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September

Denia Weather in September with Sea Temperature

September weather in Denia includes average daytime air +26°C, nighttime +22°C, average sea temperature +25°C. Daily water temperatures usually range from +24°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	+24°C	+26°C	4 m/s	0.2 mm	63%
2Tue	+27°C	+23°C	+26°C	3 m/s	0.6 mm	68%
3Wed	+27°C	+23°C	+26°C	4 m/s	0.9 mm	69%
4Thu	+28°C	+24°C	+26°C	3 m/s	0 mm	72%
5Fri	+27°C	+23°C	+26°C	3 m/s	0.1 mm	72%
6Sat	+28°C	+24°C	+26°C	3 m/s	0 mm	71%
7Sun	+27°C	+23°C	+26°C	3 m/s	0.6 mm	71%
8Mon	+28°C	+23°C	+26°C	3 m/s	0.5 mm	68%
9Tue	+27°C	+23°C	+25°C	4 m/s	0.7 mm	68%
10Wed	+27°C	+23°C	+26°C	3 m/s	0 mm	70%
11Thu	+27°C	+23°C	+25°C	3 m/s	0 mm	70%
12Fri	+27°C	+23°C	+25°C	3 m/s	0.1 mm	70%
13Sat	+27°C	+23°C	+25°C	4 m/s	0.4 mm	70%
14Sun	+26°C	+23°C	+25°C	3 m/s	1.3 mm	70%
15Mon	+26°C	+23°C	+25°C	3 m/s	0.4 mm	71%
16Tue	+27°C	+23°C	+25°C	3 m/s	0.1 mm	71%
17Wed	+26°C	+23°C	+25°C	4 m/s	0 mm	72%
18Thu	+26°C	+23°C	+25°C	3 m/s	0.5 mm	70%
19Fri	+25°C	+22°C	+25°C	3 m/s	0.2 mm	69%
20Sat	+26°C	+22°C	+25°C	3 m/s	0 mm	70%
21Sun	+25°C	+22°C	+25°C	4 m/s	1 mm	69%
22Mon	+24°C	+21°C	+25°C	4 m/s	0.7 mm	69%
23Tue	+25°C	+22°C	+25°C	4 m/s	0.6 mm	65%
24Wed	+25°C	+22°C	+25°C	4 m/s	0.1 mm	65%
25Thu	+25°C	+21°C	+24°C	4 m/s	1.3 mm	62%
26Fri	+24°C	+21°C	+24°C	4 m/s	0.8 mm	63%
27Sat	+25°C	+21°C	+24°C	4 m/s	0 mm	61%
28Sun	+25°C	+20°C	+24°C	4 m/s	0 mm	59%
29Mon	+24°C	+20°C	+24°C	3 m/s	0.6 mm	64%
30Tue	+23°C	+20°C	+24°C	3 m/s	0.5 mm	66%

Sea water temperature by months

Water +25°C

Day and night air temperature

Day +26°C Night +22°C

Weather highs and lows in Denia for september

Warmest day: 6 september, +28°C
Coldest night: 30 september, +20°C
Max precipitation: 14 september, 1.3 mm
Warmest sea water: 1 september, +26°C
Coldest sea water: 25 september, +24°C

