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September

Altea Weather in September with Sea Temperature

September weather in Altea includes average daytime air +27°C, nighttime +22°C, average sea temperature +25°C. Daily water temperatures usually range from +23°C to +26°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	+26°C	3 m/s	0.2 mm	62%
2Tue	+28°C	+23°C	+25°C	3 m/s	1.8 mm	66%
3Wed	+28°C	+23°C	+25°C	3 m/s	0.7 mm	68%
4Thu	+29°C	+24°C	+25°C	3 m/s	0 mm	70%
5Fri	+28°C	+24°C	+25°C	3 m/s	0 mm	70%
6Sat	+29°C	+23°C	+25°C	3 m/s	0 mm	70%
7Sun	+28°C	+23°C	+25°C	3 m/s	0.3 mm	69%
8Mon	+28°C	+23°C	+25°C	3 m/s	0.3 mm	67%
9Tue	+28°C	+23°C	+25°C	3 m/s	0.2 mm	66%
10Wed	+27°C	+23°C	+25°C	2 m/s	0 mm	69%
11Thu	+28°C	+23°C	+25°C	2 m/s	0 mm	69%
12Fri	+29°C	+23°C	+25°C	3 m/s	0.2 mm	68%
13Sat	+27°C	+23°C	+25°C	3 m/s	0.4 mm	69%
14Sun	+27°C	+24°C	+25°C	3 m/s	0.5 mm	69%
15Mon	+27°C	+23°C	+25°C	2 m/s	0.4 mm	71%
16Tue	+28°C	+22°C	+25°C	2 m/s	0 mm	71%
17Wed	+27°C	+23°C	+25°C	3 m/s	0.3 mm	71%
18Thu	+27°C	+23°C	+24°C	3 m/s	0.7 mm	70%
19Fri	+26°C	+22°C	+24°C	3 m/s	0.1 mm	71%
20Sat	+26°C	+22°C	+24°C	3 m/s	0.1 mm	70%
21Sun	+26°C	+22°C	+24°C	3 m/s	1.3 mm	69%
22Mon	+25°C	+21°C	+24°C	3 m/s	0.3 mm	68%
23Tue	+26°C	+22°C	+24°C	4 m/s	0.7 mm	66%
24Wed	+26°C	+21°C	+24°C	3 m/s	0.1 mm	64%
25Thu	+25°C	+21°C	+24°C	4 m/s	1.3 mm	62%
26Fri	+25°C	+20°C	+24°C	3 m/s	0.6 mm	63%
27Sat	+26°C	+20°C	+24°C	3 m/s	0 mm	61%
28Sun	+25°C	+20°C	+23°C	3 m/s	0 mm	59%
29Mon	+25°C	+20°C	+23°C	3 m/s	0.2 mm	63%
30Tue	+24°C	+19°C	+23°C	3 m/s	0.2 mm	65%

Sea water temperature by months

Water +25°C

Day and night air temperature

Day +27°C Night +22°C

Weather highs and lows in Altea for september

Warmest day: 4 september, +29°C
Coldest night: 30 september, +19°C
Max precipitation: 2 september, 1.8 mm
Warmest sea water: 1 september, +26°C
Coldest sea water: 28 september, +23°C

