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September

Sopot Weather in September with Sea Temperature

September weather in Sopot includes average daytime air +19°C, nighttime +14°C, average sea temperature +17°C. Daily water temperatures usually range from +15°C to +20°C, which is cool for long swims. 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	+18°C	+14°C	+18°C	5 m/s	0 mm	73%
2Tue	+19°C	+14°C	+19°C	4 m/s	0.9 mm	76%
3Wed	+20°C	+15°C	+19°C	5 m/s	0.1 mm	74%
4Thu	+20°C	+15°C	+18°C	4 m/s	0 mm	67%
5Fri	+20°C	+15°C	+18°C	4 m/s	0.9 mm	69%
6Sat	+20°C	+14°C	+18°C	4 m/s	0.2 mm	74%
7Sun	+20°C	+15°C	+18°C	4 m/s	0 mm	69%
8Mon	+21°C	+16°C	+19°C	5 m/s	0.1 mm	69%
9Tue	+22°C	+16°C	+19°C	5 m/s	0.4 mm	69%
10Wed	+21°C	+15°C	+20°C	5 m/s	0.5 mm	73%
11Thu	+20°C	+15°C	+19°C	4 m/s	0.8 mm	75%
12Fri	+20°C	+15°C	+18°C	4 m/s	0.2 mm	72%
13Sat	+19°C	+13°C	+17°C	5 m/s	0.4 mm	79%
14Sun	+18°C	+14°C	+17°C	5 m/s	0.8 mm	81%
15Mon	+19°C	+14°C	+17°C	5 m/s	0.4 mm	76%
16Tue	+20°C	+14°C	+17°C	5 m/s	0.3 mm	72%
17Wed	+18°C	+14°C	+17°C	5 m/s	0.2 mm	74%
18Thu	+18°C	+13°C	+17°C	5 m/s	0.2 mm	76%
19Fri	+18°C	+14°C	+16°C	5 m/s	0.4 mm	75%
20Sat	+18°C	+14°C	+17°C	4 m/s	0 mm	71%
21Sun	+19°C	+13°C	+16°C	4 m/s	0.1 mm	68%
22Mon	+18°C	+13°C	+16°C	4 m/s	0.4 mm	71%
23Tue	+18°C	+13°C	+16°C	5 m/s	0.1 mm	70%
24Wed	+18°C	+13°C	+16°C	5 m/s	0 mm	66%
25Thu	+17°C	+13°C	+16°C	5 m/s	0.4 mm	73%
26Fri	+18°C	+13°C	+16°C	4 m/s	0.4 mm	75%
27Sat	+18°C	+13°C	+16°C	5 m/s	0.1 mm	71%
28Sun	+17°C	+12°C	+15°C	5 m/s	0.8 mm	71%
29Mon	+16°C	+11°C	+15°C	5 m/s	0.1 mm	67%
30Tue	+15°C	+11°C	+15°C	5 m/s	0.1 mm	70%

Sea water temperature by months

Water +17°C

Day and night air temperature

Day +19°C Night +14°C

Weather highs and lows in Sopot for september

Warmest day: 9 september, +22°C
Coldest night: 30 september, +11°C
Max precipitation: 2 september, 0.9 mm
Warmest sea water: 10 september, +20°C
Coldest sea water: 28 september, +15°C

