22°C	+17°C	+19°C	4 m/s	0.3 mm	85%

Sea water temperature by months

Water +19°C

Day and night air temperature

Day +22°C Night +16°C

Weather highs and lows in Florianopolis for september

Warmest day: 9 september, +24°C
Coldest night: 5 september, +14°C
Max precipitation: 22 september, 1.5 mm
Warmest sea water: 12 september, +20°C
Coldest sea water: 5 september, +18°C

Climate in Florianopolis in september

Average daytime temperature: +22°C
Average nighttime temperature: +16°C
Sea water temperature: —
Precipitation (monthly average): 16.5 mm
Days with precipitation: 5
Humidity: 83%
Wind: 4 m/s
Data: 7 years / coverage 100%

Daily air temperature for the month

Day Night

Daily sea water temperature for the month

Water

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September	Day	Night	Sea t°	Wind	Precip	Humidity
1Mon	+21°C	+18°C	+19°C	3-5 m/s, NE	1.2 mm	94%
2Tue	+20°C	+18°C	+19°C	4-5 m/s, NNE	0.5 mm	94%
3Wed	+22°C	+17°C	+19°C	5 m/s, N	0.1 mm	88%
4Thu	+24°C	+16°C	+19°C	4 m/s, NNE	0 mm	87%
5Fri	+16°C	+14°C	+18°C	4-5 m/s, SSW	2.2 mm	90%
6Sat	+13°C	+12°C	+19°C	4-5 m/s, SSW	0.7 mm	86%
7Sun	+16°C	+13°C	+19°C	1-2 m/s, SW	0 mm	74%
8Mon	+18°C	+15°C	+19°C	2-4 m/s, N	1 mm	97%
9Tue	+21°C	+15°C	+19°C	3-4 m/s, S	0.8 mm	92%
10Wed	+21°C	+13°C	+19°C	2 m/s, NE	0 mm	83%
11Thu	+21°C	+14°C	+19°C	3-4 m/s, SE	0 mm	80%
12Fri	+19°C	+14°C	+20°C	4-5 m/s, SSE	0 mm	69%
13Sat	+20°C	+12°C	+20°C	2-3 m/s, NNE	0 mm	68%
14Sun	+21°C	+13°C	+19°C	4-5 m/s, NNE	0 mm	76%
15Mon	+21°C	+15°C	+19°C	4-6 m/s, NNE	0.2 mm	79%
16Tue	+22°C	+16°C	+19°C	2-4 m/s, SE	0.1 mm	88%
17Wed	+22°C	+16°C	+19°C	2-3 m/s, SSE	0.1 mm	84%
18Thu	+24°C	+17°C	+20°C	2-3 m/s, ENE	0.2 mm	80%
19Fri	+24°C	+17°C	+19°C	3-4 m/s, NNE	0.2 mm	82%
20Sat	+27°C	+16°C	+19°C	3 m/s, NE	0 mm	79%
21Sun	+23°C	+17°C	+19°C	2-3 m/s, ENE	1.9 mm	90%
22Mon	+20°C	+15°C	+19°C	5 m/s, SSW	10.3 mm	92%
23Tue	+21°C	+12°C	+19°C	2-3 m/s, WNW	0 mm	66%
24Wed	+20°C	+15°C	+19°C	2-4 m/s, E	0.1 mm	71%
25Thu	+18°C	+14°C	+19°C	4 m/s, SSE	0.3 mm	72%
26Fri	+19°C	+15°C	+19°C	3-4 m/s, NE	0.2 mm	64%
27Sat	+21°C	+16°C	+19°C	5-6 m/s, NNE	0.1 mm	68%
28Sun	+20°C	+17°C	+20°C	4-6 m/s, N	0.4 mm	85%
29Mon	+23°C	+15°C	+19°C	2 m/s, E	0 mm	82%
30Tue	+23°C	+16°C	+19°C	3-5 m/s, N	0.2 mm	84%

Weather highs and lows in Florianopolis for september

Warmest day: 20 september, +27°C
Coldest night: 6 september, +12°C
Max precipitation: 22 september, 10.3 mm
Warmest water: 12 september, +20°C
Coldest water: 5 september, +18°C

