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September

Pornic Weather in September with Sea Temperature

September weather in Pornic includes average daytime air +22°C, nighttime +14°C, average sea temperature +22°C. Daily water temperatures usually range from +19°C to +24°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	+22°C	+15°C	+24°C	5 m/s	1.5 mm	77%
2Tue	+23°C	+15°C	+23°C	5 m/s	0.5 mm	75%
3Wed	+23°C	+16°C	+22°C	5 m/s	1.1 mm	75%
4Thu	+24°C	+16°C	+22°C	4 m/s	0.5 mm	69%
5Fri	+24°C	+16°C	+22°C	3 m/s	0.1 mm	68%
6Sat	+25°C	+15°C	+22°C	4 m/s	0.4 mm	66%
7Sun	+24°C	+16°C	+23°C	4 m/s	0.4 mm	71%
8Mon	+23°C	+16°C	+23°C	4 m/s	1 mm	74%
9Tue	+23°C	+16°C	+23°C	5 m/s	0.3 mm	73%
10Wed	+22°C	+16°C	+21°C	4 m/s	0.2 mm	79%
11Thu	+23°C	+15°C	+21°C	4 m/s	0.1 mm	75%
12Fri	+23°C	+14°C	+20°C	4 m/s	0.1 mm	67%
13Sat	+24°C	+15°C	+21°C	4 m/s	0.2 mm	68%
14Sun	+24°C	+15°C	+21°C	4 m/s	0.1 mm	72%
15Mon	+23°C	+15°C	+21°C	4 m/s	0.1 mm	70%
16Tue	+23°C	+14°C	+19°C	4 m/s	0.1 mm	69%
17Wed	+23°C	+15°C	+20°C	5 m/s	0.2 mm	71%
18Thu	+23°C	+14°C	+20°C	5 m/s	0.3 mm	67%
19Fri	+23°C	+15°C	+21°C	4 m/s	0.5 mm	69%
20Sat	+22°C	+14°C	+22°C	5 m/s	0.2 mm	73%
21Sun	+21°C	+14°C	+21°C	4 m/s	0.7 mm	78%
22Mon	+21°C	+13°C	+22°C	4 m/s	0.3 mm	70%
23Tue	+19°C	+12°C	+22°C	4 m/s	0.5 mm	67%
24Wed	+20°C	+12°C	+20°C	5 m/s	0.1 mm	73%
25Thu	+19°C	+12°C	+22°C	5 m/s	0.8 mm	73%
26Fri	+18°C	+12°C	+22°C	5 m/s	0.2 mm	76%
27Sat	+18°C	+12°C	+21°C	5 m/s	0.4 mm	70%
28Sun	+19°C	+11°C	+21°C	4 m/s	0.1 mm	73%
29Mon	+19°C	+12°C	+21°C	4 m/s	0.1 mm	75%
30Tue	+19°C	+11°C	+21°C	5 m/s	0.4 mm	75%

Sea water temperature by months

Water +22°C

Day and night air temperature

Day +22°C Night +14°C

Weather highs and lows in Pornic for september

Warmest day: 6 september, +25°C
Coldest night: 28 september, +11°C
Max precipitation: 1 september, 1.5 mm
Warmest sea water: 1 september, +24°C
Coldest sea water: 16 september, +19°C