Climate in Sopot in september

Average daytime temperature: +19°C
Average nighttime temperature: +14°C
Sea water temperature: —
Precipitation (monthly average): 9 mm
Days with precipitation: 3.2
Humidity: 72%
Wind: 5 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	+20°C	+16°C	—	3-4 m/s, ESE	0 mm	77%
2Tue	+22°C	+17°C	—	3-5 m/s, SE	1.8 mm	83%
3Wed	+21°C	+16°C	—	4-6 m/s, ESE	0 mm	79%
4Thu	+24°C	+17°C	—	4 m/s, S	0 mm	68%
5Fri	+24°C	+17°C	—	3-4 m/s, ESE	1.6 mm	75%
6Sat	+20°C	+16°C	—	4-6 m/s, N	0.4 mm	84%
7Sun	+19°C	+16°C	—	3 m/s, N	0 mm	80%
8Mon	+21°C	+17°C	—	4-5 m/s, E	0.2 mm	81%
9Tue	+21°C	+16°C	—	3-4 m/s, E	0 mm	77%
10Wed	+21°C	+15°C	—	4-6 m/s, ESE	0 mm	81%
11Thu	+18°C	+16°C	—	6-9 m/s, S	4.7 mm	88%
12Fri	+22°C	+15°C	—	3-5 m/s, SW	0 mm	70%
13Sat	+20°C	+14°C	—	4-8 m/s, SSE	0 mm	72%
14Sun	+16°C	+14°C	—	3-4 m/s, SSE	4.3 mm	93%
15Mon	+19°C	+12°C	—	7-9 m/s, S	0.2 mm	78%
16Tue	+18°C	+14°C	—	7-9 m/s, SW	0 mm	70%
17Wed	+17°C	+13°C	—	8-9 m/s, WSW	0 mm	75%
18Thu	+18°C	+13°C	—	6-8 m/s, WSW	0 mm	80%
19Fri	+20°C	+17°C	—	7-8 m/s, WNW	0.1 mm	82%
20Sat	+25°C	+16°C	—	4-6 m/s, SSW	0 mm	74%
21Sun	+25°C	+15°C	—	5 m/s, SW	0 mm	71%
22Mon	+15°C	+11°C	—	5-6 m/s, WNW	1 mm	77%
23Tue	+15°C	+11°C	—	5-6 m/s, NW	0.4 mm	64%
24Wed	+14°C	+11°C	—	5-6 m/s, N	0 mm	56%
25Thu	+13°C	+11°C	—	4-5 m/s, E	0 mm	65%
26Fri	+14°C	+11°C	—	5-7 m/s, ESE	0 mm	61%
27Sat	+14°C	+10°C	—	4-5 m/s, ESE	0 mm	60%
28Sun	+15°C	+12°C	—	4-5 m/s, E	0.1 mm	75%
29Mon	+13°C	+10°C	—	6-7 m/s, E	0.2 mm	64%
30Tue	+11°C	+10°C	—	5 m/s, ESE	0.8 mm	74%

Weather highs and lows in Sopot for september

Warmest day: 20 september, +25°C
Coldest night: 27 september, +10°C
Max precipitation: 11 september, 4.7 mm
Warmest water: —
Coldest water: —