Climate in Florianopolis in september

Year: 2025
Average daytime temperature: +21°C
Average nighttime temperature: +15°C
Water temperature: +19°C
Precipitation (month): 20.8 mm
Days with precipitation: 5
Humidity: 81%
Wind: 3 m/s

Daily air temperature for the month

Day Night

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September	Day	Night	Sea t°	Wind	Precip	Humidity
1Sun	+23°C	+16°C	—	5-7 m/s, NE	0 mm	86%
2Mon	+19°C	+14°C	—	2-3 m/s, ESE	0 mm	82%
3Tue	+24°C	+14°C	—	4-6 m/s, NNE	0 mm	78%
4Wed	+23°C	+15°C	—	3-5 m/s, NNE	0 mm	84%
5Thu	+17°C	+14°C	—	7-9 m/s, SSW	1.6 mm	87%
6Fri	+19°C	+11°C	—	3-4 m/s, NNE	0 mm	72%
7Sat	+26°C	+16°C	—	4-6 m/s, N	0 mm	77%
8Sun	+27°C	+18°C	—	4-5 m/s, NNE	0 mm	80%
9Mon	+25°C	+17°C	—	3-4 m/s, NNE	0 mm	83%
10Tue	+26°C	+17°C	—	5-6 m/s, NNE	0 mm	78%
11Wed	+29°C	+17°C	—	4-5 m/s, NNE	0 mm	73%
12Thu	+24°C	+17°C	—	4-7 m/s, SE	0 mm	73%
13Fri	+25°C	+16°C	—	3-4 m/s, ESE	0 mm	85%
14Sat	+22°C	+16°C	—	5-8 m/s, NNE	0.8 mm	91%
15Sun	+16°C	+14°C	—	5-8 m/s, S	4.5 mm	91%
16Mon	+18°C	+15°C	—	3-4 m/s, S	1.1 mm	92%
17Tue	+20°C	+14°C	—	2-3 m/s, ESE	0.1 mm	78%
18Wed	+21°C	+15°C	—	3-5 m/s, NNE	0.2 mm	78%
19Thu	+22°C	+16°C	—	4-6 m/s, N	0.1 mm	79%
20Fri	+22°C	+18°C	—	3-5 m/s, NNE	0.7 mm	92%
21Sat	+24°C	+17°C	—	2-4 m/s, NE	0 mm	86%
22Sun	+25°C	+16°C	—	4-5 m/s, NNE	0 mm	83%
23Mon	+26°C	+17°C	—	5-6 m/s, NNE	0 mm	84%
24Tue	+26°C	+18°C	—	4-6 m/s, NNE	0.1 mm	83%
25Wed	+26°C	+17°C	—	4-6 m/s, NNE	0 mm	82%
26Thu	+24°C	+18°C	—	2-3 m/s, E	1.6 mm	89%
27Fri	+23°C	+17°C	—	6-10 m/s, SE	2.1 mm	82%
28Sat	+21°C	+14°C	—	3-4 m/s, ENE	0 mm	73%
29Sun	+23°C	+14°C	—	4-6 m/s, NNE	0 mm	77%
30Mon	+25°C	+18°C	—	5-6 m/s, N	0 mm	78%

Weather highs and lows in Florianopolis for september

Warmest day: 11 september, +29°C
Coldest night: 6 september, +11°C
Max precipitation: 15 september, 4.5 mm
Warmest water: —
Coldest water: —

Climate in Florianopolis in september

Year: 2024
Average daytime temperature: +23°C
Average nighttime temperature: +16°C
Water temperature: —
Precipitation (month): 12.9 mm
Days with precipitation: 5
Humidity: 82%
Wind: 4 m/s

