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September

Olhao Weather in September with Sea Temperature

September weather in Olhao includes average daytime air +25°C, nighttime +19°C, average sea temperature +22°C. Daily water temperatures usually range from +22°C to +23°C, which is mild for beach planning. 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	+26°C	+19°C	+23°C	4 m/s	0 mm	61%
2Tue	+26°C	+19°C	+23°C	4 m/s	0 mm	65%
3Wed	+26°C	+19°C	+23°C	4 m/s	1 mm	65%
4Thu	+26°C	+19°C	+22°C	4 m/s	0 mm	64%
5Fri	+26°C	+20°C	+22°C	3 m/s	0 mm	67%
6Sat	+25°C	+20°C	+22°C	3 m/s	0 mm	70%
7Sun	+25°C	+19°C	+22°C	3 m/s	0 mm	69%
8Mon	+26°C	+20°C	+22°C	4 m/s	0 mm	67%
9Tue	+26°C	+19°C	+23°C	4 m/s	0.1 mm	71%
10Wed	+26°C	+20°C	+23°C	3 m/s	0 mm	69%
11Thu	+26°C	+20°C	+22°C	3 m/s	0 mm	67%
12Fri	+25°C	+20°C	+22°C	4 m/s	0.2 mm	68%
13Sat	+25°C	+21°C	+22°C	5 m/s	0.2 mm	69%
14Sun	+25°C	+20°C	+22°C	4 m/s	1.5 mm	76%
15Mon	+24°C	+20°C	+22°C	3 m/s	0 mm	76%
16Tue	+24°C	+20°C	+22°C	3 m/s	0.2 mm	71%
17Wed	+25°C	+20°C	+22°C	3 m/s	0.1 mm	70%
18Thu	+24°C	+20°C	+22°C	4 m/s	0.1 mm	71%
19Fri	+24°C	+20°C	+22°C	3 m/s	0.1 mm	74%
20Sat	+24°C	+20°C	+22°C	3 m/s	0 mm	70%
21Sun	+25°C	+19°C	+22°C	4 m/s	0.2 mm	68%
22Mon	+24°C	+18°C	+22°C	4 m/s	0.1 mm	65%
23Tue	+24°C	+19°C	+22°C	3 m/s	1.8 mm	63%
24Wed	+25°C	+19°C	+22°C	4 m/s	0 mm	63%
25Thu	+24°C	+19°C	+22°C	4 m/s	0 mm	68%
26Fri	+24°C	+19°C	+22°C	3 m/s	0.1 mm	66%
27Sat	+25°C	+19°C	+22°C	3 m/s	0 mm	62%
28Sun	+25°C	+18°C	+22°C	5 m/s	0.1 mm	64%
29Mon	+25°C	+18°C	+22°C	3 m/s	0 mm	60%
30Tue	+25°C	+19°C	+22°C	3 m/s	0 mm	59%

Sea water temperature by months

Water +22°C

Day and night air temperature

Day +25°C Night +19°C

Weather highs and lows in Olhao for september

Warmest day: 3 september, +26°C
Coldest night: 29 september, +18°C
Max precipitation: 23 september, 1.8 mm
Warmest sea water: 1 september, +23°C
Coldest sea water: 4 september, +22°C

Climate in Olhao in september

Average daytime temperature: +25°C
Average nighttime temperature: +19°C
Sea water temperature: —
Precipitation (monthly average): 5.9 mm
Days with precipitation: 0.7
Humidity: 67%
Wind: 3 m/s
Data: 6 years / coverage 100%