Climate in Altea in september

Average daytime temperature: +27°C
Average nighttime temperature: +22°C
Sea water temperature: —
Precipitation (monthly average): 10.9 mm
Days with precipitation: 4
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	+29°C	+24°C	—	4-5 m/s, WSW	0 mm	42%
2Tue	+27°C	+23°C	—	4-5 m/s, E	0 mm	53%
3Wed	+29°C	+22°C	—	3-5 m/s, S	0 mm	48%
4Thu	+29°C	+22°C	—	4 m/s, S	0 mm	55%
5Fri	+27°C	+24°C	—	5-8 m/s, ENE	0 mm	71%
6Sat	+27°C	+23°C	—	5-6 m/s, ENE	0 mm	77%
7Sun	+28°C	+23°C	—	2 m/s, ESE	1.3 mm	77%
8Mon	+29°C	+24°C	—	3-4 m/s, E	0.9 mm	76%
9Tue	+25°C	+23°C	—	3 m/s, NE	1.1 mm	79%
10Wed	+26°C	+23°C	—	2-5 m/s, SE	0 mm	68%
11Thu	+27°C	+24°C	—	3-4 m/s, ENE	0 mm	59%
12Fri	+27°C	+23°C	—	2-3 m/s, ESE	0 mm	70%
13Sat	+27°C	+23°C	—	2-3 m/s, ESE	0 mm	70%
14Sun	+27°C	+24°C	—	4-5 m/s, NE	0 mm	75%
15Mon	+27°C	+24°C	—	3-4 m/s, E	0 mm	79%
16Tue	+27°C	+24°C	—	3-4 m/s, ENE	0 mm	76%
17Wed	+28°C	+23°C	—	2-3 m/s, SSE	0 mm	72%
18Thu	+27°C	+22°C	—	2-3 m/s, ESE	0 mm	73%
19Fri	+27°C	+23°C	—	2-4 m/s, E	0 mm	77%
20Sat	+26°C	+23°C	—	3-4 m/s, ENE	0 mm	76%
21Sun	+27°C	+23°C	—	2-3 m/s, SSW	0 mm	75%
22Mon	+24°C	+22°C	—	6-8 m/s, NE	0 mm	67%
23Tue	+23°C	+21°C	—	4-5 m/s, NE	0.1 mm	57%
24Wed	+22°C	+20°C	—	4-5 m/s, ESE	0.1 mm	55%
25Thu	+23°C	+20°C	—	3-4 m/s, ENE	0 mm	58%
26Fri	+25°C	+19°C	—	3-5 m/s, S	0 mm	62%
27Sat	+26°C	+20°C	—	4-6 m/s, SSW	0 mm	68%
28Sun	+26°C	+22°C	—	3-5 m/s, S	0 mm	63%
29Mon	+24°C	+21°C	—	4 m/s, SE	1.3 mm	72%
30Tue	+23°C	+21°C	—	5-6 m/s, NNE	0.3 mm	73%

Weather highs and lows in Altea for september

Warmest day: 1 september, +29°C
Coldest night: 26 september, +19°C
Max precipitation: 7 september, 1.3 mm
Warmest water: —
Coldest water: —

Climate in Altea in september

Year: 2025
Average daytime temperature: +26°C
Average nighttime temperature: +22°C
Water temperature: —
Precipitation (month): 5.1 mm
Days with precipitation: 3
Humidity: 67%
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	+28°C	+24°C	+26°C	3 m/s, ENE	0 mm	76%
2Mon	+27°C	+25°C	+25°C	2-3 m/s, E	4.6 mm	76%
3Tue	+27°C	+24°C	+25°C	2-3 m/s, ESE	1.9 mm	80%
4Wed	+26°C	+22°C	+25°C	3-5 m/s, ENE	0.1 mm	82%
5Thu	+25°C	+23°C	+25°C	3-4 m/s, SE	0.2 mm	70%
6Fri	+27°C	+23°C	+25°C	2-4 m/s, SSE	0 mm	69%
7Sat	+27°C	+23°C	+25°C	2-4 m/s, ESE	0 mm	67%
8Sun	+28°C	+25°C	+25°C	3-4 m/s, SSW	0.3 mm	72%
9Mon	+27°C	+24°C	+25°C	3-4 m/s, E	0 mm	64%
10Tue	+26°C	+23°C	+25°C	2-3 m/s, SSE	0 mm	72%
11Wed	+26°C	+23°C	+25°C	2-4 m/s, ESE	0 mm	74%
12Thu	+27°C	+23°C	+25°C	4-5 m/s, SW	0 mm	66%
13Fri	+24°C	+21°C	+25°C	5-8 m/s, ENE	0 mm	61%
14Sat	+23°C	+21°C	+25°C	3 m/s, ESE	0 mm	61%
15Sun	+25°C	+20°C	+25°C	2-3 m/s, S	0 mm	58%
16Mon	+25°C	+20°C	+25°C	2-3 m/s, SE	0 mm	65%
17Tue	+23°C	+21°C	+25°C	3-5 m/s, SE	0 mm	66%
18Wed	+23°C	+22°C	+24°C	3-4 m/s, ESE	1.9 mm	68%
19Thu	+23°C	+21°C	+24°C	3-4 m/s, E	0.4 mm	70%
20Fri	+24°C	+21°C	+24°C	3-4 m/s, ESE	0.1 mm	71%
21Sat	+24°C	+22°C	+24°C	3-4 m/s, ENE	1.1 mm	74%
22Sun	+25°C	+21°C	+24°C	2-4 m/s, SSE	0.3 mm	76%
23Mon	+26°C	+23°C	+24°C	2-3 m/s, SSW	0.4 mm	62%
24Tue	+26°C	+21°C	+24°C	2-4 m/s, SSW	0 mm	61%
25Wed	+27°C	+22°C	+24°C	4-6 m/s, SW	0 mm	50%
26Thu	+28°C	+22°C	+24°C	3-5 m/s, SSW	0 mm	64%
27Fri	+26°C	+22°C	+24°C	2-3 m/s, ESE	0 mm	62%
28Sat	+22°C	+19°C	+23°C	5-8 m/s, ENE	0 mm	55%
29Sun	+23°C	+18°C	+23°C	2-3 m/s, ESE	0 mm	56%
30Mon	+23°C	+18°C	+23°C	2 m/s, ESE	0 mm	68%