Daily air temperature for the month

Day Night

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September	Day	Night	Sea t°	Wind	Precip	Humidity
1Fri	+23°C	+15°C	—	2-4 m/s, NNE	0 mm	80%
2Sat	+18°C	+15°C	—	3-5 m/s, WNW	1.9 mm	94%
3Sun	+21°C	+16°C	—	3-4 m/s, N	0 mm	94%
4Mon	+26°C	+18°C	—	4-5 m/s, N	0 mm	91%
5Tue	+21°C	+14°C	—	6-8 m/s, SSW	0.3 mm	74%
6Wed	+17°C	+14°C	—	3-6 m/s, SSE	0 mm	76%
7Thu	+20°C	+17°C	—	5-7 m/s, N	0.2 mm	87%
8Fri	+22°C	+18°C	—	4-5 m/s, N	1.5 mm	88%
9Sat	+23°C	+17°C	—	3-4 m/s, S	0.3 mm	91%
10Sun	+21°C	+17°C	—	3-4 m/s, N	0 mm	86%
11Mon	+25°C	+17°C	—	5-6 m/s, N	0 mm	84%
12Tue	+27°C	+17°C	—	4-6 m/s, NNE	0 mm	84%
13Wed	+22°C	+16°C	—	2 m/s, NNW	0 mm	87%
14Thu	+20°C	+14°C	—	5-9 m/s, S	0.1 mm	79%
15Fri	+19°C	+11°C	—	3-5 m/s, SE	0 mm	68%
16Sat	+24°C	+14°C	—	5-8 m/s, N	0 mm	76%
17Sun	+28°C	+15°C	—	4 m/s, N	0 mm	76%
18Mon	+31°C	+18°C	—	3-4 m/s, N	0 mm	67%
19Tue	+24°C	+18°C	—	4-6 m/s, SSE	1.6 mm	90%
20Wed	+26°C	+19°C	—	2 m/s, NE	0 mm	87%
21Thu	+25°C	+19°C	—	4-5 m/s, N	0 mm	84%
22Fri	+26°C	+18°C	—	4-6 m/s, ESE	0 mm	81%
23Sat	+26°C	+19°C	—	2-3 m/s, ESE	0 mm	90%
24Sun	+25°C	+19°C	—	6-9 m/s, SSE	0 mm	86%
25Mon	+20°C	+19°C	—	4-6 m/s, ESE	0.8 mm	92%
26Tue	+21°C	+19°C	—	3-5 m/s, NNE	1.6 mm	97%
27Wed	+22°C	+15°C	—	5-9 m/s, SSW	0.5 mm	93%
28Thu	+20°C	+14°C	—	5-7 m/s, SSE	0 mm	72%
29Fri	+19°C	+16°C	—	3-4 m/s, N	0.4 mm	91%
30Sat	+19°C	+17°C	—	3-4 m/s, N	0.8 mm	93%

Weather highs and lows in Florianopolis for september

Warmest day: 18 september, +31°C
Coldest night: 15 september, +11°C
Max precipitation: 2 september, 1.9 mm
Warmest water: —
Coldest water: —

Climate in Florianopolis in september

Year: 2023
Average daytime temperature: +23°C
Average nighttime temperature: +17°C
Water temperature: —
Precipitation (month): 10 mm
Days with precipitation: 4
Humidity: 85%
Wind: 4 m/s

Daily air temperature for the month

Day Night

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September	Day	Night	Sea t°	Wind	Precip	Humidity
1Thu	+23°C	+14°C	—	5-6 m/s, S	0 mm	82%
2Fri	+22°C	+15°C	—	4-5 m/s, S	6 mm	87%
3Sat	+16°C	+13°C	—	6-7 m/s, SSW	0.5 mm	92%
4Sun	+19°C	+11°C	—	4-5 m/s, SSW	0 mm	64%
5Mon	+19°C	+13°C	—	2-3 m/s, SSE	2.2 mm	74%
6Tue	+18°C	+16°C	—	3-4 m/s, NNE	0.4 mm	90%
7Wed	+19°C	+16°C	—	4-5 m/s, SSE	1 mm	94%
8Thu	+25°C	+15°C	—	3-4 m/s, S	0 mm	88%
9Fri	+31°C	+18°C	—	4-5 m/s, NNW	0 mm	76%
10Sat	+20°C	+14°C	—	7-8 m/s, S	0.4 mm	84%
11Sun	+16°C	+12°C	—	3-4 m/s, SE	0 mm	75%
12Mon	+17°C	+14°C	—	4-5 m/s, N	6.3 mm	93%
13Tue	+21°C	+16°C	—	3-5 m/s, S	0 mm	88%
14Wed	+19°C	+16°C	—	4-5 m/s, SSW	0 mm	82%
15Thu	+19°C	+15°C	—	4-5 m/s, S	0 mm	80%
16Fri	+20°C	+13°C	—	3-4 m/s, S	0 mm	78%
17Sat	+20°C	+12°C	—	3-4 m/s, SSW	0.6 mm	78%
18Sun	+20°C	+15°C	—	3-4 m/s, NNE	0.5 mm	80%
19Mon	+19°C	+14°C	—	4-5 m/s, S	2.1 mm	85%
20Tue	+22°C	+14°C	—	4-6 m/s, SW	0.2 mm	87%
21Wed	+21°C	+15°C	—	3-4 m/s, SSE	0 mm	83%
22Thu	+22°C	+15°C	—	2-5 m/s, S	0 mm	92%
23Fri	+22°C	+11°C	—	4-6 m/s, SW	0 mm	70%
24Sat	+19°C	+10°C	—	2-3 m/s, SSW	0 mm	66%
25Sun	+21°C	+12°C	—	2-3 m/s, SSE	1.5 mm	78%
26Mon	+23°C	+14°C	—	4 m/s, S	0.5 mm	85%
27Tue	+22°C	+16°C	—	3-4 m/s, SW	0 mm	86%
28Wed	+20°C	+17°C	—	6-7 m/s, S	0 mm	80%
29Thu	+19°C	+16°C	—	4 m/s, SSE	0.6 mm	78%
30Fri	+18°C	+16°C	—	2-3 m/s, NNE	0 mm	85%