Daily air temperature for the month

Day Night

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September	Day	Night	Sea t°	Wind	Precip	Humidity
1Mon	+26°C	+17°C	—	5-9 m/s, NNW	0 mm	59%
2Tue	+26°C	+18°C	—	5-10 m/s, NNW	0 mm	60%
3Wed	+27°C	+20°C	—	4-8 m/s, SSW	0 mm	63%
4Thu	+29°C	+19°C	—	6-8 m/s, N	0 mm	52%
5Fri	+26°C	+20°C	—	4-9 m/s, SE	0 mm	55%
6Sat	+24°C	+20°C	—	2-4 m/s, ESE	0 mm	77%
7Sun	+24°C	+19°C	—	3-5 m/s, WSW	0 mm	71%
8Mon	+26°C	+19°C	—	4-6 m/s, NW	0 mm	62%
9Tue	+27°C	+16°C	—	7-9 m/s, NNW	0 mm	50%
10Wed	+26°C	+19°C	—	5-8 m/s, NW	0 mm	68%
11Thu	+29°C	+19°C	—	4-5 m/s, N	0 mm	61%
12Fri	+28°C	+21°C	—	5-8 m/s, NNE	0 mm	55%
13Sat	+28°C	+21°C	—	5-8 m/s, NNW	0 mm	45%
14Sun	+27°C	+20°C	—	4-5 m/s, N	0 mm	57%
15Mon	+24°C	+20°C	—	4-9 m/s, S	0 mm	65%
16Tue	+25°C	+20°C	—	3-4 m/s, S	0 mm	57%
17Wed	+25°C	+21°C	—	2 m/s, SSE	0 mm	63%
18Thu	+25°C	+21°C	—	3-5 m/s, ESE	0 mm	65%
19Fri	+24°C	+20°C	—	2-4 m/s, E	0 mm	83%
20Sat	+24°C	+21°C	—	3-4 m/s, SE	0 mm	74%
21Sun	+26°C	+18°C	—	6-7 m/s, NNW	0 mm	47%
22Mon	+23°C	+15°C	—	5-9 m/s, N	0 mm	50%
23Tue	+23°C	+17°C	—	4-6 m/s, E	0 mm	41%
24Wed	+24°C	+18°C	—	4 m/s, E	0 mm	56%
25Thu	+23°C	+19°C	—	2-3 m/s, SE	0 mm	73%
26Fri	+22°C	+19°C	—	3-5 m/s, SSW	0 mm	72%
27Sat	+21°C	+18°C	—	3-6 m/s, SW	0 mm	61%
28Sun	+20°C	+19°C	—	8-10 m/s, WSW	0.4 mm	90%
29Mon	+22°C	+17°C	—	3-5 m/s, SSW	0 mm	72%
30Tue	+23°C	+19°C	—	3-4 m/s, ESE	0 mm	75%

Weather highs and lows in Olhao for september

Warmest day: 4 september, +29°C
Coldest night: 22 september, +15°C
Max precipitation: 28 september, 0.4 mm
Warmest water: —
Coldest water: —

Climate in Olhao in september

Year: 2025
Average daytime temperature: +25°C
Average nighttime temperature: +19°C
Water temperature: —
Precipitation (month): 0.4 mm
Days with precipitation: 0
Humidity: 63%
Wind: 4 m/s