Climate in Denia in september

Average daytime temperature: +26°C
Average nighttime temperature: +22°C
Sea water temperature: —
Precipitation (monthly average): 12 mm
Days with precipitation: 3.5
Humidity: 68%
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	+24°C	—	5-8 m/s, NW	0 mm	44%
2Tue	+26°C	+23°C	—	3-7 m/s, ENE	0 mm	58%
3Wed	+28°C	+22°C	—	5-8 m/s, SE	0 mm	56%
4Thu	+28°C	+23°C	—	4-7 m/s, SSE	0 mm	58%
5Fri	+26°C	+24°C	—	4-6 m/s, E	0.1 mm	72%
6Sat	+26°C	+23°C	—	4 m/s, ENE	0 mm	76%
7Sun	+27°C	+23°C	—	2-3 m/s, NE	1.2 mm	78%
8Mon	+28°C	+23°C	—	3-5 m/s, NNE	2.2 mm	78%
9Tue	+25°C	+21°C	—	3-4 m/s, NNE	2.8 mm	84%
10Wed	+25°C	+22°C	—	4-8 m/s, ENE	0.1 mm	74%
11Thu	+27°C	+24°C	—	4-6 m/s, NE	0 mm	61%
12Fri	+26°C	+23°C	—	3-6 m/s, ESE	0 mm	74%
13Sat	+27°C	+23°C	—	3-5 m/s, ESE	0 mm	72%
14Sun	+27°C	+24°C	—	3-5 m/s, NNE	0 mm	78%
15Mon	+26°C	+23°C	—	3-5 m/s, E	0 mm	79%
16Tue	+26°C	+23°C	—	2-4 m/s, NE	0 mm	78%
17Wed	+27°C	+23°C	—	3-5 m/s, SE	0 mm	75%
18Thu	+27°C	+23°C	—	3-4 m/s, ESE	0 mm	76%
19Fri	+26°C	+23°C	—	2-4 m/s, ENE	0 mm	78%
20Sat	+26°C	+23°C	—	2-3 m/s, NE	0 mm	76%
21Sun	+27°C	+22°C	—	2-3 m/s, SSE	0.1 mm	75%
22Mon	+24°C	+21°C	—	5-7 m/s, NE	0 mm	65%
23Tue	+22°C	+21°C	—	4-5 m/s, NNE	0 mm	55%
24Wed	+22°C	+20°C	—	5-6 m/s, ESE	0 mm	54%
25Thu	+23°C	+20°C	—	3-6 m/s, ENE	0 mm	57%
26Fri	+24°C	+20°C	—	4-8 m/s, SSE	0 mm	62%
27Sat	+25°C	+20°C	—	4-8 m/s, S	0 mm	68%
28Sun	+25°C	+22°C	—	3-6 m/s, SSE	0 mm	68%
29Mon	+24°C	+21°C	—	4-5 m/s, ESE	2.8 mm	72%
30Tue	+22°C	+21°C	—	4 m/s, NNE	1.5 mm	75%

Weather highs and lows in Denia for september

Warmest day: 1 september, +28°C
Coldest night: 24 september, +20°C
Max precipitation: 29 september, 2.8 mm
Warmest water: —
Coldest water: —