Climate in Pornic in september

Average daytime temperature: +22°C
Average nighttime temperature: +14°C
Sea water temperature: —
Precipitation (monthly average): 11.2 mm
Days with precipitation: 3.3
Humidity: 72%
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	+19°C	+15°C	—	6-8 m/s, W	1.1 mm	79%
2Tue	+21°C	+15°C	—	8-10 m/s, WSW	0.3 mm	82%
3Wed	+20°C	+17°C	—	9-12 m/s, SW	6.6 mm	86%
4Thu	+19°C	+15°C	—	8-10 m/s, W	2.7 mm	77%
5Fri	+20°C	+13°C	—	3-4 m/s, SW	0 mm	74%
6Sat	+28°C	+14°C	—	5-6 m/s, ESE	0 mm	57%
7Sun	+22°C	+16°C	—	5-7 m/s, SSW	0 mm	77%
8Mon	+20°C	+14°C	—	4-5 m/s, W	0 mm	70%
9Tue	+20°C	+13°C	—	4-6 m/s, SSW	0 mm	72%
10Wed	+18°C	+16°C	—	7-9 m/s, SSW	0.3 mm	83%
11Thu	+19°C	+15°C	—	7-8 m/s, WSW	0.4 mm	75%
12Fri	+19°C	+13°C	—	6 m/s, W	0.1 mm	69%
13Sat	+19°C	+15°C	—	7-8 m/s, WSW	1.1 mm	78%
14Sun	+20°C	+16°C	—	6-9 m/s, WSW	0.2 mm	90%
15Mon	+19°C	+15°C	—	9-10 m/s, W	0.2 mm	75%
16Tue	+19°C	+14°C	—	5-6 m/s, W	0.1 mm	72%
17Wed	+21°C	+15°C	—	4-5 m/s, SW	0 mm	73%
18Thu	+24°C	+14°C	—	2 m/s, S	0 mm	68%
19Fri	+25°C	+16°C	—	3-5 m/s, S	0 mm	62%
20Sat	+22°C	+14°C	—	5-7 m/s, SSW	0.2 mm	80%
21Sun	+18°C	+12°C	—	2-3 m/s, SW	0.1 mm	74%
22Mon	+18°C	+12°C	—	7-9 m/s, NE	0.6 mm	70%
23Tue	+17°C	+8°C	—	6-7 m/s, NNE	0 mm	62%
24Wed	+20°C	+10°C	—	5-6 m/s, NNE	0 mm	66%
25Thu	+19°C	+8°C	—	3-4 m/s, NE	0 mm	60%
26Fri	+16°C	+7°C	—	3-4 m/s, NE	0 mm	64%
27Sat	+18°C	+12°C	—	2 m/s, SSE	0 mm	62%
28Sun	+21°C	+12°C	—	2 m/s, ENE	0 mm	63%
29Mon	+22°C	+11°C	—	4-5 m/s, NE	0 mm	72%
30Tue	+22°C	+11°C	—	4 m/s, NE	0 mm	70%

Weather highs and lows in Pornic for september

Warmest day: 6 september, +28°C
Coldest night: 26 september, +7°C
Max precipitation: 3 september, 6.6 mm
Warmest water: —
Coldest water: —