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
1Sun	+27°C	+19°C	+23°C	3 m/s, WSW	0 mm	66%
2Mon	+28°C	+20°C	+23°C	5-8 m/s, WNW	0 mm	62%
3Tue	+26°C	+17°C	+23°C	4-5 m/s, WSW	0 mm	56%
4Wed	+24°C	+18°C	+22°C	3-5 m/s, S	0 mm	64%
5Thu	+25°C	+20°C	+22°C	3-5 m/s, SSE	0 mm	58%
6Fri	+25°C	+18°C	+22°C	3-4 m/s, NNW	0 mm	52%
7Sat	+22°C	+15°C	+22°C	3-4 m/s, W	0 mm	61%
8Sun	+25°C	+17°C	+22°C	4-6 m/s, WSW	0 mm	63%
9Mon	+24°C	+18°C	+23°C	4-6 m/s, SW	0 mm	70%
10Tue	+26°C	+18°C	+23°C	4-7 m/s, SW	0 mm	61%
11Wed	+24°C	+18°C	+22°C	3-5 m/s, S	0 mm	68%
12Thu	+25°C	+19°C	+22°C	4-6 m/s, SSW	0 mm	60%
13Fri	+26°C	+21°C	+22°C	5-8 m/s, SE	0 mm	56%
14Sat	+25°C	+20°C	+22°C	4-6 m/s, E	0 mm	79%
15Sun	+25°C	+20°C	+22°C	2-4 m/s, ESE	0 mm	74%
16Mon	+25°C	+20°C	+22°C	2-4 m/s, ESE	0 mm	67%
17Tue	+23°C	+19°C	+22°C	3-4 m/s, S	0 mm	67%
18Wed	+22°C	+19°C	+22°C	3-4 m/s, SSE	0.2 mm	82%
19Thu	+22°C	+19°C	+22°C	3-6 m/s, S	0.1 mm	82%
20Fri	+22°C	+19°C	+22°C	2-4 m/s, S	0.3 mm	74%
21Sat	+23°C	+19°C	+22°C	3-5 m/s, SSW	0.5 mm	74%
22Sun	+22°C	+18°C	+22°C	3-6 m/s, SSE	0.1 mm	65%
23Mon	+23°C	+18°C	+22°C	3-5 m/s, SSW	0 mm	58%
24Tue	+24°C	+16°C	+22°C	5-8 m/s, SW	0 mm	60%
25Wed	+23°C	+19°C	+22°C	5-7 m/s, WSW	0.2 mm	86%
26Thu	+23°C	+20°C	+22°C	6-8 m/s, WSW	0.5 mm	89%
27Fri	+24°C	+17°C	+22°C	3 m/s, NNW	0 mm	67%
28Sat	+23°C	+15°C	+22°C	4-7 m/s, ENE	0 mm	46%
29Sun	+23°C	+18°C	+22°C	2-3 m/s, ESE	0 mm	58%
30Mon	+24°C	+19°C	+22°C	2-4 m/s, SE	0 mm	54%

Weather highs and lows in Olhao for september

Warmest day: 2 september, +28°C
Coldest night: 7 september, +15°C
Max precipitation: 21 september, 0.5 mm
Warmest water: 1 september, +23°C
Coldest water: 4 september, +22°C

Climate in Olhao in september

Year: 2024
Average daytime temperature: +24°C
Average nighttime temperature: +18°C
Water temperature: —
Precipitation (month): 1.9 mm
Days with precipitation: 0
Humidity: 66%
Wind: 3 m/s

Daily air temperature for the month

Day Night

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September	Day	Night	Sea t°	Wind	Precip	Humidity
1Fri	+25°C	+21°C	—	3-5 m/s, SSW	0 mm	61%
2Sat	+23°C	+19°C	—	5-6 m/s, WSW	0 mm	70%
3Sun	+22°C	+19°C	—	4-5 m/s, ESE	5.9 mm	75%
4Mon	+22°C	+19°C	—	4-6 m/s, S	0.3 mm	81%
5Tue	+23°C	+20°C	—	3 m/s, SSE	0.1 mm	86%
6Wed	+23°C	+20°C	—	2 m/s, SSE	0 mm	76%
7Thu	+23°C	+20°C	—	2 m/s, SE	0 mm	77%
8Fri	+23°C	+20°C	—	2-4 m/s, SSE	0 mm	67%
9Sat	+23°C	+20°C	—	2-3 m/s, SSE	0.5 mm	84%
10Sun	+23°C	+20°C	—	2-4 m/s, S	0.1 mm	83%
11Mon	+23°C	+19°C	—	3-5 m/s, SW	0 mm	81%
12Tue	+23°C	+19°C	—	4-6 m/s, SW	0 mm	71%
13Wed	+25°C	+20°C	—	3-4 m/s, SSW	0 mm	66%
14Thu	+26°C	+21°C	—	2-4 m/s, ESE	0 mm	68%
15Fri	+24°C	+21°C	—	3-6 m/s, SW	0.2 mm	82%
16Sat	+22°C	+19°C	—	4-5 m/s, SSW	0.9 mm	82%
17Sun	+22°C	+19°C	—	5-7 m/s, SW	0 mm	73%
18Mon	+22°C	+19°C	—	4-5 m/s, SSW	0.2 mm	72%
19Tue	+23°C	+18°C	—	3-5 m/s, SW	0 mm	62%
20Wed	+23°C	+19°C	—	4-7 m/s, SSW	0 mm	60%
21Thu	+22°C	+18°C	—	5-7 m/s, WSW	0.8 mm	83%
22Fri	+22°C	+16°C	—	4 m/s, NNW	0 mm	64%
23Sat	+24°C	+18°C	—	4-6 m/s, E	0 mm	56%
24Sun	+25°C	+19°C	—	2-4 m/s, ESE	0 mm	53%
25Mon	+24°C	+20°C	—	2-3 m/s, SSW	0 mm	61%
26Tue	+24°C	+20°C	—	2-3 m/s, S	0 mm	66%
27Wed	+24°C	+20°C	—	2-4 m/s, SSW	0 mm	70%
28Thu	+25°C	+20°C	—	3-4 m/s, ESE	0 mm	59%
29Fri	+25°C	+20°C	—	2-4 m/s, E	0 mm	60%
30Sat	+25°C	+21°C	—	3-5 m/s, ESE	0 mm	56%