Climate in Sopot in september

Year: 2025
Average daytime temperature: +19°C
Average nighttime temperature: +14°C
Water temperature: —
Precipitation (month): 15.8 mm
Days with precipitation: 5
Humidity: 74%
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	+19°C	+15°C	+18°C	2-3 m/s, E	0 mm	68%
2Mon	+19°C	+16°C	+19°C	4-5 m/s, ENE	0 mm	68%
3Tue	+23°C	+18°C	+19°C	4 m/s, E	0 mm	78%
4Wed	+23°C	+19°C	+18°C	4 m/s, ENE	0 mm	62%
5Thu	+23°C	+18°C	+18°C	5-7 m/s, ENE	0 mm	65%
6Fri	+23°C	+18°C	+18°C	5-6 m/s, ENE	0 mm	70%
7Sat	+25°C	+19°C	+18°C	4-5 m/s, E	0 mm	56%
8Sun	+26°C	+19°C	+19°C	5 m/s, ESE	0 mm	49%
9Mon	+26°C	+18°C	+19°C	7-8 m/s, SE	0.2 mm	49%
10Tue	+20°C	+14°C	+20°C	5-7 m/s, WSW	1.4 mm	74%
11Wed	+21°C	+13°C	+19°C	6-8 m/s, SSW	0.2 mm	66%
12Thu	+17°C	+12°C	+18°C	3-4 m/s, S	1.1 mm	71%
13Fri	+15°C	+11°C	+17°C	7-8 m/s, NNW	2.1 mm	90%
14Sat	+17°C	+16°C	+17°C	9-10 m/s, N	0.4 mm	87%
15Sun	+18°C	+16°C	+17°C	9-10 m/s, NNE	1.1 mm	88%
16Mon	+21°C	+17°C	+17°C	3-5 m/s, ENE	0 mm	77%
17Tue	+20°C	+17°C	+17°C	2-3 m/s, NE	0 mm	68%
18Wed	+20°C	+17°C	+17°C	3-4 m/s, NE	0 mm	76%
19Thu	+20°C	+16°C	+16°C	3-4 m/s, ENE	0 mm	76%
20Fri	+19°C	+16°C	+17°C	2-3 m/s, E	0 mm	68%
21Sat	+19°C	+16°C	+16°C	2-3 m/s, E	0 mm	78%
22Sun	+19°C	+15°C	+16°C	3 m/s, E	0 mm	78%
23Mon	+22°C	+15°C	+16°C	3-4 m/s, SSE	0 mm	61%
24Tue	+22°C	+14°C	+16°C	4-5 m/s, SSE	0 mm	62%
25Wed	+19°C	+13°C	+16°C	7-8 m/s, SW	0 mm	77%
26Thu	+20°C	+14°C	+16°C	6-8 m/s, S	1.9 mm	75%
27Fri	+19°C	+16°C	+16°C	8-9 m/s, SW	0.1 mm	69%
28Sat	+16°C	+11°C	+15°C	8-10 m/s, W	0 mm	64%
29Sun	+14°C	+9°C	+15°C	6-8 m/s, NW	0.1 mm	62%
30Mon	+14°C	+10°C	+15°C	3-6 m/s, ESE	0 mm	52%

Weather highs and lows in Sopot for september

Warmest day: 8 september, +26°C
Coldest night: 29 september, +9°C
Max precipitation: 13 september, 2.1 mm
Warmest water: 10 september, +20°C
Coldest water: 28 september, +15°C

Climate in Sopot in september

Year: 2024
Average daytime temperature: +20°C
Average nighttime temperature: +15°C
Water temperature: —
Precipitation (month): 8.6 mm
Days with precipitation: 5
Humidity: 69%
Wind: 5 m/s

Daily air temperature for the month

Day Night

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September	Day	Night	Sea t°	Wind	Precip	Humidity
1Fri	+19°C	+12°C	—	7-9 m/s, WSW	0.2 mm	74%
2Sat	+21°C	+14°C	—	5-6 m/s, WNW	0 mm	73%
3Sun	+20°C	+14°C	—	4-5 m/s, WNW	0.1 mm	72%
4Mon	+21°C	+14°C	—	3-4 m/s, W	0 mm	80%
5Tue	+23°C	+16°C	—	3-4 m/s, WSW	0 mm	68%
6Wed	+21°C	+17°C	—	3 m/s, NNE	0 mm	80%
7Thu	+20°C	+16°C	—	3-4 m/s, E	0 mm	82%
8Fri	+23°C	+16°C	—	2 m/s, ESE	0 mm	71%
9Sat	+23°C	+18°C	—	2-3 m/s, SE	0 mm	68%
10Sun	+26°C	+18°C	—	3 m/s, S	0 mm	67%
11Mon	+23°C	+18°C	—	2 m/s, NE	0 mm	70%
12Tue	+24°C	+18°C	—	2-4 m/s, ESE	0 mm	70%
13Wed	+22°C	+14°C	—	4-8 m/s, E	0 mm	82%
14Thu	+17°C	+14°C	—	5-7 m/s, N	0.2 mm	72%
15Fri	+17°C	+13°C	—	2-4 m/s, ESE	0 mm	66%
16Sat	+22°C	+13°C	—	4-5 m/s, SE	0 mm	56%
17Sun	+22°C	+16°C	—	3-4 m/s, E	0 mm	66%
18Mon	+24°C	+17°C	—	4 m/s, SE	0 mm	74%
19Tue	+21°C	+16°C	—	5-6 m/s, W	1.6 mm	74%
20Wed	+20°C	+15°C	—	5-7 m/s, SW	0 mm	66%
21Thu	+25°C	+16°C	—	5-6 m/s, SSE	0 mm	66%
22Fri	+24°C	+16°C	—	6-7 m/s, S	1.1 mm	69%
23Sat	+20°C	+14°C	—	4-5 m/s, SW	0 mm	75%
24Sun	+17°C	+12°C	—	5 m/s, WNW	0 mm	71%
25Mon	+18°C	+11°C	—	3 m/s, SE	0 mm	74%
26Tue	+20°C	+15°C	—	2-3 m/s, SE	0 mm	72%
27Wed	+25°C	+17°C	—	3-5 m/s, S	0 mm	69%
28Thu	+25°C	+17°C	—	4-5 m/s, S	0 mm	59%
29Fri	+22°C	+17°C	—	3-4 m/s, SSW	0.1 mm	61%
30Sat	+18°C	+14°C	—	7-8 m/s, WNW	0 mm	76%