Climate in Pornic in september

Year: 2025
Average daytime temperature: +20°C
Average nighttime temperature: +13°C
Water temperature: —
Precipitation (month): 14 mm
Days with precipitation: 4
Humidity: 72%
Wind: 5 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	+20°C	+18°C	+24°C	3 m/s, WSW	7.1 mm	92%
2Mon	+20°C	+14°C	+23°C	4-5 m/s, W	2 mm	86%
3Tue	+21°C	+15°C	+22°C	4-6 m/s, NW	0 mm	79%
4Wed	+20°C	+12°C	+22°C	3-5 m/s, W	0.4 mm	75%
5Thu	+18°C	+13°C	+22°C	3-5 m/s, WSW	0.2 mm	67%
6Fri	+17°C	+12°C	+22°C	3-4 m/s, SSE	1.1 mm	75%
7Sat	+17°C	+13°C	+23°C	2-3 m/s, NNW	1.5 mm	88%
8Sun	+17°C	+15°C	+23°C	6-8 m/s, WSW	0.9 mm	91%
9Mon	+20°C	+11°C	+23°C	5-6 m/s, WNW	0.1 mm	79%
10Tue	+18°C	+11°C	+21°C	5-7 m/s, W	0.1 mm	84%
11Wed	+17°C	+11°C	+21°C	5-7 m/s, WNW	0.4 mm	77%
12Thu	+17°C	+9°C	+20°C	4-5 m/s, NW	0 mm	59%
13Fri	+18°C	+8°C	+21°C	4 m/s, NE	0 mm	66%
14Sat	+19°C	+9°C	+21°C	3-4 m/s, ENE	0 mm	64%
15Sun	+21°C	+9°C	+21°C	3 m/s, ENE	0 mm	56%
16Mon	+22°C	+10°C	+19°C	4-6 m/s, NE	0 mm	63%
17Tue	+23°C	+12°C	+20°C	6-7 m/s, NE	0 mm	74%
18Wed	+24°C	+14°C	+20°C	6-7 m/s, ENE	0 mm	68%
19Thu	+24°C	+15°C	+21°C	5-7 m/s, ENE	0 mm	58%
20Fri	+24°C	+13°C	+22°C	3-4 m/s, E	0 mm	64%
21Sat	+19°C	+14°C	+21°C	3-4 m/s, SE	0.5 mm	89%
22Sun	+19°C	+15°C	+22°C	3-5 m/s, WSW	0 mm	86%
23Mon	+17°C	+13°C	+22°C	4-8 m/s, WNW	0.8 mm	85%
24Tue	+19°C	+14°C	+20°C	4-5 m/s, WSW	0.2 mm	79%
25Wed	+16°C	+14°C	+22°C	5-6 m/s, SSW	4.3 mm	92%
26Thu	+18°C	+14°C	+22°C	8-10 m/s, WSW	0.2 mm	84%
27Fri	+15°C	+10°C	+21°C	8-9 m/s, SW	1.2 mm	76%
28Sat	+16°C	+8°C	+21°C	3-5 m/s, NW	0 mm	68%
29Sun	+16°C	+10°C	+21°C	5-9 m/s, SE	0.1 mm	78%
30Mon	+16°C	+14°C	+21°C	9-11 m/s, W	0.3 mm	83%

Weather highs and lows in Pornic for september

Warmest day: 18 september, +24°C
Coldest night: 13 september, +8°C
Max precipitation: 1 september, 7.1 mm
Warmest water: 1 september, +24°C
Coldest water: 16 september, +19°C

Climate in Pornic in september

Year: 2024
Average daytime temperature: +19°C
Average nighttime temperature: +12°C
Water temperature: —
Precipitation (month): 21.4 mm
Days with precipitation: 6
Humidity: 76%
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	+21°C	+15°C	—	5-6 m/s, SW	0.5 mm	91%
2Sat	+26°C	+15°C	—	2-4 m/s, ENE	0 mm	75%
3Sun	+30°C	+17°C	—	4-6 m/s, E	0 mm	67%
4Mon	+33°C	+20°C	—	6 m/s, E	0 mm	46%
5Tue	+28°C	+19°C	—	3-4 m/s, SW	0 mm	54%
6Wed	+31°C	+19°C	—	3 m/s, SSE	0 mm	58%
7Thu	+28°C	+20°C	—	2-3 m/s, SW	0 mm	54%
8Fri	+29°C	+20°C	—	1-3 m/s, NNE	0 mm	54%
9Sat	+30°C	+20°C	—	3-4 m/s, SW	0 mm	56%
10Sun	+24°C	+19°C	—	3-4 m/s, SSW	0 mm	69%
11Mon	+26°C	+17°C	—	3-4 m/s, WNW	0 mm	76%
12Tue	+24°C	+16°C	—	3-5 m/s, NW	0.3 mm	78%
13Wed	+24°C	+16°C	—	3 m/s, ENE	0 mm	79%
14Thu	+24°C	+13°C	—	3-4 m/s, NE	0 mm	74%
15Fri	+26°C	+16°C	—	3 m/s, SSE	0 mm	58%
16Sat	+25°C	+18°C	—	3 m/s, ESE	0.6 mm	72%
17Sun	+24°C	+18°C	—	4 m/s, SSE	1.2 mm	78%
18Mon	+22°C	+16°C	—	5-6 m/s, WSW	0.8 mm	76%
19Tue	+21°C	+16°C	—	6-8 m/s, WSW	0 mm	71%
20Wed	+21°C	+18°C	—	9-11 m/s, SW	1 mm	79%
21Thu	+18°C	+15°C	—	6-8 m/s, WSW	2.6 mm	81%
22Fri	+18°C	+11°C	—	5-6 m/s, WNW	0.8 mm	71%
23Sat	+17°C	+10°C	—	3 m/s, WSW	0 mm	74%
24Sun	+20°C	+12°C	—	5-6 m/s, SSE	0 mm	70%
25Mon	+22°C	+16°C	—	3-4 m/s, SW	0.1 mm	82%
26Tue	+22°C	+16°C	—	3-4 m/s, WSW	0 mm	83%
27Wed	+22°C	+15°C	—	4-6 m/s, S	0.7 mm	77%
28Thu	+21°C	+14°C	—	3-5 m/s, S	0 mm	80%
29Fri	+21°C	+14°C	—	5-8 m/s, WNW	0.1 mm	75%
30Sat	+21°C	+12°C	—	2-3 m/s, S	0 mm	72%

