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September

San Paolo Weather in September with Sea Temperature

September weather in San Paolo includes average daytime air +27°C, nighttime +22°C, average sea temperature +26°C. Daily water temperatures usually range from +24°C to +28°C, which is comfortable for swimming and 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	+28°C	+23°C	+28°C	3 m/s	0.6 mm	57%
2Tue	+28°C	+24°C	+27°C	3 m/s	0.1 mm	56%
3Wed	+28°C	+23°C	+28°C	4 m/s	0 mm	57%
4Thu	+28°C	+23°C	+28°C	5 m/s	0.1 mm	59%
5Fri	+28°C	+23°C	+27°C	4 m/s	1 mm	58%
6Sat	+29°C	+24°C	+27°C	3 m/s	0 mm	56%
7Sun	+29°C	+24°C	+27°C	3 m/s	0 mm	57%
8Mon	+29°C	+24°C	+27°C	3 m/s	0 mm	57%
9Tue	+29°C	+24°C	+27°C	3 m/s	0 mm	57%
10Wed	+29°C	+24°C	+26°C	4 m/s	0.4 mm	58%
11Thu	+28°C	+24°C	+26°C	4 m/s	0 mm	56%
12Fri	+28°C	+23°C	+26°C	3 m/s	0 mm	56%
13Sat	+28°C	+23°C	+26°C	4 m/s	0.2 mm	54%
14Sun	+28°C	+23°C	+26°C	4 m/s	0 mm	51%
15Mon	+28°C	+23°C	+26°C	3 m/s	0.1 mm	56%
16Tue	+28°C	+23°C	+27°C	3 m/s	0 mm	56%
17Wed	+27°C	+23°C	+26°C	4 m/s	0.1 mm	58%
18Thu	+26°C	+22°C	+25°C	5 m/s	0.2 mm	60%
19Fri	+27°C	+22°C	+24°C	3 m/s	0 mm	56%
20Sat	+26°C	+22°C	+24°C	3 m/s	0 mm	60%
21Sun	+27°C	+22°C	+24°C	3 m/s	0 mm	55%
22Mon	+26°C	+22°C	+24°C	4 m/s	0 mm	55%
23Tue	+26°C	+21°C	+24°C	3 m/s	0.4 mm	55%
24Wed	+27°C	+20°C	+24°C	3 m/s	0.3 mm	55%
25Thu	+26°C	+20°C	+24°C	4 m/s	0.7 mm	54%
26Fri	+25°C	+20°C	+24°C	3 m/s	1.6 mm	57%
27Sat	+27°C	+21°C	+24°C	4 m/s	0.1 mm	57%
28Sun	+26°C	+21°C	+24°C	4 m/s	0.4 mm	58%
29Mon	+24°C	+20°C	+24°C	5 m/s	0.1 mm	59%
30Tue	+24°C	+20°C	+24°C	4 m/s	0 mm	60%

Sea water temperature by months

Water +26°C

Day and night air temperature

Day +27°C Night +22°C

Weather highs and lows in San Paolo for september

Warmest day: 10 september, +29°C
Coldest night: 30 september, +20°C
Max precipitation: 26 september, 1.6 mm
Warmest sea water: 1 september, +28°C
Coldest sea water: 19 september, +24°C

