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September

Gebze Weather in September with Sea Temperature

September weather in Gebze includes average daytime air +25°C, nighttime +19°C, average sea temperature +23°C. Daily water temperatures usually range from +21°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	+28°C	+22°C	+23°C	3 m/s	0.3 mm	67%
2Tue	+28°C	+22°C	+23°C	3 m/s	1.2 mm	64%
3Wed	+28°C	+22°C	+24°C	4 m/s	0.9 mm	67%
4Thu	+27°C	+21°C	+24°C	4 m/s	0.1 mm	67%
5Fri	+25°C	+21°C	+23°C	5 m/s	0.3 mm	69%
6Sat	+25°C	+21°C	+24°C	5 m/s	0.1 mm	65%
7Sun	+26°C	+21°C	+23°C	5 m/s	0.2 mm	65%
8Mon	+26°C	+20°C	+23°C	5 m/s	0.2 mm	64%
9Tue	+26°C	+20°C	+23°C	4 m/s	0 mm	66%
10Wed	+26°C	+20°C	+23°C	4 m/s	0.2 mm	66%
11Thu	+26°C	+20°C	+23°C	4 m/s	0.2 mm	64%
12Fri	+25°C	+20°C	+23°C	4 m/s	0.1 mm	67%
13Sat	+25°C	+20°C	+23°C	4 m/s	0.1 mm	65%
14Sun	+26°C	+20°C	+23°C	4 m/s	0 mm	62%
15Mon	+25°C	+19°C	+23°C	4 m/s	0.4 mm	62%
16Tue	+26°C	+20°C	+23°C	4 m/s	0.3 mm	62%
17Wed	+26°C	+19°C	+23°C	3 m/s	0.1 mm	61%
18Thu	+25°C	+19°C	+23°C	4 m/s	0.3 mm	60%
19Fri	+24°C	+19°C	+22°C	4 m/s	0.1 mm	64%
20Sat	+24°C	+18°C	+22°C	4 m/s	0.1 mm	67%
21Sun	+23°C	+18°C	+22°C	5 m/s	0.3 mm	66%
22Mon	+23°C	+18°C	+22°C	4 m/s	1.1 mm	63%
23Tue	+22°C	+18°C	+22°C	3 m/s	0.8 mm	63%
24Wed	+24°C	+17°C	+22°C	2 m/s	0.2 mm	59%
25Thu	+24°C	+18°C	+22°C	3 m/s	0 mm	61%
26Fri	+25°C	+18°C	+22°C	4 m/s	0 mm	58%
27Sat	+25°C	+19°C	+22°C	5 m/s	0 mm	59%
28Sun	+24°C	+19°C	+22°C	3 m/s	0.9 mm	66%
29Mon	+24°C	+19°C	+21°C	3 m/s	2.3 mm	67%
30Tue	+22°C	+17°C	+21°C	4 m/s	3.4 mm	68%

Sea water temperature by months

Water +23°C

Day and night air temperature

Day +25°C Night +19°C

Weather highs and lows in Gebze for september

Warmest day: 1 september, +28°C
Coldest night: 30 september, +17°C
Max precipitation: 30 september, 3.4 mm
Warmest sea water: 3 september, +24°C
Coldest sea water: 29 september, +21°C