Weather highs and lows in Altea for september

Warmest day: 1 september, +28°C
Coldest night: 29 september, +18°C
Max precipitation: 2 september, 4.6 mm
Warmest water: 1 september, +26°C
Coldest water: 28 september, +23°C

Climate in Altea in september

Year: 2024
Average daytime temperature: +25°C
Average nighttime temperature: +22°C
Water temperature: —
Precipitation (month): 11.3 mm
Days with precipitation: 4
Humidity: 67%
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	+27°C	+23°C	—	3-4 m/s, SSE	0 mm	64%
2Sat	+25°C	+22°C	—	2 m/s, N	1.1 mm	73%
3Sun	+27°C	+21°C	—	7-8 m/s, NE	1.7 mm	84%
4Mon	+28°C	+25°C	—	4-7 m/s, SE	0 mm	81%
5Tue	+27°C	+25°C	—	4-6 m/s, NE	0 mm	82%
6Wed	+27°C	+24°C	—	4 m/s, ENE	0.1 mm	78%
7Thu	+26°C	+23°C	—	3-4 m/s, ENE	0 mm	72%
8Fri	+26°C	+23°C	—	2-3 m/s, ESE	0 mm	70%
9Sat	+26°C	+23°C	—	2-4 m/s, E	0 mm	65%
10Sun	+26°C	+23°C	—	3-4 m/s, ENE	0 mm	70%
11Mon	+27°C	+23°C	—	2-3 m/s, S	0 mm	68%
12Tue	+26°C	+23°C	—	2-3 m/s, SE	1.4 mm	73%
13Wed	+26°C	+23°C	—	3-4 m/s, ENE	1.1 mm	77%
14Thu	+26°C	+23°C	—	4-5 m/s, NE	2.2 mm	78%
15Fri	+25°C	+23°C	—	2-3 m/s, E	2.5 mm	81%
16Sat	+26°C	+22°C	—	2-3 m/s, ENE	0 mm	81%
17Sun	+27°C	+23°C	—	3-5 m/s, S	0.3 mm	78%
18Mon	+26°C	+23°C	—	3-4 m/s, SSW	1.4 mm	68%
19Tue	+25°C	+21°C	—	2-4 m/s, SE	0.3 mm	70%
20Wed	+25°C	+21°C	—	2-4 m/s, SSE	0.1 mm	74%
21Thu	+27°C	+22°C	—	3-4 m/s, S	0 mm	60%
22Fri	+26°C	+22°C	—	2-3 m/s, WNW	0 mm	49%
23Sat	+24°C	+21°C	—	4 m/s, ENE	0 mm	56%
24Sun	+25°C	+20°C	—	2-3 m/s, SE	0 mm	57%
25Mon	+25°C	+20°C	—	2-3 m/s, ESE	0 mm	64%
26Tue	+25°C	+20°C	—	2 m/s, SSE	0 mm	70%
27Wed	+25°C	+20°C	—	2-3 m/s, SSE	0 mm	70%
28Thu	+25°C	+21°C	—	2 m/s, S	0 mm	68%
29Fri	+25°C	+21°C	—	2-3 m/s, SE	0 mm	69%
30Sat	+26°C	+20°C	—	1-3 m/s, SSE	0 mm	63%

