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September

Weather in Cologne in september

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Averaged values across several years

Daily air temperature for the month

Day Night

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September	Day	Night	Wind	Precip	Humidity
1Mon	+23°C	+15°C	3 m/s	1 mm	66%
2Tue	+26°C	+15°C	2 m/s	0.3 mm	62%
3Wed	+24°C	+15°C	2 m/s	0.7 mm	65%
4Thu	+24°C	+16°C	2 m/s	0.6 mm	69%
5Fri	+27°C	+15°C	3 m/s	0 mm	62%
6Sat	+26°C	+15°C	2 m/s	0.1 mm	58%
7Sun	+27°C	+15°C	2 m/s	0 mm	58%
8Mon	+25°C	+15°C	2 m/s	0.8 mm	64%
9Tue	+24°C	+15°C	2 m/s	0.7 mm	70%
10Wed	+22°C	+14°C	3 m/s	0.4 mm	72%
11Thu	+23°C	+14°C	3 m/s	0.7 mm	66%
12Fri	+22°C	+13°C	3 m/s	0.2 mm	67%
13Sat	+21°C	+13°C	2 m/s	0.7 mm	71%
14Sun	+21°C	+12°C	2 m/s	0.4 mm	73%
15Mon	+23°C	+14°C	3 m/s	0.7 mm	68%
16Tue	+22°C	+14°C	3 m/s	0.2 mm	65%
17Wed	+22°C	+13°C	3 m/s	0.2 mm	71%
18Thu	+22°C	+13°C	4 m/s	0.5 mm	64%
19Fri	+23°C	+13°C	4 m/s	0 mm	61%
20Sat	+23°C	+13°C	3 m/s	0 mm	57%
21Sun	+22°C	+12°C	2 m/s	0.6 mm	65%
22Mon	+21°C	+11°C	2 m/s	0.9 mm	61%
23Tue	+20°C	+11°C	3 m/s	0.1 mm	65%
24Wed	+19°C	+12°C	3 m/s	0.5 mm	64%
25Thu	+18°C	+11°C	3 m/s	0.5 mm	68%
26Fri	+18°C	+11°C	3 m/s	0.9 mm	75%
27Sat	+18°C	+11°C	4 m/s	1.2 mm	73%
28Sun	+18°C	+10°C	2 m/s	0.2 mm	73%
29Mon	+17°C	+11°C	2 m/s	0.8 mm	71%
30Tue	+18°C	+9°C	3 m/s	0.1 mm	71%

Day and night air temperature

Day +22°C Night +13°C

Weather highs and lows in Cologne for september

Warmest day: 7 september, +27°C
Coldest night: 30 september, +9°C
Max precipitation: 27 september, 1.2 mm

Climate in Cologne in september

Average daytime temperature: +22°C
Average nighttime temperature: +13°C
Precipitation (monthly average): 13.8 mm
Days with precipitation: 3.8
Humidity: 66%
Wind: 3 m/s
Data: 6 years / coverage 100%