Weather highs and lows in Sopot for september

Warmest day: 10 september, +26°C
Coldest night: 25 september, +11°C
Max precipitation: 19 september, 1.6 mm
Warmest water: —
Coldest water: —

Climate in Sopot in september

Year: 2023
Average daytime temperature: +21°C
Average nighttime temperature: +15°C
Water temperature: —
Precipitation (month): 3.3 mm
Days with precipitation: 2
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	+17°C	+14°C	—	5-6 m/s, N	0 mm	67%
2Fri	+16°C	+12°C	—	3-4 m/s, NNE	0.1 mm	70%
3Sat	+18°C	+14°C	—	5-7 m/s, E	0.2 mm	60%
4Sun	+17°C	+14°C	—	5 m/s, ENE	0 mm	60%
5Mon	+18°C	+13°C	—	4 m/s, ENE	0 mm	64%
6Tue	+18°C	+12°C	—	3-4 m/s, E	0 mm	69%
7Wed	+17°C	+11°C	—	2-3 m/s, E	0 mm	62%
8Thu	+19°C	+15°C	—	6-8 m/s, E	0 mm	67%
9Fri	+16°C	+12°C	—	7-9 m/s, SE	2.4 mm	76%
10Sat	+18°C	+13°C	—	4 m/s, SE	0 mm	84%
11Sun	+16°C	+13°C	—	4-6 m/s, NE	0 mm	78%
12Mon	+18°C	+13°C	—	4-5 m/s, NNE	0 mm	66%
13Tue	+17°C	+11°C	—	5-6 m/s, SSW	0 mm	74%
14Wed	+17°C	+13°C	—	7-8 m/s, W	0 mm	74%
15Thu	+18°C	+13°C	—	7-8 m/s, WSW	0.8 mm	72%
16Fri	+16°C	+11°C	—	9-11 m/s, WSW	0.2 mm	72%
17Sat	+16°C	+11°C	—	6-8 m/s, WNW	0.1 mm	76%
18Sun	+15°C	+10°C	—	4-5 m/s, W	0.6 mm	73%
19Mon	+14°C	+10°C	—	5-7 m/s, NW	0.6 mm	79%
20Tue	+14°C	+11°C	—	6 m/s, NNW	0.1 mm	78%
21Wed	+14°C	+11°C	—	5-6 m/s, N	0.2 mm	76%
22Thu	+14°C	+11°C	—	4-5 m/s, NNE	0.2 mm	72%
23Fri	+14°C	+8°C	—	3-4 m/s, NNW	0.1 mm	74%
24Sat	+16°C	+10°C	—	3 m/s, SSW	0 mm	61%
25Sun	+15°C	+11°C	—	3 m/s, SSW	0.1 mm	64%
26Mon	+15°C	+10°C	—	4-6 m/s, SW	0 mm	75%
27Tue	+14°C	+11°C	—	5 m/s, SE	0.2 mm	78%
28Wed	+14°C	+10°C	—	3-4 m/s, SSW	4.5 mm	78%
29Thu	+14°C	+9°C	—	4-5 m/s, SW	0 mm	72%
30Fri	+15°C	+9°C	—	3 m/s, SSE	0 mm	72%