Weather highs and lows in Olhao for september

Warmest day: 14 september, +26°C
Coldest night: 22 september, +16°C
Max precipitation: 3 september, 5.9 mm
Warmest water: —
Coldest water: —

Climate in Olhao in september

Year: 2023
Average daytime temperature: +23°C
Average nighttime temperature: +20°C
Water temperature: —
Precipitation (month): 9 mm
Days with precipitation: 1
Humidity: 70%
Wind: 3 m/s

Daily air temperature for the month

Day Night

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September	Day	Night	Sea t°	Wind	Precip	Humidity
1Thu	+27°C	+19°C	—	3-5 m/s, SW	0 mm	60%
2Fri	+27°C	+19°C	—	4-6 m/s, SW	0 mm	60%
3Sat	+27°C	+18°C	—	4-6 m/s, SW	0 mm	72%
4Sun	+27°C	+17°C	—	4-6 m/s, SW	0 mm	64%
5Mon	+26°C	+18°C	—	4-6 m/s, SW	0 mm	73%
6Tue	+26°C	+18°C	—	3-6 m/s, WSW	0 mm	71%
7Wed	+27°C	+18°C	—	4-5 m/s, W	0 mm	59%
8Thu	+27°C	+19°C	—	4-6 m/s, WSW	0 mm	63%
9Fri	+29°C	+20°C	—	3-4 m/s, WSW	0 mm	72%
10Sat	+28°C	+21°C	—	3-4 m/s, SSW	0 mm	64%
11Sun	+26°C	+20°C	—	3-5 m/s, SSE	0 mm	71%
12Mon	+22°C	+21°C	—	3-5 m/s, SSE	1.2 mm	81%
13Tue	+22°C	+20°C	—	6-7 m/s, SSW	0.7 mm	90%
14Wed	+23°C	+20°C	—	5-6 m/s, SW	0.1 mm	89%
15Thu	+23°C	+20°C	—	3-4 m/s, SW	0 mm	84%
16Fri	+24°C	+20°C	—	3-5 m/s, SW	0 mm	72%
17Sat	+26°C	+21°C	—	3 m/s, S	0 mm	70%
18Sun	+26°C	+21°C	—	3-7 m/s, E	0 mm	71%
19Mon	+25°C	+21°C	—	4-6 m/s, SE	0.2 mm	83%
20Tue	+25°C	+21°C	—	2-3 m/s, SSE	0 mm	78%
21Wed	+25°C	+21°C	—	2-3 m/s, SSE	0 mm	79%
22Thu	+27°C	+21°C	—	3-4 m/s, SSE	0 mm	75%
23Fri	+25°C	+21°C	—	2-4 m/s, SE	0 mm	71%
24Sat	+27°C	+20°C	—	4-5 m/s, NW	0 mm	54%
25Sun	+26°C	+17°C	—	4-5 m/s, W	0 mm	53%
26Mon	+26°C	+17°C	—	3-4 m/s, NW	0 mm	51%
27Tue	+25°C	+18°C	—	3-4 m/s, S	0 mm	53%
28Wed	+26°C	+17°C	—	4-6 m/s, NW	0 mm	65%
29Thu	+23°C	+17°C	—	5-7 m/s, WNW	0 mm	66%
30Fri	+24°C	+16°C	—	4-5 m/s, N	0 mm	63%