Weather highs and lows in Florianopolis for september

Warmest day: 9 september, +31°C
Coldest night: 24 september, +10°C
Max precipitation: 12 september, 6.3 mm
Warmest water: —
Coldest water: —

Climate in Florianopolis in september

Year: 2022
Average daytime temperature: +20°C
Average nighttime temperature: +14°C
Water temperature: —
Precipitation (month): 22.8 mm
Days with precipitation: 6
Humidity: 82%
Wind: 4 m/s

Daily air temperature for the month

Day Night

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September	Day	Night	Sea t°	Wind	Precip	Humidity
1Wed	+23°C	+17°C	—	5-6 m/s, S	0 mm	88%
2Thu	+24°C	+17°C	—	5-6 m/s, S	0 mm	83%
3Fri	+27°C	+16°C	—	4-5 m/s, S	0 mm	80%
4Sat	+21°C	+17°C	—	2-3 m/s, SSE	0 mm	84%
5Sun	+24°C	+16°C	—	3-4 m/s, SW	2 mm	90%
6Mon	+21°C	+16°C	—	2-4 m/s, SSE	0.1 mm	82%
7Tue	+18°C	+17°C	—	3-5 m/s, ENE	0.7 mm	96%
8Wed	+20°C	+18°C	—	4-5 m/s, NNE	1.7 mm	94%
9Thu	+23°C	+17°C	—	3-4 m/s, ESE	0.1 mm	89%
10Fri	+21°C	+15°C	—	2-3 m/s, SSW	0 mm	80%
11Sat	+22°C	+15°C	—	2-3 m/s, S	0 mm	80%
12Sun	+24°C	+17°C	—	3-5 m/s, SSW	0 mm	87%
13Mon	+24°C	+18°C	—	5-6 m/s, SW	0 mm	88%
14Tue	+23°C	+19°C	—	2-3 m/s, S	2 mm	95%
15Wed	+20°C	+15°C	—	5-7 m/s, S	0 mm	86%
16Thu	+18°C	+14°C	—	2 m/s, SSE	0.1 mm	72%
17Fri	+18°C	+14°C	—	2-3 m/s, W	6.7 mm	96%
18Sat	+24°C	+18°C	—	3 m/s, SSE	1.5 mm	94%
19Sun	+24°C	+19°C	—	3-4 m/s, S	0 mm	92%
20Mon	+25°C	+20°C	—	4-6 m/s, NNE	0.6 mm	91%
21Tue	+20°C	+15°C	—	7-9 m/s, S	0 mm	87%
22Wed	+20°C	+15°C	—	5-7 m/s, S	0 mm	71%
23Thu	+21°C	+15°C	—	3-4 m/s, NNE	0 mm	67%
24Fri	+21°C	+16°C	—	3 m/s, S	0.7 mm	82%
25Sat	+22°C	+16°C	—	2-3 m/s, ESE	0.1 mm	85%
26Sun	+26°C	+18°C	—	3-4 m/s, SSW	0 mm	84%
27Mon	+26°C	+18°C	—	3-4 m/s, NNE	0 mm	86%
28Tue	+27°C	+19°C	—	3-6 m/s, SSW	0 mm	88%
29Wed	+22°C	+18°C	—	4-6 m/s, SE	1.6 mm	90%
30Thu	+22°C	+17°C	—	3-4 m/s, SE	1.1 mm	82%