Daily air temperature for the month

Day Night

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September	Day	Night	Wind	Precip	Humidity
1Mon	+22°C	+15°C	3-4 m/s, SSW	0.2 mm	70%
2Tue	+23°C	+14°C	3-4 m/s, SW	1.6 mm	66%
3Wed	+24°C	+15°C	5 m/s, SSW	0.4 mm	70%
4Thu	+23°C	+16°C	4-6 m/s, SSW	0.3 mm	74%
5Fri	+23°C	+13°C	3-4 m/s, WNW	0.1 mm	64%
6Sat	+25°C	+13°C	2 m/s, SE	0 mm	53%
7Sun	+28°C	+14°C	4-6 m/s, SE	0 mm	50%
8Mon	+23°C	+16°C	2-3 m/s, NW	0.2 mm	72%
9Tue	+18°C	+14°C	1-2 m/s, NE	0.8 mm	86%
10Wed	+19°C	+10°C	2 m/s, SE	0 mm	78%
11Thu	+20°C	+13°C	4-6 m/s, WSW	0.7 mm	70%
12Fri	+19°C	+11°C	4-6 m/s, WSW	0.4 mm	70%
13Sat	+19°C	+12°C	4-5 m/s, SSW	1.9 mm	74%
14Sun	+20°C	+11°C	3-4 m/s, WSW	0.5 mm	72%
15Mon	+20°C	+16°C	6-7 m/s, WSW	0.9 mm	70%
16Tue	+20°C	+13°C	7-8 m/s, WSW	0.3 mm	56%
17Wed	+18°C	+11°C	3-4 m/s, WSW	0.1 mm	73%
18Thu	+25°C	+14°C	3-4 m/s, WSW	0 mm	59%
19Fri	+28°C	+14°C	2-3 m/s, SSE	0 mm	59%
20Sat	+29°C	+15°C	3-4 m/s, S	0 mm	57%
21Sun	+19°C	+11°C	3-4 m/s, NW	3.1 mm	82%
22Mon	+15°C	+9°C	3-5 m/s, NE	0.1 mm	69%
23Tue	+18°C	+9°C	3-4 m/s, NE	0 mm	59%
24Wed	+17°C	+10°C	4-6 m/s, ENE	0 mm	50%
25Thu	+15°C	+10°C	3-4 m/s, E	0.1 mm	52%
26Fri	+15°C	+8°C	2 m/s, NNE	0 mm	84%
27Sat	+18°C	+10°C	2 m/s, SW	0.2 mm	73%
28Sun	+21°C	+10°C	1 m/s, ENE	0 mm	69%
29Mon	+18°C	+14°C	1 m/s, WNW	0 mm	65%
30Tue	+18°C	+10°C	2 m/s, NW	0.1 mm	74%

Weather highs and lows in Cologne for september

Warmest day: 20 september, +29°C
Coldest night: 26 september, +8°C
Max precipitation: 21 september, 3.1 mm

Climate in Cologne in september

Year: 2025
Average daytime temperature: +21°C
Average nighttime temperature: +12°C
Precipitation (month): 12 mm
Days with precipitation: 3
Humidity: 67%
Wind: 3 m/s

Daily air temperature for the month

Day Night

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September	Day	Night	Wind	Precip	Humidity
1Sun	+31°C	+17°C	3-4 m/s, SE	0 mm	65%
2Mon	+31°C	+19°C	2 m/s, SSE	0 mm	64%
3Tue	+28°C	+18°C	2 m/s, W	2.8 mm	72%
4Wed	+19°C	+17°C	2-3 m/s, WNW	3 mm	88%
5Thu	+30°C	+16°C	2-3 m/s, ENE	0 mm	77%
6Fri	+24°C	+17°C	2-3 m/s, SSE	0.5 mm	66%
7Sat	+29°C	+15°C	2-3 m/s, SE	0 mm	69%
8Sun	+21°C	+16°C	3-4 m/s, S	0 mm	74%
9Mon	+20°C	+15°C	4-5 m/s, W	1 mm	71%
10Tue	+18°C	+13°C	5-6 m/s, WSW	0.4 mm	74%
11Wed	+16°C	+9°C	5-6 m/s, W	3.4 mm	70%
12Thu	+14°C	+7°C	4-5 m/s, WNW	0.2 mm	70%
13Fri	+16°C	+7°C	3-4 m/s, N	0.5 mm	82%
14Sat	+17°C	+8°C	3-4 m/s, NNW	0 mm	64%
15Sun	+19°C	+8°C	2 m/s, NNW	0 mm	64%
16Mon	+18°C	+13°C	2-3 m/s, WNW	0.1 mm	82%
17Tue	+24°C	+13°C	4-5 m/s, NE	0 mm	67%
18Wed	+25°C	+14°C	4-6 m/s, E	0 mm	59%
19Thu	+25°C	+15°C	5-6 m/s, E	0 mm	46%
20Fri	+24°C	+13°C	3-5 m/s, ESE	0 mm	55%
21Sat	+25°C	+13°C	2-3 m/s, SE	0 mm	62%
22Sun	+26°C	+14°C	2 m/s, SSE	0 mm	60%
23Mon	+21°C	+14°C	3-4 m/s, SSW	0 mm	79%
24Tue	+18°C	+13°C	4-5 m/s, SSW	2.7 mm	77%
25Wed	+17°C	+14°C	4-5 m/s, SSW	2.6 mm	86%
26Thu	+18°C	+15°C	5-6 m/s, SW	3.3 mm	88%
27Fri	+17°C	+11°C	7-8 m/s, SW	0 mm	66%
28Sat	+14°C	+8°C	3-4 m/s, WNW	0.2 mm	78%
29Sun	+15°C	+8°C	2-4 m/s, SE	0 mm	65%
30Mon	+15°C	+8°C	5-6 m/s, S	0.4 mm	73%