Weather highs and lows in Olhao for september

Warmest day: 9 september, +29°C
Coldest night: 30 september, +16°C
Max precipitation: 12 september, 1.2 mm
Warmest water: —
Coldest water: —

Climate in Olhao in september

Year: 2022
Average daytime temperature: +26°C
Average nighttime temperature: +19°C
Water temperature: —
Precipitation (month): 2.2 mm
Days with precipitation: 1
Humidity: 69%
Wind: 4 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
1Wed	+25°C	+20°C	—	4-6 m/s, SW	0 mm	74%
2Thu	+25°C	+20°C	—	3-5 m/s, SSW	0 mm	74%
3Fri	+26°C	+20°C	—	3-4 m/s, S	0 mm	67%
4Sat	+27°C	+20°C	—	3-4 m/s, S	0 mm	60%
5Sun	+27°C	+21°C	—	3-6 m/s, ESE	0 mm	64%
6Mon	+27°C	+22°C	—	3-4 m/s, SSW	0 mm	77%
7Tue	+27°C	+21°C	—	4-6 m/s, SW	0 mm	82%
8Wed	+27°C	+20°C	—	4-6 m/s, WSW	0 mm	82%
9Thu	+27°C	+19°C	—	4-6 m/s, SW	0 mm	73%
10Fri	+26°C	+20°C	—	3-5 m/s, SW	0 mm	68%
11Sat	+27°C	+21°C	—	3-4 m/s, SW	0 mm	68%
12Sun	+26°C	+20°C	—	2 m/s, SSE	0 mm	67%
13Mon	+24°C	+22°C	—	4-5 m/s, SE	0.2 mm	78%
14Tue	+23°C	+21°C	—	5-6 m/s, SE	9 mm	83%
15Wed	+24°C	+20°C	—	3-4 m/s, SW	0 mm	77%
16Thu	+24°C	+21°C	—	3 m/s, ESE	0.3 mm	73%
17Fri	+28°C	+21°C	—	3-4 m/s, SW	0 mm	66%
18Sat	+27°C	+20°C	—	4-5 m/s, NW	0 mm	59%
19Sun	+29°C	+19°C	—	4-7 m/s, N	0 mm	53%
20Mon	+28°C	+19°C	—	3-4 m/s, NW	0 mm	55%
21Tue	+25°C	+20°C	—	4-5 m/s, E	0 mm	56%
22Wed	+25°C	+20°C	—	2-4 m/s, WSW	0.2 mm	69%
23Thu	+24°C	+19°C	—	3-4 m/s, E	10.9 mm	76%
24Fri	+24°C	+18°C	—	4-6 m/s, SW	0 mm	76%
25Sat	+24°C	+20°C	—	4-5 m/s, SW	0 mm	77%
26Sun	+26°C	+19°C	—	2-3 m/s, SW	0 mm	70%
27Mon	+28°C	+20°C	—	4 m/s, NE	0 mm	60%
28Tue	+28°C	+20°C	—	4-6 m/s, N	0 mm	64%
29Wed	+29°C	+17°C	—	4-7 m/s, NNE	0 mm	50%
30Thu	+27°C	+20°C	—	3-5 m/s, S	0 mm	50%

Weather highs and lows in Olhao for september

Warmest day: 19 september, +29°C
Coldest night: 29 september, +17°C
Max precipitation: 23 september, 10.9 mm
Warmest water: —
Coldest water: —