Weather highs and lows in Florianopolis for september

Warmest day: 3 september, +27°C
Coldest night: 16 september, +14°C
Max precipitation: 17 september, 6.7 mm
Warmest water: —
Coldest water: —

Climate in Florianopolis in september

Year: 2021
Average daytime temperature: +22°C
Average nighttime temperature: +17°C
Water temperature: —
Precipitation (month): 19 mm
Days with precipitation: 7
Humidity: 86%
Wind: 3 m/s

Daily air temperature for the month

Day Night

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September	Day	Night	Sea t°	Wind	Precip	Humidity
1Tue	+18°C	+17°C	—	3-4 m/s, E	0.3 mm	94%
2Wed	+20°C	+17°C	—	4-5 m/s, NNE	0.6 mm	90%
3Thu	+24°C	+16°C	—	5-6 m/s, SSW	0.1 mm	90%
4Fri	+18°C	+15°C	—	4-5 m/s, SSE	0 mm	88%
5Sat	+21°C	+16°C	—	2 m/s, S	0.6 mm	86%
6Sun	+21°C	+17°C	—	2 m/s, ESE	1.4 mm	96%
7Mon	+18°C	+17°C	—	3-4 m/s, SSE	5 mm	93%
8Tue	+19°C	+15°C	—	3-4 m/s, SSE	5.9 mm	93%
9Wed	+22°C	+17°C	—	4-5 m/s, NNE	1.5 mm	91%
10Thu	+23°C	+17°C	—	4-6 m/s, WNW	0.1 mm	90%
11Fri	+24°C	+16°C	—	3-5 m/s, NNE	0 mm	81%
12Sat	+24°C	+18°C	—	4-5 m/s, SW	0 mm	88%
13Sun	+27°C	+18°C	—	3-5 m/s, ENE	0 mm	84%
14Mon	+22°C	+15°C	—	6-9 m/s, S	0 mm	78%
15Tue	+18°C	+14°C	—	3-7 m/s, SE	0 mm	65%
16Wed	+22°C	+16°C	—	3-4 m/s, WSW	0 mm	78%
17Thu	+24°C	+18°C	—	2 m/s, SE	0.5 mm	91%
18Fri	+25°C	+18°C	—	1-2 m/s, SSW	0 mm	88%
19Sat	+24°C	+16°C	—	3-7 m/s, SW	0.2 mm	86%
20Sun	+16°C	+14°C	—	6-8 m/s, S	0.1 mm	70%
21Mon	+17°C	+13°C	—	4 m/s, S	0 mm	64%
22Tue	+17°C	+12°C	—	3 m/s, SE	0 mm	66%
23Wed	+21°C	+14°C	—	3-4 m/s, S	0 mm	74%
24Thu	+24°C	+17°C	—	3-4 m/s, S	0 mm	81%
25Fri	+25°C	+17°C	—	3 m/s, S	0 mm	82%
26Sat	+24°C	+17°C	—	3-4 m/s, S	0 mm	82%
27Sun	+25°C	+18°C	—	3-4 m/s, S	0 mm	84%
28Mon	+21°C	+16°C	—	4-6 m/s, SSW	0.3 mm	85%
29Tue	+20°C	+17°C	—	3-5 m/s, NE	0 mm	74%
30Wed	+24°C	+18°C	—	4-5 m/s, S	0.1 mm	87%

Weather highs and lows in Florianopolis for september

Warmest day: 13 september, +27°C
Coldest night: 22 september, +12°C
Max precipitation: 8 september, 5.9 mm
Warmest water: —
Coldest water: —

Climate in Florianopolis in september

Year: 2020
Average daytime temperature: +22°C
Average nighttime temperature: +16°C
Water temperature: —
Precipitation (month): 16.7 mm
Days with precipitation: 4
Humidity: 83%
Wind: 3 m/s