Weather highs and lows in Altea for september

Warmest day: 4 september, +28°C
Coldest night: 24 september, +20°C
Max precipitation: 15 september, 2.5 mm
Warmest water: —
Coldest water: —

Climate in Altea in september

Year: 2023
Average daytime temperature: +26°C
Average nighttime temperature: +22°C
Water temperature: —
Precipitation (month): 12.2 mm
Days with precipitation: 7
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	+32°C	+25°C	—	2-3 m/s, ENE	0 mm	58%
2Fri	+33°C	+25°C	—	3-4 m/s, SSE	0 mm	62%
3Sat	+30°C	+26°C	—	3 m/s, NE	0 mm	61%
4Sun	+32°C	+25°C	—	2-3 m/s, ESE	0 mm	64%
5Mon	+32°C	+24°C	—	2-3 m/s, SSE	0 mm	60%
6Tue	+32°C	+25°C	—	2 m/s, E	0 mm	64%
7Wed	+32°C	+24°C	—	2 m/s, SSE	0 mm	60%
8Thu	+32°C	+25°C	—	3-4 m/s, E	0 mm	46%
9Fri	+32°C	+24°C	—	2 m/s, SSE	0 mm	56%
10Sat	+31°C	+24°C	—	3-4 m/s, ENE	0 mm	69%
11Sun	+31°C	+23°C	—	2-3 m/s, SSE	0 mm	66%
12Mon	+32°C	+24°C	—	3-4 m/s, ENE	0 mm	72%
13Tue	+29°C	+25°C	—	3-4 m/s, NE	1.4 mm	78%
14Wed	+27°C	+25°C	—	2-3 m/s, ESE	0.6 mm	67%
15Thu	+31°C	+24°C	—	2-3 m/s, S	0 mm	65%
16Fri	+29°C	+24°C	—	2-3 m/s, ESE	0 mm	59%
17Sat	+28°C	+23°C	—	3-4 m/s, E	0.4 mm	67%
18Sun	+28°C	+23°C	—	4-6 m/s, E	1.1 mm	70%
19Mon	+26°C	+23°C	—	4-5 m/s, ENE	0 mm	70%
20Tue	+29°C	+22°C	—	2-3 m/s, SE	0 mm	62%
21Wed	+27°C	+23°C	—	2-4 m/s, SSE	0.1 mm	65%
22Thu	+25°C	+21°C	—	2-3 m/s, S	0 mm	70%
23Fri	+28°C	+22°C	—	3-5 m/s, S	0 mm	74%
24Sat	+28°C	+22°C	—	3-5 m/s, SE	0 mm	67%
25Sun	+24°C	+21°C	—	5 m/s, NE	7.3 mm	74%
26Mon	+23°C	+20°C	—	4-5 m/s, NNE	3.4 mm	75%
27Tue	+27°C	+20°C	—	2-3 m/s, N	0 mm	59%
28Wed	+28°C	+20°C	—	2-3 m/s, WSW	0 mm	45%
29Thu	+27°C	+21°C	—	4 m/s, W	0 mm	43%
30Fri	+24°C	+18°C	—	3 m/s, N	0.2 mm	44%