Weather highs and lows in Sopot for september

Warmest day: 8 september, +19°C
Coldest night: 23 september, +8°C
Max precipitation: 28 september, 4.5 mm
Warmest water: —
Coldest water: —

Climate in Sopot in september

Year: 2022
Average daytime temperature: +16°C
Average nighttime temperature: +12°C
Water temperature: —
Precipitation (month): 10.4 mm
Days with precipitation: 2
Humidity: 71%
Wind: 5 m/s

Daily air temperature for the month

Day Night

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September	Day	Night	Sea t°	Wind	Precip	Humidity
1Wed	+16°C	+13°C	—	7-8 m/s, S	0 mm	77%
2Thu	+18°C	+12°C	—	5-7 m/s, NNW	0 mm	73%
3Fri	+19°C	+13°C	—	6-8 m/s, W	0 mm	70%
4Sat	+16°C	+12°C	—	3-4 m/s, NNE	0 mm	58%
5Sun	+16°C	+11°C	—	3 m/s, NNE	0 mm	61%
6Mon	+19°C	+10°C	—	2 m/s, SSE	0 mm	64%
7Tue	+21°C	+13°C	—	3-4 m/s, WNW	0 mm	59%
8Wed	+21°C	+14°C	—	3 m/s, SE	0 mm	72%
9Thu	+26°C	+15°C	—	3-4 m/s, SSW	0 mm	63%
10Fri	+25°C	+15°C	—	3-4 m/s, S	0 mm	58%
11Sat	+23°C	+17°C	—	3-4 m/s, WNW	0.1 mm	80%
12Sun	+20°C	+16°C	—	4-5 m/s, W	0.3 mm	88%
13Mon	+18°C	+15°C	—	5-6 m/s, WNW	0.1 mm	82%
14Tue	+19°C	+14°C	—	2 m/s, SSE	0.1 mm	78%
15Wed	+19°C	+14°C	—	3-5 m/s, ESE	0 mm	79%
16Thu	+18°C	+14°C	—	4-6 m/s, S	1.3 mm	86%
17Fri	+16°C	+14°C	—	2-4 m/s, WNW	0.6 mm	89%
18Sat	+14°C	+11°C	—	7-8 m/s, ENE	0.7 mm	88%
19Sun	+14°C	+12°C	—	6-7 m/s, NE	0 mm	62%
20Mon	+13°C	+11°C	—	6 m/s, NNE	0.1 mm	64%
21Tue	+13°C	+9°C	—	4 m/s, NW	0.1 mm	61%
22Wed	+14°C	+9°C	—	3 m/s, NNE	0 mm	68%
23Thu	+15°C	+11°C	—	8-12 m/s, WSW	0.2 mm	82%
24Fri	+14°C	+12°C	—	10-11 m/s, WNW	0 mm	76%
25Sat	+17°C	+13°C	—	8-9 m/s, WNW	0.1 mm	79%
26Sun	+17°C	+12°C	—	3-4 m/s, ESE	0 mm	82%
27Mon	+17°C	+12°C	—	5-6 m/s, SE	0 mm	73%
28Tue	+15°C	+10°C	—	5-6 m/s, SSE	0 mm	74%
29Wed	+17°C	+11°C	—	6 m/s, SSE	0 mm	68%
30Thu	+16°C	+10°C	—	5-6 m/s, WSW	0 mm	70%

Weather highs and lows in Sopot for september

Warmest day: 9 september, +26°C
Coldest night: 21 september, +9°C
Max precipitation: 16 september, 1.3 mm
Warmest water: —
Coldest water: —