Climate in Gebze in september

Average daytime temperature: +25°C
Average nighttime temperature: +19°C
Sea water temperature: —
Precipitation (monthly average): 14 mm
Days with precipitation: 3.2
Humidity: 64%
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	—	3-5 m/s, NNW	0 mm	65%
2Tue	+29°C	+23°C	—	3-6 m/s, NW	0 mm	55%
3Wed	+29°C	+21°C	—	4-8 m/s, NE	0 mm	64%
4Thu	+28°C	+22°C	—	6-9 m/s, NE	0 mm	66%
5Fri	+27°C	+22°C	—	6-9 m/s, NNE	0 mm	73%
6Sat	+25°C	+22°C	—	4-6 m/s, NE	0 mm	69%
7Sun	+26°C	+21°C	—	4-8 m/s, NNW	0.2 mm	67%
8Mon	+25°C	+21°C	—	4-5 m/s, N	0.2 mm	63%
9Tue	+26°C	+20°C	—	2-5 m/s, NNE	0 mm	64%
10Wed	+26°C	+20°C	—	2-5 m/s, NNE	0 mm	59%
11Thu	+27°C	+21°C	—	4-5 m/s, ENE	0 mm	58%
12Fri	+27°C	+21°C	—	5-8 m/s, NE	0 mm	70%
13Sat	+25°C	+20°C	—	7-9 m/s, NE	0.1 mm	69%
14Sun	+25°C	+20°C	—	7-9 m/s, NE	0 mm	63%
15Mon	+25°C	+19°C	—	4-7 m/s, NE	0 mm	66%
16Tue	+26°C	+19°C	—	4-7 m/s, NNE	0 mm	64%
17Wed	+25°C	+18°C	—	3-6 m/s, ENE	0 mm	61%
18Thu	+22°C	+19°C	—	5-8 m/s, N	0.9 mm	61%
19Fri	+22°C	+19°C	—	5-7 m/s, NNE	0 mm	50%
20Sat	+24°C	+18°C	—	5-7 m/s, ENE	0 mm	58%
21Sun	+25°C	+18°C	—	6-9 m/s, ENE	0 mm	62%
22Mon	+26°C	+19°C	—	3-5 m/s, NNE	0 mm	66%
23Tue	+24°C	+19°C	—	2-5 m/s, WNW	0 mm	70%
24Wed	+23°C	+18°C	—	2-5 m/s, WNW	0 mm	73%
25Thu	+23°C	+18°C	—	4-8 m/s, NE	0 mm	73%
26Fri	+21°C	+18°C	—	8-11 m/s, NE	0.2 mm	69%
27Sat	+21°C	+17°C	—	9-10 m/s, NE	0 mm	57%
28Sun	+19°C	+17°C	—	6 m/s, NE	0 mm	66%
29Mon	+18°C	+17°C	—	3-4 m/s, NE	0.8 mm	75%
30Tue	+19°C	+15°C	—	2-6 m/s, NW	0.1 mm	71%

Weather highs and lows in Gebze for september

Warmest day: 2 september, +29°C
Coldest night: 30 september, +15°C
Max precipitation: 18 september, 0.9 mm
Warmest water: —
Coldest water: —