Weather highs and lows in Pornic for september

Warmest day: 4 september, +33°C
Coldest night: 23 september, +10°C
Max precipitation: 21 september, 2.6 mm
Warmest water: —
Coldest water: —

Climate in Pornic in september

Year: 2023
Average daytime temperature: +24°C
Average nighttime temperature: +16°C
Water temperature: —
Precipitation (month): 8.7 mm
Days with precipitation: 3
Humidity: 71%
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	+24°C	+17°C	—	3-5 m/s, ESE	0.2 mm	75%
2Fri	+23°C	+17°C	—	3-4 m/s, WSW	0.5 mm	82%
3Sat	+22°C	+16°C	—	4-6 m/s, SW	0 mm	82%
4Sun	+24°C	+17°C	—	4-5 m/s, SSW	0 mm	72%
5Mon	+26°C	+17°C	—	3-6 m/s, SW	0.1 mm	76%
6Tue	+22°C	+17°C	—	5-6 m/s, SSW	1.2 mm	79%
7Wed	+21°C	+17°C	—	6-7 m/s, SW	0.8 mm	83%
8Thu	+21°C	+17°C	—	6-8 m/s, WSW	2.5 mm	77%
9Fri	+21°C	+16°C	—	7-8 m/s, W	0.2 mm	74%
10Sat	+22°C	+15°C	—	3-4 m/s, SW	0 mm	78%
11Sun	+28°C	+16°C	—	3-4 m/s, ESE	0 mm	68%
12Mon	+28°C	+17°C	—	4-5 m/s, SSE	0 mm	58%
13Tue	+26°C	+19°C	—	3-5 m/s, SSE	0 mm	80%
14Wed	+25°C	+17°C	—	4-5 m/s, SW	0 mm	76%
15Thu	+23°C	+14°C	—	3-4 m/s, NNE	0 mm	80%
16Fri	+21°C	+13°C	—	5-6 m/s, N	0 mm	70%
17Sat	+20°C	+10°C	—	4 m/s, NNE	0 mm	52%
18Sun	+21°C	+9°C	—	4-5 m/s, NE	0 mm	58%
19Mon	+22°C	+10°C	—	4-5 m/s, ENE	0 mm	62%
20Tue	+23°C	+10°C	—	4-5 m/s, ENE	0 mm	57%
21Wed	+23°C	+11°C	—	4 m/s, ENE	0 mm	68%
22Thu	+23°C	+11°C	—	3-4 m/s, ENE	0 mm	47%
23Fri	+20°C	+12°C	—	3-4 m/s, ENE	0.1 mm	42%
24Sat	+20°C	+11°C	—	3-4 m/s, NNW	0 mm	72%
25Sun	+18°C	+11°C	—	5-7 m/s, NE	0 mm	77%
26Mon	+17°C	+10°C	—	6-9 m/s, W	0.2 mm	73%
27Tue	+19°C	+11°C	—	6-8 m/s, W	0 mm	64%
28Wed	+17°C	+11°C	—	7-9 m/s, NW	0.5 mm	78%
29Thu	+18°C	+10°C	—	4-5 m/s, NW	0.1 mm	68%
30Fri	+18°C	+8°C	—	4-5 m/s, W	0 mm	75%