Climate in San Paolo in september

Average daytime temperature: +27°C
Average nighttime temperature: +22°C
Sea water temperature: —
Precipitation (monthly average): 6.5 mm
Days with precipitation: 1.7
Humidity: 57%
Wind: 4 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	+28°C	+23°C	—	2-5 m/s, ENE	0 mm	56%
2Tue	+30°C	+24°C	—	3 m/s, ENE	0.1 mm	54%
3Wed	+27°C	+24°C	—	6-7 m/s, NNW	0 mm	55%
4Thu	+27°C	+22°C	—	5 m/s, NNW	0 mm	62%
5Fri	+28°C	+23°C	—	2-3 m/s, NNE	0 mm	53%
6Sat	+28°C	+24°C	—	4-6 m/s, NNW	0 mm	54%
7Sun	+27°C	+23°C	—	4 m/s, N	0 mm	61%
8Mon	+27°C	+23°C	—	2-3 m/s, NE	0 mm	55%
9Tue	+29°C	+24°C	—	3-5 m/s, E	0 mm	55%
10Wed	+32°C	+25°C	—	4-5 m/s, SE	0 mm	64%
11Thu	+29°C	+25°C	—	2-3 m/s, N	0.2 mm	60%
12Fri	+27°C	+23°C	—	3-4 m/s, N	0 mm	59%
13Sat	+27°C	+24°C	—	3 m/s, N	0 mm	59%
14Sun	+28°C	+24°C	—	2-3 m/s, NE	0 mm	54%
15Mon	+27°C	+24°C	—	3-4 m/s, N	0 mm	63%
16Tue	+28°C	+24°C	—	2-3 m/s, NNE	0 mm	53%
17Wed	+26°C	+23°C	—	4-6 m/s, N	0 mm	63%
18Thu	+25°C	+22°C	—	6-8 m/s, N	0 mm	61%
19Fri	+26°C	+22°C	—	4-5 m/s, NNW	0 mm	54%
20Sat	+27°C	+23°C	—	2-3 m/s, NNE	0 mm	61%
21Sun	+29°C	+24°C	—	3-5 m/s, E	0 mm	48%
22Mon	+29°C	+24°C	—	3-5 m/s, ESE	0 mm	49%
23Tue	+28°C	+23°C	—	2-3 m/s, NE	0 mm	58%
24Wed	+28°C	+24°C	—	2 m/s, ENE	0.6 mm	62%
25Thu	+25°C	+22°C	—	5-6 m/s, NNW	0 mm	59%
26Fri	+23°C	+21°C	—	2-3 m/s, NNW	0 mm	59%
27Sat	+24°C	+21°C	—	2-3 m/s, NNE	0.1 mm	58%
28Sun	+23°C	+20°C	—	3-4 m/s, N	1.3 mm	61%
29Mon	+23°C	+19°C	—	5-6 m/s, NNW	0.5 mm	62%
30Tue	+23°C	+19°C	—	3 m/s, N	0 mm	58%

Weather highs and lows in San Paolo for september

Warmest day: 10 september, +32°C
Coldest night: 29 september, +19°C
Max precipitation: 28 september, 1.3 mm
Warmest water: —
Coldest water: —