Weather highs and lows in Altea for september

Warmest day: 2 september, +33°C
Coldest night: 30 september, +18°C
Max precipitation: 25 september, 7.3 mm
Warmest water: —
Coldest water: —

Climate in Altea in september

Year: 2022
Average daytime temperature: +29°C
Average nighttime temperature: +23°C
Water temperature: —
Precipitation (month): 14.5 mm
Days with precipitation: 4
Humidity: 63%
Wind: 3 m/s

Daily air temperature for the month

Day Night

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September	Day	Night	Sea t°	Wind	Precip	Humidity
1Wed	+29°C	+23°C	—	5-6 m/s, NNE	1.4 mm	76%
2Thu	+29°C	+22°C	—	4-6 m/s, NNE	3.7 mm	67%
3Fri	+29°C	+23°C	—	2 m/s, SE	0.3 mm	75%
4Sat	+30°C	+24°C	—	2-3 m/s, ESE	0 mm	75%
5Sun	+30°C	+23°C	—	2-3 m/s, SE	0 mm	69%
6Mon	+31°C	+23°C	—	2-3 m/s, SE	0 mm	64%
7Tue	+31°C	+24°C	—	3-5 m/s, ENE	0 mm	65%
8Wed	+30°C	+23°C	—	2-3 m/s, ENE	0 mm	74%
9Thu	+30°C	+24°C	—	2-3 m/s, ENE	0.1 mm	68%
10Fri	+30°C	+24°C	—	2-4 m/s, ENE	0 mm	69%
11Sat	+30°C	+23°C	—	2-4 m/s, SE	0.3 mm	77%
12Sun	+31°C	+23°C	—	3-4 m/s, S	0 mm	63%
13Mon	+28°C	+23°C	—	2-3 m/s, E	0 mm	64%
14Tue	+29°C	+25°C	—	4-5 m/s, NNE	0 mm	62%
15Wed	+28°C	+23°C	—	3-4 m/s, ENE	0 mm	70%
16Thu	+30°C	+22°C	—	3 m/s, SE	0.1 mm	69%
17Fri	+29°C	+23°C	—	2 m/s, SSE	0.8 mm	70%
18Sat	+30°C	+23°C	—	3-4 m/s, SSW	0 mm	66%
19Sun	+26°C	+22°C	—	4-5 m/s, ENE	0 mm	62%
20Mon	+25°C	+21°C	—	3-4 m/s, NE	0.2 mm	74%
21Tue	+22°C	+19°C	—	6-8 m/s, NNE	6.3 mm	83%
22Wed	+22°C	+19°C	—	6-7 m/s, N	1.4 mm	84%
23Thu	+24°C	+20°C	—	6-7 m/s, NNE	3.6 mm	84%
24Fri	+24°C	+22°C	—	6 m/s, N	0.7 mm	85%
25Sat	+27°C	+22°C	—	2-3 m/s, SSW	0.3 mm	76%
26Sun	+28°C	+21°C	—	2-3 m/s, S	0 mm	66%
27Mon	+29°C	+21°C	—	2-3 m/s, E	0 mm	60%
28Tue	+26°C	+21°C	—	2 m/s, ESE	0 mm	65%
29Wed	+27°C	+20°C	—	3-5 m/s, NE	0 mm	68%
30Thu	+24°C	+21°C	—	3-4 m/s, E	0.5 mm	77%

Weather highs and lows in Altea for september

Warmest day: 6 september, +31°C
Coldest night: 21 september, +19°C
Max precipitation: 21 september, 6.3 mm
Warmest water: —
Coldest water: —