Climate in Denia in september

Year: 2025
Average daytime temperature: +26°C
Average nighttime temperature: +22°C
Water temperature: —
Precipitation (month): 10.8 mm
Days with precipitation: 5
Humidity: 69%
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	+27°C	+24°C	+26°C	3-4 m/s, N	0 mm	76%
2Mon	+27°C	+24°C	+26°C	3 m/s, NE	0.1 mm	76%
3Tue	+27°C	+24°C	+26°C	2-3 m/s, E	4 mm	78%
4Wed	+25°C	+22°C	+26°C	3-5 m/s, NNW	0 mm	81%
5Thu	+25°C	+22°C	+26°C	3-6 m/s, SE	0 mm	68%
6Fri	+27°C	+23°C	+26°C	4-6 m/s, SE	0 mm	70%
7Sat	+27°C	+23°C	+26°C	4-5 m/s, E	0 mm	69%
8Sun	+27°C	+25°C	+26°C	4-6 m/s, SE	0.8 mm	71%
9Mon	+26°C	+24°C	+25°C	5-7 m/s, E	0 mm	64%
10Tue	+26°C	+23°C	+26°C	3-5 m/s, E	0 mm	72%
11Wed	+25°C	+22°C	+25°C	3-6 m/s, ESE	0 mm	76%
12Thu	+26°C	+23°C	+25°C	3-5 m/s, SSW	0.1 mm	66%
13Fri	+23°C	+21°C	+25°C	6-7 m/s, ENE	0 mm	58%
14Sat	+23°C	+21°C	+25°C	3-4 m/s, SE	0 mm	58%
15Sun	+25°C	+20°C	+25°C	4-6 m/s, SSE	0 mm	60%
16Mon	+24°C	+21°C	+25°C	3-5 m/s, ESE	0 mm	66%
17Tue	+23°C	+21°C	+25°C	4-7 m/s, SE	0 mm	64%
18Wed	+23°C	+21°C	+25°C	3-4 m/s, ESE	0.1 mm	68%
19Thu	+23°C	+21°C	+25°C	3-4 m/s, ESE	0.1 mm	68%
20Fri	+24°C	+21°C	+25°C	3-4 m/s, SE	0.1 mm	70%
21Sat	+24°C	+22°C	+25°C	3-4 m/s, E	1 mm	74%
22Sun	+24°C	+21°C	+25°C	3-4 m/s, ESE	0 mm	78%
23Mon	+26°C	+23°C	+25°C	3-4 m/s, NNE	0.2 mm	60%
24Tue	+26°C	+21°C	+25°C	3-4 m/s, S	0 mm	62%
25Wed	+27°C	+23°C	+24°C	5-6 m/s, WSW	0 mm	50%
26Thu	+27°C	+23°C	+24°C	4-5 m/s, S	0 mm	62%
27Fri	+27°C	+22°C	+24°C	4-5 m/s, WNW	0 mm	57%
28Sat	+21°C	+20°C	+24°C	6-9 m/s, ENE	0 mm	52%
29Sun	+22°C	+18°C	+24°C	3-5 m/s, SE	0 mm	56%
30Mon	+23°C	+19°C	+24°C	3-5 m/s, SE	0 mm	68%

Weather highs and lows in Denia for september

Warmest day: 1 september, +27°C
Coldest night: 29 september, +18°C
Max precipitation: 3 september, 4 mm
Warmest water: 1 september, +26°C
Coldest water: 25 september, +24°C

Climate in Denia in september

Year: 2024
Average daytime temperature: +25°C
Average nighttime temperature: +22°C
Water temperature: —
Precipitation (month): 6.5 mm
Days with precipitation: 2
Humidity: 67%
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	+24°C	—	6-8 m/s, SSE	0 mm	64%
2Sat	+25°C	+22°C	—	2-4 m/s, E	0.3 mm	76%
3Sun	+27°C	+20°C	—	6-8 m/s, ENE	1.2 mm	84%
4Mon	+28°C	+25°C	—	4-7 m/s, SE	0 mm	82%
5Tue	+26°C	+25°C	—	4-5 m/s, NNE	0.2 mm	85%
6Wed	+26°C	+24°C	—	4 m/s, NE	0 mm	76%
7Thu	+26°C	+23°C	—	2-3 m/s, NNE	0.3 mm	71%
8Fri	+26°C	+23°C	—	2-3 m/s, ESE	0 mm	70%
9Sat	+26°C	+23°C	—	2-3 m/s, ENE	0 mm	65%
10Sun	+26°C	+23°C	—	2 m/s, ENE	0 mm	70%
11Mon	+26°C	+23°C	—	3-6 m/s, SE	0 mm	70%
12Tue	+26°C	+23°C	—	3 m/s, SSE	0.3 mm	74%
13Wed	+26°C	+23°C	—	3-4 m/s, NE	0.8 mm	77%
14Thu	+26°C	+23°C	—	4-6 m/s, NNE	7.6 mm	77%
15Fri	+24°C	+22°C	—	2-3 m/s, SE	2.2 mm	80%
16Sat	+25°C	+22°C	—	3 m/s, NE	0.1 mm	82%
17Sun	+26°C	+23°C	—	4-5 m/s, SE	0 mm	80%
18Mon	+26°C	+23°C	—	2-3 m/s, SSE	0 mm	67%
19Tue	+25°C	+21°C	—	3-4 m/s, ESE	1 mm	64%
20Wed	+24°C	+21°C	—	3-5 m/s, ESE	0 mm	74%
21Thu	+26°C	+23°C	—	3-5 m/s, SSW	0 mm	60%
22Fri	+25°C	+22°C	—	5-7 m/s, NW	0 mm	52%
23Sat	+23°C	+21°C	—	4-5 m/s, ENE	0 mm	54%
24Sun	+24°C	+21°C	—	3-5 m/s, SE	0 mm	58%
25Mon	+24°C	+21°C	—	3-4 m/s, ESE	0 mm	65%
26Tue	+24°C	+21°C	—	3-5 m/s, SE	0 mm	71%
27Wed	+24°C	+21°C	—	3-5 m/s, SSE	0 mm	70%
28Thu	+25°C	+21°C	—	3-4 m/s, SSE	0 mm	68%
29Fri	+25°C	+22°C	—	3 m/s, SE	0 mm	69%
30Sat	+26°C	+21°C	—	2-4 m/s, SSE	0 mm	64%