Weather highs and lows in Cologne for september

Warmest day: 1 september, +31°C
Coldest night: 12 september, +7°C
Max precipitation: 11 september, 3.4 mm

Climate in Cologne in september

Year: 2024
Average daytime temperature: +21°C
Average nighttime temperature: +13°C
Precipitation (month): 21.1 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	Wind	Precip	Humidity
1Fri	+19°C	+13°C	2-3 m/s, SW	5.5 mm	90%
2Sat	+26°C	+14°C	1-2 m/s, WSW	0 mm	79%
3Sun	+24°C	+15°C	1 m/s, NNE	0 mm	75%
4Mon	+27°C	+14°C	3-4 m/s, ESE	0 mm	55%
5Tue	+29°C	+16°C	4-6 m/s, SE	0 mm	55%
6Wed	+30°C	+16°C	3-4 m/s, ESE	0 mm	54%
7Thu	+30°C	+17°C	3-4 m/s, SE	0 mm	52%
8Fri	+31°C	+16°C	2-3 m/s, SE	0 mm	50%
9Sat	+31°C	+17°C	1-2 m/s, N	0 mm	53%
10Sun	+32°C	+19°C	1 m/s, E	0 mm	56%
11Mon	+32°C	+19°C	2 m/s, SE	0 mm	52%
12Tue	+27°C	+19°C	2-4 m/s, WNW	0.3 mm	76%
13Wed	+18°C	+13°C	3 m/s, NNE	1.5 mm	80%
14Thu	+21°C	+13°C	2 m/s, ESE	0.1 mm	73%
15Fri	+25°C	+12°C	2-4 m/s, SE	0 mm	60%
16Sat	+27°C	+17°C	2 m/s, SE	0 mm	61%
17Sun	+26°C	+17°C	1-2 m/s, SSW	0.7 mm	76%
18Mon	+24°C	+18°C	5-7 m/s, SW	0 mm	68%
19Tue	+22°C	+14°C	5-6 m/s, SW	0 mm	64%
20Wed	+25°C	+16°C	4-6 m/s, SSW	0 mm	56%
21Thu	+24°C	+15°C	4 m/s, SSE	0.7 mm	70%
22Fri	+20°C	+12°C	4-5 m/s, SW	5.4 mm	72%
23Sat	+17°C	+10°C	4-5 m/s, W	0.2 mm	72%
24Sun	+21°C	+10°C	2-3 m/s, SSE	0 mm	61%
25Mon	+23°C	+10°C	3-4 m/s, SSE	0 mm	56%
26Tue	+24°C	+11°C	2 m/s, SSE	0 mm	59%
27Wed	+25°C	+13°C	2-3 m/s, SE	0 mm	58%
28Thu	+24°C	+15°C	2-3 m/s, WSW	0 mm	60%
29Fri	+24°C	+15°C	3-5 m/s, SW	0.7 mm	73%
30Sat	+20°C	+11°C	1-2 m/s, W	0 mm	72%

Weather highs and lows in Cologne for september

Warmest day: 10 september, +32°C
Coldest night: 23 september, +10°C
Max precipitation: 1 september, 5.5 mm

Climate in Cologne in september

Year: 2023
Average daytime temperature: +25°C
Average nighttime temperature: +15°C
Precipitation (month): 15.1 mm
Days with precipitation: 3
Humidity: 65%
Wind: 3 m/s