Climate in Gebze in september

Year: 2025
Average daytime temperature: +25°C
Average nighttime temperature: +20°C
Water temperature: —
Precipitation (month): 2.5 mm
Days with precipitation: 0
Humidity: 65%
Wind: 4 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	+26°C	+22°C	+23°C	3-6 m/s, NE	0.9 mm	76%
2Mon	+26°C	+22°C	+23°C	1-2 m/s, NNW	6.8 mm	78%
3Tue	+27°C	+23°C	+24°C	2-3 m/s, WNW	0.2 mm	68%
4Wed	+29°C	+23°C	+24°C	3-6 m/s, N	0 mm	63%
5Thu	+27°C	+22°C	+23°C	3-4 m/s, NW	0 mm	65%
6Fri	+28°C	+21°C	+24°C	3-6 m/s, N	0 mm	60%
7Sat	+26°C	+21°C	+23°C	3-4 m/s, WNW	0.9 mm	69%
8Sun	+25°C	+21°C	+23°C	3-5 m/s, WNW	0.7 mm	71%
9Mon	+25°C	+20°C	+23°C	2-6 m/s, WNW	0.2 mm	75%
10Tue	+26°C	+21°C	+23°C	2-3 m/s, WNW	0 mm	67%
11Wed	+27°C	+21°C	+23°C	2-4 m/s, WNW	0 mm	61%
12Thu	+25°C	+22°C	+23°C	2-4 m/s, WNW	0 mm	67%
13Fri	+27°C	+22°C	+23°C	2-4 m/s, WNW	0 mm	57%
14Sat	+28°C	+23°C	+23°C	2-4 m/s, WNW	0 mm	55%
15Sun	+24°C	+18°C	+23°C	4-6 m/s, NE	2.1 mm	70%
16Mon	+22°C	+19°C	+23°C	4-7 m/s, NE	0.1 mm	68%
17Tue	+24°C	+19°C	+23°C	4-6 m/s, NE	0.6 mm	65%
18Wed	+24°C	+20°C	+23°C	3-5 m/s, NE	0.1 mm	68%
19Thu	+22°C	+20°C	+22°C	4-5 m/s, NNW	0.1 mm	68%
20Fri	+24°C	+19°C	+22°C	3-7 m/s, NNE	0.5 mm	71%
21Sat	+21°C	+19°C	+22°C	4-5 m/s, NE	1.7 mm	74%
22Sun	+23°C	+19°C	+22°C	3-5 m/s, ENE	0.3 mm	62%
23Mon	+21°C	+19°C	+22°C	3-5 m/s, W	0.9 mm	63%
24Tue	+24°C	+18°C	+22°C	2-4 m/s, ENE	0 mm	58%
25Wed	+24°C	+19°C	+22°C	2-4 m/s, WNW	0 mm	61%
26Thu	+24°C	+19°C	+22°C	3-5 m/s, ENE	0 mm	61%
27Fri	+26°C	+19°C	+22°C	3-5 m/s, ENE	0 mm	63%
28Sat	+26°C	+20°C	+22°C	2-3 m/s, WNW	0 mm	66%
29Sun	+25°C	+21°C	+21°C	2-4 m/s, W	0.1 mm	68%
30Mon	+20°C	+15°C	+21°C	6-7 m/s, NW	10.5 mm	81%

Weather highs and lows in Gebze for september

Warmest day: 4 september, +29°C
Coldest night: 30 september, +15°C
Max precipitation: 30 september, 10.5 mm
Warmest water: 3 september, +24°C
Coldest water: 29 september, +21°C

Climate in Gebze in september

Year: 2024
Average daytime temperature: +25°C
Average nighttime temperature: +20°C
Water temperature: —
Precipitation (month): 26.7 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	+28°C	+23°C	—	3-4 m/s, NW	0.4 mm	63%
2Sat	+29°C	+23°C	—	5-9 m/s, NE	0.2 mm	67%
3Sun	+28°C	+22°C	—	6-9 m/s, NE	0.5 mm	66%
4Mon	+27°C	+21°C	—	5-8 m/s, NE	0.1 mm	64%
5Tue	+27°C	+23°C	—	5-8 m/s, NE	0.3 mm	73%
6Wed	+27°C	+23°C	—	6-8 m/s, NE	0 mm	74%
7Thu	+27°C	+23°C	—	7-9 m/s, ENE	0 mm	72%
8Fri	+26°C	+22°C	—	8-9 m/s, NE	0.1 mm	63%
9Sat	+25°C	+21°C	—	7-8 m/s, NE	0 mm	56%
10Sun	+25°C	+20°C	—	7-10 m/s, NE	0 mm	60%
11Mon	+24°C	+20°C	—	7-9 m/s, ENE	0 mm	62%
12Tue	+25°C	+19°C	—	6-8 m/s, ENE	0 mm	58%
13Wed	+25°C	+19°C	—	4-6 m/s, NE	0 mm	61%
14Thu	+26°C	+18°C	—	4-6 m/s, NNE	0 mm	55%
15Fri	+26°C	+19°C	—	3-5 m/s, N	0 mm	58%
16Sat	+26°C	+19°C	—	4-7 m/s, NNE	0 mm	65%
17Sun	+26°C	+20°C	—	6-9 m/s, NE	0 mm	71%
18Mon	+24°C	+19°C	—	7-9 m/s, NE	0 mm	62%
19Tue	+25°C	+18°C	—	4-6 m/s, ENE	0 mm	64%
20Wed	+23°C	+18°C	—	3-6 m/s, WNW	0 mm	70%
21Thu	+25°C	+18°C	—	3-6 m/s, ENE	0 mm	64%
22Fri	+26°C	+19°C	—	2-3 m/s, WNW	0 mm	49%
23Sat	+28°C	+22°C	—	2-4 m/s, NE	0 mm	40%
24Sun	+27°C	+20°C	—	4-6 m/s, NE	0 mm	53%
25Mon	+26°C	+20°C	—	5-8 m/s, NE	0 mm	75%
26Tue	+26°C	+21°C	—	5-8 m/s, NE	0 mm	74%
27Wed	+25°C	+21°C	—	4-7 m/s, NE	0 mm	71%
28Thu	+23°C	+21°C	—	2-3 m/s, NW	3.5 mm	77%
29Fri	+22°C	+20°C	—	2-4 m/s, W	6.2 mm	73%
30Sat	+22°C	+19°C	—	2-4 m/s, WNW	4.3 mm	76%