Weather highs and lows in Denia for september

Warmest day: 4 september, +28°C
Coldest night: 3 september, +20°C
Max precipitation: 14 september, 7.6 mm
Warmest water: —
Coldest water: —

Climate in Denia in september

Year: 2023
Average daytime temperature: +25°C
Average nighttime temperature: +22°C
Water temperature: —
Precipitation (month): 14 mm
Days with precipitation: 4
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
1Thu	+30°C	+26°C	—	3-4 m/s, NNE	0 mm	60%
2Fri	+32°C	+26°C	—	3-7 m/s, SE	0 mm	62%
3Sat	+28°C	+26°C	—	4-5 m/s, NW	0 mm	60%
4Sun	+29°C	+25°C	—	4-5 m/s, E	0 mm	66%
5Mon	+31°C	+24°C	—	2-4 m/s, E	0 mm	64%
6Tue	+31°C	+25°C	—	2-4 m/s, ENE	0 mm	66%
7Wed	+31°C	+25°C	—	2-4 m/s, SE	0 mm	62%
8Thu	+31°C	+25°C	—	4 m/s, NNE	0 mm	48%
9Fri	+31°C	+24°C	—	3-4 m/s, SE	0 mm	57%
10Sat	+30°C	+25°C	—	3-4 m/s, NE	0 mm	70%
11Sun	+30°C	+24°C	—	4-6 m/s, SSE	0 mm	69%
12Mon	+30°C	+24°C	—	3 m/s, E	0 mm	77%
13Tue	+28°C	+25°C	—	5-6 m/s, NE	1.5 mm	81%
14Wed	+27°C	+24°C	—	3-4 m/s, NW	0.3 mm	68%
15Thu	+30°C	+24°C	—	4-5 m/s, NNW	0 mm	63%
16Fri	+28°C	+24°C	—	3 m/s, NNE	0 mm	57%
17Sat	+27°C	+24°C	—	4-7 m/s, ENE	0 mm	65%
18Sun	+25°C	+23°C	—	4-5 m/s, ESE	2.8 mm	67%
19Mon	+25°C	+23°C	—	4 m/s, NE	0 mm	67%
20Tue	+28°C	+23°C	—	3-5 m/s, SE	0 mm	62%
21Wed	+27°C	+23°C	—	3-5 m/s, SSE	0 mm	66%
22Thu	+25°C	+22°C	—	3 m/s, SE	0 mm	70%
23Fri	+25°C	+22°C	—	4-6 m/s, SSE	0 mm	74%
24Sat	+26°C	+23°C	—	4-6 m/s, N	0 mm	69%
25Sun	+23°C	+21°C	—	5-6 m/s, NE	8.1 mm	74%
26Mon	+21°C	+20°C	—	5-6 m/s, NNW	4.8 mm	76%
27Tue	+26°C	+21°C	—	3-4 m/s, NNW	0 mm	59%
28Wed	+28°C	+20°C	—	3-4 m/s, WNW	0 mm	46%
29Thu	+25°C	+21°C	—	4-6 m/s, NW	0 mm	46%
30Fri	+22°C	+20°C	—	4-5 m/s, NNW	0 mm	48%