Daily air temperature for the month

Day Night

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September	Day	Night	Wind	Precip	Humidity
1Thu	+25°C	+16°C	3-5 m/s, ESE	0 mm	42%
2Fri	+26°C	+15°C	4-5 m/s, SE	0 mm	42%
3Sat	+23°C	+17°C	3-4 m/s, SSE	0.6 mm	56%
4Sun	+27°C	+16°C	1-2 m/s, SW	0 mm	64%
5Mon	+30°C	+18°C	2-3 m/s, SE	0 mm	48%
6Tue	+30°C	+17°C	2-4 m/s, S	0 mm	50%
7Wed	+26°C	+18°C	2 m/s, WSW	0 mm	59%
8Thu	+21°C	+15°C	2-3 m/s, WSW	4.5 mm	76%
9Fri	+22°C	+13°C	4-6 m/s, SW	2.6 mm	70%
10Sat	+18°C	+14°C	4-6 m/s, W	1.1 mm	86%
11Sun	+22°C	+15°C	1-2 m/s, WNW	0.1 mm	76%
12Mon	+26°C	+12°C	2-3 m/s, SE	0 mm	62%
13Tue	+22°C	+16°C	2 m/s, SE	0.4 mm	63%
14Wed	+17°C	+13°C	1-2 m/s, N	2 mm	94%
15Thu	+19°C	+13°C	2-3 m/s, NW	0 mm	77%
16Fri	+16°C	+10°C	4 m/s, WNW	0.5 mm	74%
17Sat	+15°C	+10°C	5-6 m/s, NW	0.1 mm	81%
18Sun	+14°C	+10°C	6 m/s, NW	2.8 mm	78%
19Mon	+17°C	+8°C	4 m/s, NW	0.1 mm	78%
20Tue	+16°C	+10°C	2 m/s, NNW	0.1 mm	65%
21Wed	+18°C	+8°C	1 m/s, ESE	0 mm	63%
22Thu	+20°C	+7°C	2 m/s, ESE	0 mm	53%
23Fri	+20°C	+8°C	2-3 m/s, SE	0 mm	56%
24Sat	+15°C	+11°C	2 m/s, WSW	0 mm	65%
25Sun	+17°C	+11°C	2 m/s, SSE	0 mm	77%
26Mon	+14°C	+10°C	4-6 m/s, WSW	1.5 mm	79%
27Tue	+13°C	+9°C	4-6 m/s, W	0.9 mm	86%
28Wed	+15°C	+7°C	4-6 m/s, W	0.6 mm	81%
29Thu	+14°C	+6°C	2 m/s, ESE	0 mm	77%
30Fri	+17°C	+5°C	1-2 m/s, SSE	0 mm	66%

Weather highs and lows in Cologne for september

Warmest day: 5 september, +30°C
Coldest night: 30 september, +5°C
Max precipitation: 8 september, 4.5 mm

Climate in Cologne in september

Year: 2022
Average daytime temperature: +20°C
Average nighttime temperature: +12°C
Precipitation (month): 17.9 mm
Days with precipitation: 6
Humidity: 68%
Wind: 3 m/s