Climate in San Paolo in september

Year: 2025
Average daytime temperature: +27°C
Average nighttime temperature: +23°C
Water temperature: —
Precipitation (month): 2.8 mm
Days with precipitation: 1
Humidity: 58%
Wind: 3 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	+31°C	+27°C	+28°C	3-4 m/s, NNE	0 mm	46%
2Mon	+31°C	+27°C	+27°C	3 m/s, NNE	0 mm	44%
3Tue	+30°C	+26°C	+28°C	3 m/s, NE	0 mm	59%
4Wed	+29°C	+25°C	+28°C	2-4 m/s, NE	0.1 mm	58%
5Thu	+31°C	+24°C	+27°C	4-7 m/s, ESE	5.3 mm	64%
6Fri	+30°C	+27°C	+27°C	3-4 m/s, NNW	0 mm	61%
7Sat	+29°C	+26°C	+27°C	2-4 m/s, NNE	0 mm	63%
8Sun	+31°C	+27°C	+27°C	2-4 m/s, ENE	0 mm	53%
9Mon	+29°C	+26°C	+27°C	5-7 m/s, SSW	0.2 mm	60%
10Tue	+26°C	+23°C	+26°C	6-7 m/s, NNW	2.2 mm	62%
11Wed	+26°C	+23°C	+26°C	5-7 m/s, NNW	0 mm	53%
12Thu	+30°C	+24°C	+26°C	2-3 m/s, ENE	0 mm	50%
13Fri	+26°C	+19°C	+26°C	6-9 m/s, WSW	1.2 mm	51%
14Sat	+21°C	+18°C	+26°C	8-9 m/s, NW	0.2 mm	56%
15Sun	+21°C	+19°C	+26°C	6-7 m/s, NW	0.1 mm	56%
16Mon	+22°C	+19°C	+27°C	4-5 m/s, NNW	0 mm	56%
17Tue	+21°C	+19°C	+26°C	4-6 m/s, ESE	0.2 mm	62%
18Wed	+23°C	+18°C	+25°C	3-4 m/s, NNE	0.7 mm	71%
19Thu	+25°C	+20°C	+24°C	2-3 m/s, NNE	0.1 mm	61%
20Fri	+23°C	+20°C	+24°C	4 m/s, N	0 mm	70%
21Sat	+24°C	+20°C	+24°C	3-4 m/s, N	0 mm	67%
22Sun	+24°C	+20°C	+24°C	3 m/s, NNE	0 mm	66%
23Mon	+25°C	+22°C	+24°C	3-4 m/s, ESE	0.1 mm	59%
24Tue	+28°C	+22°C	+24°C	3-4 m/s, SSE	0.1 mm	61%
25Wed	+26°C	+22°C	+24°C	2-4 m/s, NE	0 mm	48%
26Thu	+27°C	+22°C	+24°C	2-4 m/s, E	0 mm	56%
27Fri	+29°C	+23°C	+24°C	2-3 m/s, SE	0 mm	53%
28Sat	+29°C	+23°C	+24°C	3-6 m/s, SSW	1.2 mm	53%
29Sun	+22°C	+18°C	+24°C	9-11 m/s, NW	0.1 mm	54%
30Mon	+20°C	+18°C	+24°C	8 m/s, NNW	0 mm	54%

Weather highs and lows in San Paolo for september

Warmest day: 1 september, +31°C
Coldest night: 14 september, +18°C
Max precipitation: 5 september, 5.3 mm
Warmest water: 1 september, +28°C
Coldest water: 19 september, +24°C

Climate in San Paolo in september

Year: 2024
Average daytime temperature: +26°C
Average nighttime temperature: +22°C
Water temperature: —
Precipitation (month): 11.8 mm
Days with precipitation: 4
Humidity: 58%
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	+27°C	+23°C	—	2-4 m/s, NNE	0.1 mm	58%
2Sat	+27°C	+24°C	—	2-4 m/s, N	0 mm	54%
3Sun	+28°C	+23°C	—	5-6 m/s, NNW	0 mm	56%
4Mon	+26°C	+24°C	—	9-10 m/s, N	0 mm	58%
5Tue	+26°C	+23°C	—	6-9 m/s, NNE	0 mm	53%
6Wed	+27°C	+25°C	—	5-6 m/s, NNE	0 mm	55%
7Thu	+27°C	+24°C	—	4 m/s, NNE	0 mm	60%
8Fri	+27°C	+23°C	—	4-5 m/s, N	0 mm	63%
9Sat	+28°C	+24°C	—	3-4 m/s, NE	0 mm	56%
10Sun	+27°C	+23°C	—	3-4 m/s, N	0 mm	54%
11Mon	+28°C	+24°C	—	3 m/s, NNE	0 mm	49%
12Tue	+30°C	+24°C	—	2-4 m/s, ENE	0 mm	46%
13Wed	+29°C	+25°C	—	2-3 m/s, ENE	0 mm	44%
14Thu	+28°C	+25°C	—	2-3 m/s, NNW	0 mm	50%
15Fri	+28°C	+24°C	—	2-3 m/s, NNE	0.7 mm	60%
16Sat	+27°C	+23°C	—	2-3 m/s, NNE	0 mm	66%
17Sun	+28°C	+24°C	—	2-3 m/s, NE	0 mm	58%
18Mon	+29°C	+25°C	—	2-3 m/s, NE	0 mm	56%
19Tue	+32°C	+26°C	—	2-3 m/s, NNE	0 mm	47%
20Wed	+28°C	+25°C	—	3 m/s, NNE	0 mm	58%
21Thu	+31°C	+25°C	—	4-6 m/s, SSE	0 mm	50%
22Fri	+33°C	+26°C	—	4-5 m/s, SE	0 mm	52%
23Sat	+30°C	+20°C	—	3-4 m/s, ENE	2.2 mm	60%
24Sun	+23°C	+19°C	—	5-6 m/s, WNW	1.3 mm	64%
25Mon	+21°C	+18°C	—	6-7 m/s, N	0.4 mm	68%
26Tue	+24°C	+21°C	—	6-7 m/s, NNW	0.1 mm	70%
27Wed	+25°C	+21°C	—	5-6 m/s, NNW	0 mm	67%
28Thu	+25°C	+21°C	—	3 m/s, N	0 mm	60%
29Fri	+25°C	+21°C	—	3 m/s, N	0 mm	65%
30Sat	+25°C	+21°C	—	4-5 m/s, NNW	0 mm	60%