Weather highs and lows in Pornic for september

Warmest day: 11 september, +28°C
Coldest night: 30 september, +8°C
Max precipitation: 8 september, 2.5 mm
Warmest water: —
Coldest water: —

Climate in Pornic in september

Year: 2022
Average daytime temperature: +22°C
Average nighttime temperature: +14°C
Water temperature: —
Precipitation (month): 6.4 mm
Days with precipitation: 2
Humidity: 70%
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	+27°C	+14°C	—	7-8 m/s, ENE	0 mm	57%
2Thu	+28°C	+14°C	—	7-8 m/s, ENE	0 mm	54%
3Fri	+26°C	+16°C	—	4-5 m/s, SSE	0 mm	58%
4Sat	+25°C	+17°C	—	3 m/s, SW	0 mm	72%
5Sun	+29°C	+17°C	—	2-4 m/s, SSW	0 mm	65%
6Mon	+32°C	+18°C	—	4-5 m/s, E	0 mm	51%
7Tue	+33°C	+20°C	—	6-7 m/s, E	0 mm	45%
8Wed	+25°C	+18°C	—	3-4 m/s, W	2.3 mm	81%
9Thu	+23°C	+18°C	—	5-6 m/s, SW	1.4 mm	84%
10Fri	+23°C	+17°C	—	4-6 m/s, WSW	0.7 mm	81%
11Sat	+23°C	+15°C	—	2-3 m/s, WSW	0 mm	77%
12Sun	+25°C	+14°C	—	3 m/s, SE	0 mm	68%
13Mon	+29°C	+16°C	—	3-4 m/s, ESE	0 mm	48%
14Tue	+25°C	+17°C	—	4-5 m/s, SSE	0.6 mm	71%
15Wed	+25°C	+16°C	—	4 m/s, NNE	0.2 mm	73%
16Thu	+23°C	+14°C	—	3-4 m/s, N	0.1 mm	69%
17Fri	+21°C	+14°C	—	4-5 m/s, SW	0.2 mm	79%
18Sat	+21°C	+15°C	—	4-6 m/s, W	0.9 mm	76%
19Sun	+20°C	+14°C	—	4-5 m/s, W	2.1 mm	76%
20Mon	+19°C	+12°C	—	5-6 m/s, N	0 mm	82%
21Tue	+23°C	+13°C	—	5 m/s, NE	0 mm	66%
22Wed	+24°C	+11°C	—	4 m/s, ENE	0 mm	60%
23Thu	+23°C	+12°C	—	3-4 m/s, NNE	0 mm	59%
24Fri	+24°C	+13°C	—	3 m/s, NE	0 mm	76%
25Sat	+21°C	+14°C	—	3-4 m/s, SE	0 mm	66%
26Sun	+21°C	+16°C	—	5 m/s, SW	0.6 mm	88%
27Mon	+20°C	+14°C	—	6-8 m/s, W	0.3 mm	72%
28Tue	+19°C	+13°C	—	4-5 m/s, SW	0.1 mm	72%
29Wed	+19°C	+12°C	—	5-8 m/s, NW	0.2 mm	69%
30Thu	+18°C	+9°C	—	4-6 m/s, SSW	0 mm	64%

Weather highs and lows in Pornic for september

Warmest day: 7 september, +33°C
Coldest night: 30 september, +9°C
Max precipitation: 8 september, 2.3 mm
Warmest water: —
Coldest water: —