Daily air temperature for the month

Day Night

Tap a date to open detailed weather for that day

September	Day	Night	Sea t°	Wind	Precip	Humidity
1Sun	+17°C	+15°C	—	5-6 m/s, SSW	0.2 mm	90%
2Mon	+18°C	+15°C	—	2-3 m/s, SSE	0 mm	71%
3Tue	+18°C	+15°C	—	3-5 m/s, SSE	0 mm	74%
4Wed	+16°C	+13°C	—	4-6 m/s, S	0.8 mm	76%
5Thu	+14°C	+12°C	—	5-6 m/s, S	0 mm	66%
6Fri	+16°C	+13°C	—	2-3 m/s, N	0.5 mm	83%
7Sat	+20°C	+16°C	—	4-5 m/s, WSW	0.1 mm	91%
8Sun	+24°C	+17°C	—	4-6 m/s, S	0 mm	90%
9Mon	+25°C	+18°C	—	4 m/s, NNE	0 mm	85%
10Tue	+24°C	+17°C	—	4-5 m/s, WSW	0 mm	78%
11Wed	+25°C	+17°C	—	4-5 m/s, ENE	0 mm	86%
12Thu	+22°C	+17°C	—	4-8 m/s, S	0 mm	88%
13Fri	+18°C	+16°C	—	5-6 m/s, S	0.3 mm	85%
14Sat	+19°C	+16°C	—	2-4 m/s, ENE	0.1 mm	84%
15Sun	+23°C	+18°C	—	5-6 m/s, ENE	0 mm	87%
16Mon	+26°C	+19°C	—	5-6 m/s, S	0.1 mm	88%
17Tue	+19°C	+18°C	—	5-6 m/s, SSE	0.1 mm	91%
18Wed	+20°C	+16°C	—	3-6 m/s, S	3 mm	92%
19Thu	+20°C	+16°C	—	2-3 m/s, SW	1.5 mm	94%
20Fri	+19°C	+16°C	—	5-8 m/s, S	4.4 mm	86%
21Sat	+17°C	+15°C	—	4-5 m/s, S	0.2 mm	82%
22Sun	+20°C	+15°C	—	4-7 m/s, SSE	0 mm	72%
23Mon	+19°C	+12°C	—	3-4 m/s, SE	0 mm	64%
24Tue	+19°C	+16°C	—	3 m/s, ESE	0.1 mm	77%
25Wed	+21°C	+17°C	—	2-4 m/s, S	1.3 mm	86%
26Thu	+22°C	+16°C	—	2-3 m/s, SW	0.4 mm	86%
27Fri	+21°C	+16°C	—	5-7 m/s, S	0 mm	80%
28Sat	+19°C	+16°C	—	3-4 m/s, ENE	0 mm	71%
29Sun	+20°C	+16°C	—	4-5 m/s, S	0 mm	80%
30Mon	+21°C	+18°C	—	5-7 m/s, S	0.2 mm	86%

Weather highs and lows in Florianopolis for september

Warmest day: 16 september, +26°C
Coldest night: 5 september, +12°C
Max precipitation: 20 september, 4.4 mm
Warmest water: —
Coldest water: —

Climate in Florianopolis in september

Year: 2019
Average daytime temperature: +20°C
Average nighttime temperature: +16°C
Water temperature: —
Precipitation (month): 13.3 mm
Days with precipitation: 4
Humidity: 82%
Wind: 4 m/s

Weather in Florianopolis in september by year

Year	Day	Night	Precipitation	Days with precipitation	Water
2025	+21°C	+15°C	20.8 mm	5	+19°C
2024	+23°C	+16°C	12.9 mm	5	—
2023	+23°C	+17°C	10 mm	4	—
2022	+20°C	+14°C	22.8 mm	6	—
2021	+22°C	+17°C	19 mm	7	—
2020	+22°C	+16°C	16.7 mm	4	—
2019	+20°C	+16°C	13.3 mm	4	—

Comparison september in Florianopolis with other months

Month	Day	Night	Days with precipitation	Sunny days
January	+28°C	+22°C	9	3
February	+28°C	+22°C	7	4
March	+28°C	+21°C	7	4
April	+25°C	+19°C	5	7
May	+23°C	+16°C	5	12
June	+21°C	+15°C	6	13
July	+20°C	+13°C	4	15
August	+20°C	+14°C	4	14
September	+22°C	+16°C	5	7
October	+23°C	+18°C	9	5
November	+24°C	+19°C	7	5
December	+26°C	+20°C	7	5