Weather highs and lows in San Paolo for september

Warmest day: 22 september, +33°C
Coldest night: 25 september, +18°C
Max precipitation: 23 september, 2.2 mm
Warmest water: —
Coldest water: —

Climate in San Paolo in september

Year: 2023
Average daytime temperature: +27°C
Average nighttime temperature: +23°C
Water temperature: —
Precipitation (month): 4.8 mm
Days with precipitation: 2
Humidity: 57%
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	+29°C	+22°C	—	2-3 m/s, NNE	3.1 mm	60%
2Fri	+27°C	+22°C	—	4-5 m/s, N	0.4 mm	69%
3Sat	+28°C	+21°C	—	3-5 m/s, NE	0 mm	66%
4Sun	+28°C	+23°C	—	3-4 m/s, NW	0 mm	65%
5Mon	+28°C	+23°C	—	4-5 m/s, N	0.1 mm	68%
6Tue	+29°C	+23°C	—	2-3 m/s, NNE	0 mm	58%
7Wed	+32°C	+23°C	—	2-4 m/s, ENE	0 mm	49%
8Thu	+33°C	+25°C	—	2-4 m/s, ESE	0 mm	52%
9Fri	+33°C	+25°C	—	2-4 m/s, E	0 mm	57%
10Sat	+31°C	+26°C	—	4-6 m/s, NNE	0.1 mm	59%
11Sun	+28°C	+24°C	—	5-6 m/s, NNW	0 mm	56%
12Mon	+28°C	+22°C	—	5-6 m/s, NNW	0 mm	58%
13Tue	+28°C	+22°C	—	3-4 m/s, N	0 mm	47%
14Wed	+33°C	+21°C	—	3-4 m/s, SE	0 mm	41%
15Thu	+33°C	+25°C	—	3-5 m/s, NE	0 mm	53%
16Fri	+30°C	+26°C	—	5-7 m/s, W	0 mm	54%
17Sat	+31°C	+21°C	—	6-8 m/s, SW	0.1 mm	53%
18Sun	+24°C	+18°C	—	7-8 m/s, NNW	0.1 mm	55%
19Mon	+25°C	+17°C	—	3-4 m/s, ENE	0 mm	46%
20Tue	+24°C	+20°C	—	3-4 m/s, NE	0.1 mm	54%
21Wed	+23°C	+19°C	—	4 m/s, N	0 mm	43%
22Thu	+21°C	+18°C	—	5-6 m/s, N	0 mm	46%
23Fri	+22°C	+17°C	—	4-6 m/s, NNW	0 mm	50%
24Sat	+26°C	+15°C	—	3-6 m/s, SE	0 mm	45%
25Sun	+27°C	+19°C	—	4-5 m/s, S	4 mm	49%
26Mon	+23°C	+20°C	—	3-4 m/s, SE	9.5 mm	61%
27Tue	+28°C	+20°C	—	5-7 m/s, WSW	0 mm	56%
28Wed	+27°C	+20°C	—	5-6 m/s, SSW	0 mm	52%
29Thu	+25°C	+21°C	—	4-5 m/s, SSW	0 mm	57%
30Fri	+29°C	+21°C	—	4-7 m/s, SSE	0 mm	60%