Climate in Pornic in september

Year: 2021
Average daytime temperature: +24°C
Average nighttime temperature: +15°C
Water temperature: —
Precipitation (month): 9.7 mm
Days with precipitation: 3
Humidity: 69%
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	+21°C	+12°C	—	3-4 m/s, WSW	0 mm	67%
2Wed	+21°C	+12°C	—	3-5 m/s, SSW	0 mm	72%
3Thu	+21°C	+15°C	—	3-4 m/s, SW	0 mm	76%
4Fri	+24°C	+15°C	—	2-5 m/s, S	0 mm	71%
5Sat	+20°C	+14°C	—	4-5 m/s, NNW	0 mm	71%
6Sun	+19°C	+11°C	—	3-5 m/s, NW	0 mm	74%
7Mon	+21°C	+11°C	—	3-4 m/s, SW	0 mm	76%
8Tue	+24°C	+14°C	—	3 m/s, NNE	0 mm	69%
9Wed	+26°C	+15°C	—	3-4 m/s, WSW	0 mm	71%
10Thu	+24°C	+16°C	—	4 m/s, WSW	0 mm	78%
11Fri	+24°C	+14°C	—	3-4 m/s, S	0 mm	79%
12Sat	+24°C	+12°C	—	3-4 m/s, SW	0 mm	71%
13Sun	+29°C	+13°C	—	3-4 m/s, ESE	0 mm	58%
14Mon	+28°C	+18°C	—	4-5 m/s, SSE	0 mm	54%
15Tue	+26°C	+18°C	—	2-3 m/s, W	0 mm	76%
16Wed	+28°C	+16°C	—	4-5 m/s, NNE	0 mm	66%
17Thu	+29°C	+18°C	—	5-6 m/s, ENE	0 mm	69%
18Fri	+27°C	+18°C	—	6-8 m/s, E	0 mm	57%
19Sat	+23°C	+18°C	—	2-3 m/s, SSE	0.6 mm	86%
20Sun	+23°C	+16°C	—	2-3 m/s, S	0 mm	78%
21Mon	+22°C	+17°C	—	3-4 m/s, WSW	0.7 mm	88%
22Tue	+21°C	+16°C	—	4-5 m/s, W	0.2 mm	86%
23Wed	+20°C	+14°C	—	5-7 m/s, SW	2.4 mm	82%
24Thu	+16°C	+10°C	—	7-9 m/s, WSW	0.2 mm	73%
25Fri	+17°C	+11°C	—	9-11 m/s, NW	0.3 mm	62%
26Sat	+16°C	+9°C	—	5-6 m/s, NW	0 mm	63%
27Sun	+16°C	+9°C	—	5-7 m/s, NNW	0 mm	67%
28Mon	+18°C	+9°C	—	4-5 m/s, WNW	0.1 mm	78%
29Tue	+19°C	+14°C	—	3-5 m/s, SW	0.3 mm	86%
30Wed	+18°C	+14°C	—	5-8 m/s, SSW	2 mm	85%

Weather highs and lows in Pornic for september

Warmest day: 13 september, +29°C
Coldest night: 26 september, +9°C
Max precipitation: 23 september, 2.4 mm
Warmest water: —
Coldest water: —

Climate in Pornic in september

Year: 2020
Average daytime temperature: +22°C
Average nighttime temperature: +14°C
Water temperature: —
Precipitation (month): 6.8 mm
Days with precipitation: 2
Humidity: 73%
Wind: 4 m/s

Weather in Pornic in september by year

Year	Day	Night	Precipitation	Days with precipitation	Water
2025	+20°C	+13°C	14 mm	4	—
2024	+19°C	+12°C	21.4 mm	6	—
2023	+24°C	+16°C	8.7 mm	3	—
2022	+22°C	+14°C	6.4 mm	2	—
2021	+24°C	+15°C	9.7 mm	3	—
2020	+22°C	+14°C	6.8 mm	2	—

Comparison september in Pornic with other months

Month	Day	Night	Days with precipitation	Sunny days
January	+9°C	+5°C	6	7
February	+11°C	+6°C	4	7
March	+12°C	+6°C	4	8
April	+15°C	+8°C	4	10
May	+18°C	+11°C	4	10
June	+22°C	+14°C	4	12
July	+24°C	+15°C	2	14
August	+25°C	+16°C	3	15
September	+22°C	+14°C	3	10
October	+18°C	+12°C	6	10
November	+14°C	+9°C	4	7
December	+11°C	+6°C	8	7