Climate in Altea in september

Year: 2021
Average daytime temperature: +28°C
Average nighttime temperature: +22°C
Water temperature: —
Precipitation (month): 19.7 mm
Days with precipitation: 5
Humidity: 71%
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	+21°C	—	2-3 m/s, E	0 mm	58%
2Wed	+25°C	+21°C	—	3-4 m/s, ENE	1.1 mm	62%
3Thu	+26°C	+22°C	—	2-3 m/s, SSE	0 mm	62%
4Fri	+27°C	+23°C	—	2-4 m/s, E	0 mm	65%
5Sat	+27°C	+22°C	—	2-4 m/s, E	0 mm	69%
6Sun	+27°C	+22°C	—	2-3 m/s, ESE	0 mm	70%
7Mon	+24°C	+19°C	—	4-7 m/s, NE	0.6 mm	75%
8Tue	+25°C	+19°C	—	4-6 m/s, NE	0.4 mm	65%
9Wed	+25°C	+21°C	—	4 m/s, N	0.1 mm	62%
10Thu	+25°C	+22°C	—	2 m/s, ESE	0.1 mm	66%
11Fri	+28°C	+21°C	—	3-4 m/s, SSW	0 mm	67%
12Sat	+28°C	+22°C	—	2-3 m/s, SSE	0 mm	62%
13Sun	+28°C	+23°C	—	3-5 m/s, ENE	0 mm	65%
14Mon	+27°C	+23°C	—	3-4 m/s, ENE	0 mm	70%
15Tue	+27°C	+23°C	—	2-3 m/s, ENE	0 mm	72%
16Wed	+28°C	+22°C	—	2-3 m/s, E	0 mm	74%
17Thu	+27°C	+24°C	—	2-3 m/s, SE	0 mm	72%
18Fri	+26°C	+22°C	—	2-3 m/s, NE	0 mm	72%
19Sat	+27°C	+22°C	—	2-4 m/s, ESE	0.1 mm	76%
20Sun	+28°C	+23°C	—	3-4 m/s, SW	0 mm	60%
21Mon	+27°C	+23°C	—	2-3 m/s, SSW	0.1 mm	58%
22Tue	+27°C	+22°C	—	2-3 m/s, SE	0 mm	62%
23Wed	+28°C	+22°C	—	3 m/s, SSW	0 mm	61%
24Thu	+29°C	+23°C	—	3-4 m/s, SW	0 mm	59%
25Fri	+25°C	+20°C	—	5-6 m/s, NW	0 mm	50%
26Sat	+23°C	+17°C	—	3-4 m/s, WSW	0 mm	41%
27Sun	+23°C	+18°C	—	5-6 m/s, SSE	0 mm	48%
28Mon	+23°C	+18°C	—	3-4 m/s, SSE	0 mm	56%
29Tue	+23°C	+18°C	—	2-3 m/s, ENE	0 mm	68%
30Wed	+24°C	+18°C	—	2-4 m/s, SE	0 mm	66%

Weather highs and lows in Altea for september

Warmest day: 24 september, +29°C
Coldest night: 26 september, +17°C
Max precipitation: 2 september, 1.1 mm
Warmest water: —
Coldest water: —

Climate in Altea in september

Year: 2020
Average daytime temperature: +26°C
Average nighttime temperature: +21°C
Water temperature: —
Precipitation (month): 2.5 mm
Days with precipitation: 1
Humidity: 64%
Wind: 3 m/s

Weather in Altea in september by year

Year	Day	Night	Precipitation	Days with precipitation	Water
2025	+26°C	+22°C	5.1 mm	3	—
2024	+25°C	+22°C	11.3 mm	4	—
2023	+26°C	+22°C	12.2 mm	7	—
2022	+29°C	+23°C	14.5 mm	4	—
2021	+28°C	+22°C	19.7 mm	5	—
2020	+26°C	+21°C	2.5 mm	1	—

Comparison september in Altea with other months

Month	Day	Night	Days with precipitation	Sunny days
January	+15°C	+10°C	2	19
February	+16°C	+11°C	1	17
March	+16°C	+12°C	7	14
April	+18°C	+13°C	3	14
May	+22°C	+17°C	3	19
June	+27°C	+21°C	1	23
July	+30°C	+24°C	1	27
August	+30°C	+24°C	1	25
September	+27°C	+22°C	4	17
October	+23°C	+19°C	2	19
November	+19°C	+15°C	1	18
December	+16°C	+12°C	2	19