Weather highs and lows in San Paolo for september

Warmest day: 8 september, +33°C
Coldest night: 24 september, +15°C
Max precipitation: 26 september, 9.5 mm
Warmest water: —
Coldest water: —

Climate in San Paolo in september

Year: 2022
Average daytime temperature: +28°C
Average nighttime temperature: +21°C
Water temperature: —
Precipitation (month): 17.5 mm
Days with precipitation: 3
Humidity: 55%
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	+28°C	+22°C	—	4-6 m/s, N	0.2 mm	56%
2Thu	+27°C	+23°C	—	5 m/s, N	0 mm	57%
3Fri	+28°C	+21°C	—	3-5 m/s, N	0 mm	50%
4Sat	+29°C	+22°C	—	2-3 m/s, ENE	0.2 mm	52%
5Sun	+27°C	+22°C	—	3-5 m/s, N	0.4 mm	59%
6Mon	+28°C	+23°C	—	4-5 m/s, N	0 mm	59%
7Tue	+28°C	+22°C	—	3-4 m/s, N	0.1 mm	55%
8Wed	+27°C	+21°C	—	3-5 m/s, NNE	0 mm	52%
9Thu	+26°C	+22°C	—	2-3 m/s, NNE	0 mm	52%
10Fri	+30°C	+20°C	—	3-5 m/s, ENE	0 mm	50%
11Sat	+28°C	+22°C	—	3-4 m/s, E	0 mm	58%
12Sun	+27°C	+22°C	—	3-4 m/s, N	0 mm	58%
13Mon	+29°C	+22°C	—	2-3 m/s, N	0 mm	56%
14Tue	+30°C	+23°C	—	2-3 m/s, N	0 mm	49%
15Wed	+29°C	+23°C	—	2 m/s, NNE	0 mm	42%
16Thu	+33°C	+23°C	—	1-3 m/s, E	0 mm	44%
17Fri	+31°C	+26°C	—	3-4 m/s, NW	0 mm	45%
18Sat	+30°C	+24°C	—	3-4 m/s, ENE	0.3 mm	56%
19Sun	+30°C	+23°C	—	2-3 m/s, NNE	0 mm	60%
20Mon	+30°C	+23°C	—	4-6 m/s, NNW	0 mm	52%
21Tue	+25°C	+21°C	—	4-6 m/s, N	0 mm	59%
22Wed	+24°C	+21°C	—	6-8 m/s, NNW	0 mm	64%
23Thu	+24°C	+19°C	—	5-6 m/s, N	0 mm	50%
24Fri	+27°C	+18°C	—	2-4 m/s, E	0 mm	44%
25Sat	+28°C	+19°C	—	2-4 m/s, ENE	0 mm	48%
26Sun	+31°C	+20°C	—	2-4 m/s, ENE	0 mm	50%
27Mon	+31°C	+23°C	—	2-3 m/s, ENE	0.3 mm	55%
28Tue	+26°C	+22°C	—	4 m/s, NNW	0 mm	68%
29Wed	+27°C	+22°C	—	2-3 m/s, NE	0 mm	60%
30Thu	+24°C	+21°C	—	2-3 m/s, NE	0 mm	67%

Weather highs and lows in San Paolo for september

Warmest day: 16 september, +33°C
Coldest night: 24 september, +18°C
Max precipitation: 5 september, 0.4 mm
Warmest water: —
Coldest water: —