Climate in Olhao in september

Year: 2021
Average daytime temperature: +26°C
Average nighttime temperature: +20°C
Water temperature: —
Precipitation (month): 20.6 mm
Days with precipitation: 2
Humidity: 68%
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	+26°C	+20°C	—	3-4 m/s, SW	0 mm	48%
2Wed	+24°C	+17°C	—	3-5 m/s, SE	0 mm	65%
3Thu	+29°C	+21°C	—	4-5 m/s, E	0 mm	57%
4Fri	+28°C	+21°C	—	4 m/s, E	0 mm	60%
5Sat	+28°C	+21°C	—	2-3 m/s, E	0 mm	68%
6Sun	+27°C	+21°C	—	3-4 m/s, E	0 mm	65%
7Mon	+29°C	+22°C	—	3-5 m/s, SSE	0 mm	63%
8Tue	+26°C	+22°C	—	3-4 m/s, SE	0 mm	62%
9Wed	+27°C	+21°C	—	3 m/s, ESE	0 mm	74%
10Thu	+27°C	+21°C	—	3-4 m/s, SE	0 mm	68%
11Fri	+27°C	+22°C	—	2-3 m/s, ESE	0 mm	54%
12Sat	+26°C	+22°C	—	3-5 m/s, ESE	0 mm	73%
13Sun	+24°C	+21°C	—	5-8 m/s, SE	0 mm	78%
14Mon	+25°C	+19°C	—	3-5 m/s, WSW	0 mm	78%
15Tue	+25°C	+19°C	—	3-4 m/s, SSE	0 mm	76%
16Wed	+24°C	+19°C	—	2-4 m/s, SSW	0 mm	75%
17Thu	+23°C	+19°C	—	3-5 m/s, SSE	0.7 mm	78%
18Fri	+23°C	+20°C	—	7-10 m/s, SSW	0.4 mm	78%
19Sat	+23°C	+20°C	—	4-6 m/s, SW	0 mm	78%
20Sun	+24°C	+19°C	—	3-4 m/s, WSW	0 mm	79%
21Mon	+26°C	+20°C	—	3-4 m/s, WNW	0 mm	68%
22Tue	+25°C	+20°C	—	4-6 m/s, WSW	0 mm	67%
23Wed	+24°C	+19°C	—	3-4 m/s, WSW	0 mm	78%
24Thu	+26°C	+20°C	—	2-3 m/s, WSW	0.1 mm	79%
25Fri	+25°C	+19°C	—	4-5 m/s, SW	0 mm	55%
26Sat	+24°C	+16°C	—	4-5 m/s, SW	0 mm	48%
27Sun	+25°C	+18°C	—	5-6 m/s, SW	0 mm	60%
28Mon	+25°C	+19°C	—	4-6 m/s, E	0 mm	60%
29Tue	+26°C	+20°C	—	3-4 m/s, E	0 mm	56%
30Wed	+25°C	+19°C	—	3-4 m/s, SE	0 mm	55%

Weather highs and lows in Olhao for september

Warmest day: 3 september, +29°C
Coldest night: 26 september, +16°C
Max precipitation: 17 september, 0.7 mm
Warmest water: —
Coldest water: —

Climate in Olhao in september

Year: 2020
Average daytime temperature: +26°C
Average nighttime temperature: +20°C
Water temperature: —
Precipitation (month): 1.2 mm
Days with precipitation: 0
Humidity: 67%
Wind: 3 m/s

Weather in Olhao in september by year

Year	Day	Night	Precipitation	Days with precipitation	Water
2025	+25°C	+19°C	0.4 mm	0	—
2024	+24°C	+18°C	1.9 mm	0	—
2023	+23°C	+20°C	9 mm	1	—
2022	+26°C	+19°C	2.2 mm	1	—
2021	+26°C	+20°C	20.6 mm	2	—
2020	+26°C	+20°C	1.2 mm	0	—

Comparison september in Olhao with other months

Month	Day	Night	Days with precipitation	Sunny days
January	+16°C	+11°C	3	16
February	+17°C	+12°C	2	14
March	+17°C	+12°C	5	13
April	+20°C	+14°C	2	14
May	+23°C	+16°C	0	22
June	+25°C	+18°C	1	24
July	+28°C	+21°C	0	31
August	+28°C	+21°C	0	30
September	+25°C	+19°C	1	23
October	+23°C	+18°C	2	20
November	+19°C	+15°C	3	16
December	+17°C	+12°C	4	15