Climate in Sopot in september

Year: 2021
Average daytime temperature: +18°C
Average nighttime temperature: +13°C
Water temperature: —
Precipitation (month): 3.7 mm
Days with precipitation: 1
Humidity: 73%
Wind: 5 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
1Tue	+17°C	+14°C	—	5-6 m/s, NE	0 mm	72%
2Wed	+16°C	+12°C	—	4-5 m/s, ENE	3.3 mm	87%
3Thu	+16°C	+13°C	—	6-7 m/s, SW	0.2 mm	87%
4Fri	+19°C	+15°C	—	5-7 m/s, WSW	0 mm	75%
5Sat	+17°C	+14°C	—	5-6 m/s, WSW	3.6 mm	82%
6Sun	+18°C	+13°C	—	5 m/s, WSW	0.8 mm	75%
7Mon	+17°C	+13°C	—	6-7 m/s, W	0 mm	74%
8Tue	+17°C	+13°C	—	8-9 m/s, WSW	0.1 mm	76%
9Wed	+19°C	+14°C	—	6-7 m/s, WSW	0 mm	79%
10Thu	+17°C	+12°C	—	8 m/s, WNW	1.3 mm	71%
11Fri	+16°C	+12°C	—	4-5 m/s, WSW	0 mm	69%
12Sat	+21°C	+13°C	—	5 m/s, SSW	0 mm	67%
13Sun	+19°C	+15°C	—	5-6 m/s, WSW	0 mm	73%
14Mon	+21°C	+15°C	—	5-8 m/s, SSW	0 mm	84%
15Tue	+25°C	+16°C	—	2-3 m/s, SSW	0 mm	72%
16Wed	+24°C	+16°C	—	4-5 m/s, WSW	0 mm	70%
17Thu	+15°C	+11°C	—	7-8 m/s, NNW	0.4 mm	69%
18Fri	+17°C	+11°C	—	5 m/s, NW	0 mm	63%
19Sat	+17°C	+11°C	—	4-5 m/s, SSE	0 mm	76%
20Sun	+18°C	+13°C	—	2-3 m/s, SSE	0 mm	78%
21Mon	+20°C	+12°C	—	3 m/s, S	0 mm	58%
22Tue	+22°C	+13°C	—	3-4 m/s, S	0 mm	63%
23Wed	+23°C	+17°C	—	4-5 m/s, S	0 mm	66%
24Thu	+22°C	+16°C	—	4-5 m/s, SSW	0 mm	70%
25Fri	+21°C	+16°C	—	4-6 m/s, SE	2 mm	80%
26Sat	+20°C	+16°C	—	4-6 m/s, ESE	0.2 mm	87%
27Sun	+18°C	+14°C	—	7-9 m/s, E	0.2 mm	79%
28Mon	+16°C	+13°C	—	5 m/s, SSW	0 mm	78%
29Tue	+15°C	+12°C	—	3-4 m/s, NE	0 mm	75%
30Wed	+15°C	+13°C	—	4-6 m/s, ENE	0 mm	78%

Weather highs and lows in Sopot for september

Warmest day: 15 september, +25°C
Coldest night: 17 september, +11°C
Max precipitation: 5 september, 3.6 mm
Warmest water: —
Coldest water: —

Climate in Sopot in september

Year: 2020
Average daytime temperature: +19°C
Average nighttime temperature: +14°C
Water temperature: —
Precipitation (month): 12.1 mm
Days with precipitation: 4
Humidity: 74%
Wind: 5 m/s

Weather in Sopot in september by year

Year	Day	Night	Precipitation	Days with precipitation	Water
2025	+19°C	+14°C	15.8 mm	5	—
2024	+20°C	+15°C	8.6 mm	5	—
2023	+21°C	+15°C	3.3 mm	2	—
2022	+16°C	+12°C	10.4 mm	2	—
2021	+18°C	+13°C	3.7 mm	1	—
2020	+19°C	+14°C	12.1 mm	4	—

Comparison september in Sopot with other months

Month	Day	Night	Days with precipitation	Sunny days
January	+4°C	+1°C	3	3
February	+4°C	+1°C	3	4
March	+7°C	+2°C	2	9
April	+9°C	+4°C	1	7
May	+14°C	+8°C	4	10
June	+19°C	+13°C	3	11
July	+21°C	+15°C	5	8
August	+21°C	+16°C	4	9
September	+19°C	+14°C	3	11
October	+13°C	+9°C	4	7
November	+8°C	+5°C	3	4
December	+4°C	+2°C	3	4