Weather highs and lows in Denia for september

Warmest day: 2 september, +32°C
Coldest night: 26 september, +20°C
Max precipitation: 25 september, 8.1 mm
Warmest water: —
Coldest water: —

Climate in Denia in september

Year: 2022
Average daytime temperature: +28°C
Average nighttime temperature: +23°C
Water temperature: —
Precipitation (month): 17.5 mm
Days with precipitation: 4
Humidity: 64%
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	+23°C	—	5-6 m/s, NNE	0.9 mm	77%
2Thu	+27°C	+22°C	—	5-7 m/s, NNW	3.3 mm	73%
3Fri	+27°C	+23°C	—	2-3 m/s, ESE	0.1 mm	74%
4Sat	+29°C	+24°C	—	2-4 m/s, ESE	0.1 mm	77%
5Sun	+29°C	+23°C	—	3-5 m/s, SE	0 mm	72%
6Mon	+30°C	+24°C	—	3-5 m/s, SE	0 mm	68%
7Tue	+29°C	+24°C	—	3-4 m/s, ESE	0 mm	70%
8Wed	+29°C	+24°C	—	3-4 m/s, N	0 mm	77%
9Thu	+29°C	+24°C	—	3-4 m/s, NNE	0.6 mm	72%
10Fri	+29°C	+24°C	—	3-4 m/s, NNE	0 mm	70%
11Sat	+28°C	+23°C	—	3-6 m/s, ESE	0 mm	78%
12Sun	+30°C	+23°C	—	4-6 m/s, SSE	0 mm	66%
13Mon	+28°C	+23°C	—	3-4 m/s, ESE	0 mm	66%
14Tue	+27°C	+25°C	—	3-4 m/s, N	0 mm	64%
15Wed	+27°C	+23°C	—	3-4 m/s, NNE	0 mm	68%
16Thu	+29°C	+23°C	—	3-5 m/s, ENE	0.2 mm	67%
17Fri	+28°C	+23°C	—	3-5 m/s, NE	0 mm	71%
18Sat	+29°C	+23°C	—	4-7 m/s, SSE	0 mm	68%
19Sun	+25°C	+22°C	—	5-7 m/s, NE	0 mm	60%
20Mon	+24°C	+20°C	—	3-4 m/s, N	0 mm	78%
21Tue	+22°C	+19°C	—	6-7 m/s, NNE	4.8 mm	81%
22Wed	+22°C	+19°C	—	6-8 m/s, N	4.3 mm	85%
23Thu	+24°C	+20°C	—	6-9 m/s, NE	3.4 mm	83%
24Fri	+23°C	+22°C	—	6-7 m/s, NNW	0.7 mm	87%
25Sat	+27°C	+22°C	—	3-4 m/s, SSE	0 mm	77%
26Sun	+27°C	+22°C	—	3 m/s, WSW	0 mm	64%
27Mon	+27°C	+22°C	—	2-3 m/s, NNE	0 mm	59%
28Tue	+26°C	+21°C	—	2-4 m/s, ESE	0 mm	68%
29Wed	+24°C	+21°C	—	3-5 m/s, NE	0.6 mm	72%
30Thu	+23°C	+21°C	—	2-3 m/s, E	1.2 mm	76%

Weather highs and lows in Denia for september

Warmest day: 6 september, +30°C
Coldest night: 21 september, +19°C
Max precipitation: 21 september, 4.8 mm
Warmest water: —
Coldest water: —