Weather highs and lows in Gebze for september

Warmest day: 2 september, +29°C
Coldest night: 14 september, +18°C
Max precipitation: 29 september, 6.2 mm
Warmest water: —
Coldest water: —

Climate in Gebze in september

Year: 2023
Average daytime temperature: +26°C
Average nighttime temperature: +20°C
Water temperature: —
Precipitation (month): 15.6 mm
Days with precipitation: 3
Humidity: 65%
Wind: 5 m/s

Daily air temperature for the month

Day Night

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September	Day	Night	Sea t°	Wind	Precip	Humidity
1Thu	+28°C	+23°C	—	2-4 m/s, WNW	0.5 mm	73%
2Fri	+31°C	+22°C	—	2-4 m/s, N	0 mm	71%
3Sat	+28°C	+24°C	—	3-5 m/s, WNW	4.4 mm	78%
4Sun	+23°C	+21°C	—	4-6 m/s, NE	0.1 mm	77%
5Mon	+23°C	+20°C	—	6-8 m/s, NE	0.2 mm	70%
6Tue	+23°C	+20°C	—	5-7 m/s, NE	0.2 mm	62%
7Wed	+26°C	+20°C	—	7-8 m/s, NE	0 mm	53%
8Thu	+27°C	+18°C	—	5-7 m/s, ENE	0 mm	58%
9Fri	+29°C	+17°C	—	3-4 m/s, ENE	0 mm	61%
10Sat	+30°C	+18°C	—	2-3 m/s, NNW	0 mm	61%
11Sun	+30°C	+21°C	—	2-4 m/s, WNW	0 mm	56%
12Mon	+23°C	+19°C	—	4-6 m/s, N	0.6 mm	72%
13Tue	+22°C	+17°C	—	2-4 m/s, WNW	0.1 mm	64%
14Wed	+26°C	+16°C	—	3-4 m/s, ENE	0 mm	56%
15Thu	+27°C	+17°C	—	2 m/s, WNW	0 mm	43%
16Fri	+30°C	+21°C	—	2-3 m/s, W	0 mm	41%
17Sat	+31°C	+21°C	—	2 m/s, W	0 mm	43%
18Sun	+30°C	+18°C	—	4-7 m/s, WNW	0.4 mm	51%
19Mon	+23°C	+17°C	—	4-5 m/s, NE	0 mm	68%
20Tue	+23°C	+16°C	—	4-6 m/s, N	0 mm	63%
21Wed	+22°C	+16°C	—	5-7 m/s, NNE	0 mm	56%
22Thu	+17°C	+14°C	—	4-6 m/s, NNE	6.3 mm	65%
23Fri	+19°C	+13°C	—	3-4 m/s, ENE	1 mm	62%
24Sat	+20°C	+14°C	—	2-3 m/s, WNW	0.1 mm	56%
25Sun	+23°C	+13°C	—	3-4 m/s, ENE	0 mm	45%
26Mon	+23°C	+14°C	—	2-3 m/s, WNW	0 mm	39%
27Tue	+25°C	+16°C	—	2-3 m/s, W	0 mm	40%
28Wed	+25°C	+20°C	—	2-4 m/s, SSE	1.9 mm	62%
29Thu	+28°C	+19°C	—	2-3 m/s, W	3.8 mm	61%
30Fri	+30°C	+19°C	—	2 m/s, W	0 mm	54%