Climate in San Paolo in september

Year: 2021
Average daytime temperature: +28°C
Average nighttime temperature: +22°C
Water temperature: —
Precipitation (month): 1.5 mm
Days with precipitation: 0
Humidity: 54%
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	+25°C	+23°C	—	5-6 m/s, SE	0 mm	66%
2Wed	+25°C	+22°C	—	3 m/s, ESE	0 mm	58%
3Thu	+26°C	+22°C	—	3 m/s, SE	0.1 mm	58%
4Fri	+26°C	+23°C	—	6-7 m/s, NNW	0 mm	57%
5Sat	+26°C	+22°C	—	4-5 m/s, ESE	0 mm	52%
6Sun	+29°C	+23°C	—	2-4 m/s, ENE	0 mm	48%
7Mon	+28°C	+23°C	—	3 m/s, SE	0 mm	54%
8Tue	+27°C	+24°C	—	4-5 m/s, ESE	0 mm	68%
9Wed	+28°C	+24°C	—	4-5 m/s, ESE	0 mm	62%
10Thu	+28°C	+24°C	—	3-4 m/s, NNW	0 mm	56%
11Fri	+27°C	+24°C	—	4-5 m/s, ESE	0 mm	60%
12Sat	+27°C	+24°C	—	3-4 m/s, ESE	0 mm	64%
13Sun	+27°C	+25°C	—	5-6 m/s, NNW	0 mm	64%
14Mon	+28°C	+25°C	—	4 m/s, ESE	0 mm	56%
15Tue	+27°C	+24°C	—	3-4 m/s, ESE	0 mm	59%
16Wed	+27°C	+24°C	—	3-4 m/s, N	0 mm	62%
17Thu	+27°C	+23°C	—	4-5 m/s, NNW	0 mm	64%
18Fri	+27°C	+24°C	—	7-8 m/s, NNW	0 mm	61%
19Sat	+25°C	+23°C	—	4-5 m/s, NNW	0 mm	66%
20Sun	+26°C	+21°C	—	2 m/s, SE	0 mm	63%
21Mon	+27°C	+22°C	—	2-3 m/s, NE	0.3 mm	62%
22Tue	+27°C	+23°C	—	2-3 m/s, NE	0 mm	52%
23Wed	+28°C	+23°C	—	2-4 m/s, SSE	0.1 mm	52%
24Thu	+27°C	+23°C	—	4-5 m/s, NNW	0 mm	53%
25Fri	+29°C	+22°C	—	5-7 m/s, SW	0 mm	52%
26Sat	+21°C	+18°C	—	5-7 m/s, WSW	0.2 mm	47%
27Sun	+23°C	+18°C	—	6-9 m/s, S	0 mm	50%
28Mon	+24°C	+19°C	—	5-6 m/s, SW	0 mm	52%
29Tue	+22°C	+18°C	—	4-5 m/s, NW	0 mm	56%
30Wed	+21°C	+17°C	—	3 m/s, NNW	0 mm	58%

Weather highs and lows in San Paolo for september

Warmest day: 6 september, +29°C
Coldest night: 30 september, +17°C
Max precipitation: 21 september, 0.3 mm
Warmest water: —
Coldest water: —

Climate in San Paolo in september

Year: 2020
Average daytime temperature: +26°C
Average nighttime temperature: +22°C
Water temperature: —
Precipitation (month): 0.7 mm
Days with precipitation: 0
Humidity: 58%
Wind: 4 m/s

Weather in San Paolo in september by year

Year	Day	Night	Precipitation	Days with precipitation	Water
2025	+27°C	+23°C	2.8 mm	1	—
2024	+26°C	+22°C	11.8 mm	4	—
2023	+27°C	+23°C	4.8 mm	2	—
2022	+28°C	+21°C	17.5 mm	3	—
2021	+28°C	+22°C	1.5 mm	0	—
2020	+26°C	+22°C	0.7 mm	0	—

Comparison september in San Paolo with other months

Month	Day	Night	Days with precipitation	Sunny days
January	+13°C	+9°C	4	13
February	+14°C	+9°C	2	13
March	+15°C	+10°C	5	14
April	+18°C	+12°C	3	14
May	+23°C	+17°C	2	18
June	+28°C	+22°C	2	23
July	+31°C	+25°C	1	28
August	+31°C	+25°C	1	26
September	+27°C	+22°C	2	20
October	+22°C	+18°C	3	19
November	+18°C	+14°C	4	11
December	+14°C	+11°C	3	11