Climate in Denia in september

Year: 2021
Average daytime temperature: +27°C
Average nighttime temperature: +22°C
Water temperature: —
Precipitation (month): 20.2 mm
Days with precipitation: 5
Humidity: 72%
Wind: 4 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	—	3-5 m/s, ESE	0 mm	58%
2Wed	+25°C	+22°C	—	3-4 m/s, NE	0 mm	61%
3Thu	+26°C	+22°C	—	4-5 m/s, SSE	0 mm	64%
4Fri	+26°C	+22°C	—	3-4 m/s, ESE	0 mm	65%
5Sat	+26°C	+22°C	—	2-3 m/s, ENE	0 mm	70%
6Sun	+26°C	+22°C	—	3-4 m/s, E	0 mm	71%
7Mon	+23°C	+19°C	—	4-7 m/s, NE	2.1 mm	74%
8Tue	+24°C	+20°C	—	4-5 m/s, SE	0.2 mm	62%
9Wed	+24°C	+21°C	—	5-7 m/s, ESE	0.8 mm	66%
10Thu	+24°C	+21°C	—	2 m/s, NE	0 mm	66%
11Fri	+28°C	+21°C	—	3-6 m/s, SSE	0 mm	68%
12Sat	+26°C	+22°C	—	3-4 m/s, SSE	0 mm	64%
13Sun	+27°C	+23°C	—	2-3 m/s, SSE	0 mm	67%
14Mon	+26°C	+23°C	—	2-3 m/s, ENE	0 mm	73%
15Tue	+26°C	+23°C	—	3-5 m/s, S	0 mm	74%
16Wed	+27°C	+22°C	—	2-4 m/s, E	0 mm	76%
17Thu	+27°C	+24°C	—	3-5 m/s, SE	0.2 mm	75%
18Fri	+26°C	+22°C	—	3-5 m/s, NE	0 mm	73%
19Sat	+27°C	+21°C	—	3-4 m/s, SE	0 mm	76%
20Sun	+27°C	+22°C	—	4-6 m/s, SW	0 mm	60%
21Mon	+26°C	+24°C	—	4 m/s, SE	0 mm	58%
22Tue	+26°C	+22°C	—	3-5 m/s, ENE	0 mm	62%
23Wed	+27°C	+23°C	—	4-5 m/s, SSW	0 mm	61%
24Thu	+28°C	+24°C	—	3-4 m/s, SW	0 mm	57%
25Fri	+25°C	+21°C	—	6-8 m/s, NW	0 mm	50%
26Sat	+22°C	+17°C	—	6-7 m/s, NNW	0 mm	43%
27Sun	+22°C	+19°C	—	6-8 m/s, SE	0 mm	50%
28Mon	+22°C	+17°C	—	4-6 m/s, SE	0 mm	54%
29Tue	+23°C	+18°C	—	2-4 m/s, S	0 mm	70%
30Wed	+23°C	+18°C	—	3-6 m/s, SE	0 mm	67%

Weather highs and lows in Denia for september

Warmest day: 11 september, +28°C
Coldest night: 26 september, +17°C
Max precipitation: 7 september, 2.1 mm
Warmest water: —
Coldest water: —

Climate in Denia in september

Year: 2020
Average daytime temperature: +25°C
Average nighttime temperature: +21°C
Water temperature: —
Precipitation (month): 3.3 mm
Days with precipitation: 1
Humidity: 65%
Wind: 3 m/s

Weather in Denia in september by year

Year	Day	Night	Precipitation	Days with precipitation	Water
2025	+26°C	+22°C	10.8 mm	5	—
2024	+25°C	+22°C	6.5 mm	2	—
2023	+25°C	+22°C	14 mm	4	—
2022	+28°C	+23°C	17.5 mm	4	—
2021	+27°C	+22°C	20.2 mm	5	—
2020	+25°C	+21°C	3.3 mm	1	—

Comparison september in Denia with other months

Month	Day	Night	Days with precipitation	Sunny days
January	+15°C	+10°C	2	19
February	+16°C	+11°C	1	16
March	+16°C	+12°C	6	13
April	+18°C	+14°C	3	15
May	+21°C	+17°C	2	19
June	+26°C	+21°C	1	24
July	+28°C	+24°C	0	25
August	+29°C	+24°C	0	25
September	+26°C	+22°C	3	18
October	+23°C	+19°C	3	19
November	+19°C	+15°C	2	18
December	+16°C	+12°C	3	18