Weather highs and lows in Gebze for september

Warmest day: 2 september, +31°C
Coldest night: 23 september, +13°C
Max precipitation: 22 september, 6.3 mm
Warmest water: —
Coldest water: —

Climate in Gebze in september

Year: 2022
Average daytime temperature: +26°C
Average nighttime temperature: +18°C
Water temperature: —
Precipitation (month): 19.6 mm
Days with precipitation: 5
Humidity: 59%
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	+30°C	+21°C	—	5-7 m/s, NNE	0 mm	62%
2Thu	+24°C	+20°C	—	4-5 m/s, NW	0.3 mm	57%
3Fri	+24°C	+19°C	—	5-7 m/s, NE	0.1 mm	57%
4Sat	+25°C	+17°C	—	4-7 m/s, NE	0 mm	56%
5Sun	+24°C	+18°C	—	6-9 m/s, NE	0 mm	64%
6Mon	+24°C	+20°C	—	8-10 m/s, ENE	0.4 mm	60%
7Tue	+24°C	+20°C	—	8-9 m/s, NE	0 mm	58%
8Wed	+25°C	+19°C	—	7-9 m/s, NE	0 mm	61%
9Thu	+26°C	+19°C	—	6-8 m/s, NE	0 mm	66%
10Fri	+23°C	+19°C	—	3-5 m/s, ENE	1.2 mm	75%
11Sat	+23°C	+17°C	—	2-3 m/s, NW	1 mm	74%
12Sun	+24°C	+17°C	—	2-5 m/s, WNW	0 mm	62%
13Mon	+25°C	+17°C	—	4-6 m/s, NE	0 mm	66%
14Tue	+26°C	+18°C	—	4-7 m/s, NE	0 mm	68%
15Wed	+24°C	+19°C	—	3-5 m/s, NE	0.1 mm	70%
16Thu	+25°C	+18°C	—	2-5 m/s, NNW	1.8 mm	61%
17Fri	+26°C	+16°C	—	2-3 m/s, ENE	0 mm	54%
18Sat	+28°C	+20°C	—	2-3 m/s, WNW	0.3 mm	43%
19Sun	+28°C	+19°C	—	2-3 m/s, N	0.2 mm	67%
20Mon	+28°C	+21°C	—	2-4 m/s, WNW	0.1 mm	68%
21Tue	+23°C	+18°C	—	4-6 m/s, NNE	0 mm	73%
22Wed	+20°C	+16°C	—	5-6 m/s, ENE	0 mm	65%
23Thu	+16°C	+13°C	—	5-6 m/s, N	3 mm	74%
24Fri	+20°C	+13°C	—	2-3 m/s, ENE	0.9 mm	57%
25Sat	+24°C	+16°C	—	3-4 m/s, WNW	0 mm	54%
26Sun	+25°C	+16°C	—	4-5 m/s, ENE	0 mm	55%
27Mon	+24°C	+16°C	—	5-6 m/s, ENE	0 mm	64%
28Tue	+22°C	+16°C	—	4-6 m/s, NE	0 mm	72%
29Wed	+21°C	+17°C	—	5-7 m/s, ENE	0.4 mm	67%
30Thu	+20°C	+16°C	—	6-8 m/s, ENE	0 mm	64%

Weather highs and lows in Gebze for september

Warmest day: 1 september, +30°C
Coldest night: 23 september, +13°C
Max precipitation: 23 september, 3 mm
Warmest water: —
Coldest water: —

Climate in Gebze in september

Year: 2021
Average daytime temperature: +24°C
Average nighttime temperature: +18°C
Water temperature: —
Precipitation (month): 9.8 mm
Days with precipitation: 4
Humidity: 63%
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	+30°C	+19°C	—	3-6 m/s, SSE	0 mm	65%
2Wed	+30°C	+22°C	—	3-6 m/s, SE	0 mm	57%
3Thu	+31°C	+22°C	—	3-5 m/s, SSE	0 mm	69%
4Fri	+27°C	+21°C	—	4-8 m/s, SW	0.3 mm	73%
5Sat	+24°C	+18°C	—	4-6 m/s, NNE	1 mm	70%
6Sun	+25°C	+18°C	—	3-4 m/s, NW	0 mm	65%
7Mon	+27°C	+21°C	—	3-6 m/s, SSE	0 mm	68%
8Tue	+27°C	+21°C	—	4-8 m/s, NE	0 mm	70%
9Wed	+27°C	+22°C	—	6-9 m/s, ENE	0 mm	74%
10Thu	+26°C	+21°C	—	5-8 m/s, NE	0 mm	72%
11Fri	+26°C	+22°C	—	6-9 m/s, NE	0 mm	72%
12Sat	+27°C	+23°C	—	5-7 m/s, NE	0 mm	71%
13Sun	+26°C	+22°C	—	5-7 m/s, NNE	0.4 mm	75%
14Mon	+27°C	+22°C	—	5-8 m/s, NE	0 mm	72%
15Tue	+26°C	+22°C	—	6-9 m/s, NE	0 mm	66%
16Wed	+26°C	+21°C	—	6-8 m/s, NE	0 mm	71%
17Thu	+26°C	+21°C	—	3-4 m/s, WNW	0 mm	74%
18Fri	+24°C	+20°C	—	4-6 m/s, NE	0 mm	76%
19Sat	+23°C	+18°C	—	7-8 m/s, NE	0 mm	66%
20Sun	+22°C	+18°C	—	6-8 m/s, NE	0.2 mm	73%
21Mon	+23°C	+18°C	—	6-7 m/s, NE	0 mm	69%
22Tue	+24°C	+20°C	—	5-6 m/s, NE	0 mm	70%
23Wed	+25°C	+19°C	—	3-4 m/s, NW	0 mm	70%
24Thu	+27°C	+19°C	—	2-4 m/s, SE	0 mm	56%
25Fri	+26°C	+21°C	—	1-3 m/s, WNW	0.3 mm	58%
26Sat	+31°C	+21°C	—	2-3 m/s, SW	0 mm	49%
27Sun	+26°C	+22°C	—	4-6 m/s, WNW	0 mm	57%
28Mon	+28°C	+21°C	—	2-3 m/s, NW	0 mm	52%
29Tue	+28°C	+22°C	—	2-4 m/s, NW	2.3 mm	56%
30Wed	+22°C	+17°C	—	3-4 m/s, NNE	5.4 mm	62%

Weather highs and lows in Gebze for september

Warmest day: 3 september, +31°C
Coldest night: 30 september, +17°C
Max precipitation: 30 september, 5.4 mm
Warmest water: —
Coldest water: —

Climate in Gebze in september

Year: 2020
Average daytime temperature: +26°C
Average nighttime temperature: +21°C
Water temperature: —
Precipitation (month): 9.9 mm
Days with precipitation: 3
Humidity: 67%
Wind: 4 m/s

Weather in Gebze in september by year

Year	Day	Night	Precipitation	Days with precipitation	Water
2025	+25°C	+20°C	2.5 mm	0	—
2024	+25°C	+20°C	26.7 mm	4	—
2023	+26°C	+20°C	15.6 mm	3	—
2022	+26°C	+18°C	19.6 mm	5	—
2021	+24°C	+18°C	9.8 mm	4	—
2020	+26°C	+21°C	9.9 mm	3	—

Comparison september in Gebze with other months

Month	Day	Night	Days with precipitation	Sunny days
January	+10°C	+5°C	9	9
February	+10°C	+5°C	7	9
March	+12°C	+6°C	9	9
April	+15°C	+9°C	5	11
May	+20°C	+14°C	6	15
June	+25°C	+19°C	4	18
July	+29°C	+22°C	2	24
August	+29°C	+22°C	1	25
September	+25°C	+19°C	3	16
October	+20°C	+15°C	5	15
November	+16°C	+12°C	6	12
December	+12°C	+9°C	8	10