Daily air temperature for the month

Day Night

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September	Day	Night	Wind	Precip	Humidity
1Wed	+21°C	+12°C	2-3 m/s, NNW	0 mm	71%
2Thu	+25°C	+12°C	2-3 m/s, ESE	0 mm	62%
3Fri	+26°C	+13°C	1 m/s, NNE	0 mm	61%
4Sat	+26°C	+13°C	1-2 m/s, NE	0 mm	60%
5Sun	+27°C	+14°C	1 m/s, ESE	0 mm	57%
6Mon	+25°C	+15°C	1-2 m/s, NW	0 mm	64%
7Tue	+27°C	+14°C	1-2 m/s, E	0 mm	54%
8Wed	+28°C	+15°C	3-4 m/s, SE	0 mm	57%
9Thu	+27°C	+16°C	2-3 m/s, WSW	0 mm	69%
10Fri	+24°C	+17°C	2 m/s, SSW	0.6 mm	80%
11Sat	+22°C	+15°C	3-5 m/s, WSW	0.1 mm	76%
12Sun	+22°C	+14°C	1 m/s, W	0 mm	67%
13Mon	+23°C	+14°C	1 m/s, N	0 mm	68%
14Tue	+21°C	+14°C	1-2 m/s, WNW	0 mm	80%
15Wed	+23°C	+16°C	2 m/s, S	3 mm	83%
16Thu	+21°C	+14°C	3-4 m/s, WNW	0.1 mm	66%
17Fri	+22°C	+12°C	1 m/s, SE	0.1 mm	73%
18Sat	+22°C	+12°C	2-3 m/s, E	0 mm	67%
19Sun	+20°C	+13°C	2-3 m/s, ESE	0 mm	72%
20Mon	+18°C	+13°C	3 m/s, ENE	0 mm	63%
21Tue	+18°C	+10°C	2 m/s, NNW	0 mm	58%
22Wed	+20°C	+9°C	1 m/s, NE	0 mm	60%
23Thu	+22°C	+10°C	3-6 m/s, W	0 mm	70%
24Fri	+21°C	+13°C	2-3 m/s, W	0.1 mm	72%
25Sat	+23°C	+13°C	1-2 m/s, WSW	0 mm	69%
26Sun	+23°C	+14°C	2 m/s, SSE	0.1 mm	69%
27Mon	+20°C	+13°C	3-4 m/s, SW	1.5 mm	78%
28Tue	+18°C	+10°C	1-2 m/s, NNW	0 mm	72%
29Wed	+15°C	+9°C	4-6 m/s, W	3.3 mm	61%
30Thu	+15°C	+8°C	5 m/s, WSW	0 mm	59%

Weather highs and lows in Cologne for september

Warmest day: 8 september, +28°C
Coldest night: 30 september, +8°C
Max precipitation: 29 september, 3.3 mm

Climate in Cologne in september

Year: 2021
Average daytime temperature: +22°C
Average nighttime temperature: +13°C
Precipitation (month): 8.9 mm
Days with precipitation: 3
Humidity: 67%
Wind: 2 m/s

Daily air temperature for the month

Day Night

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September	Day	Night	Wind	Precip	Humidity
1Tue	+19°C	+15°C	2 m/s, WSW	0.1 mm	56%
2Wed	+22°C	+14°C	1-2 m/s, ESE	0 mm	56%
3Thu	+20°C	+13°C	2-3 m/s, SW	0.2 mm	54%
4Fri	+24°C	+18°C	3-4 m/s, W	0.1 mm	75%
5Sat	+20°C	+14°C	3-4 m/s, WNW	0 mm	69%
6Sun	+19°C	+11°C	3 m/s, WNW	0 mm	62%
7Mon	+22°C	+12°C	1-2 m/s, W	0.1 mm	62%
8Tue	+24°C	+13°C	2-3 m/s, W	0 mm	57%
9Wed	+23°C	+17°C	2-3 m/s, W	0 mm	72%
10Thu	+21°C	+13°C	2-3 m/s, WSW	0.1 mm	58%
11Fri	+26°C	+14°C	1 m/s, SSW	0 mm	54%
12Sat	+23°C	+14°C	3-4 m/s, W	0 mm	56%
13Sun	+26°C	+13°C	1-2 m/s, WSW	0 mm	59%
14Mon	+29°C	+15°C	2-4 m/s, SE	0 mm	56%
15Tue	+34°C	+18°C	1-2 m/s, SE	0 mm	56%
16Wed	+30°C	+19°C	2-4 m/s, ESE	0 mm	52%
17Thu	+24°C	+14°C	3-4 m/s, NE	0 mm	57%
18Fri	+22°C	+12°C	4 m/s, ESE	0 mm	50%
19Sat	+25°C	+13°C	4 m/s, SE	0 mm	49%
20Sun	+27°C	+12°C	2 m/s, W	0 mm	48%
21Mon	+27°C	+14°C	1-2 m/s, ESE	0 mm	52%
22Tue	+27°C	+15°C	1 m/s, SSW	0 mm	50%
23Wed	+24°C	+14°C	3-4 m/s, SW	0.1 mm	54%
24Thu	+19°C	+14°C	5-6 m/s, SW	0 mm	58%
25Fri	+14°C	+9°C	5-6 m/s, SSW	0.4 mm	70%
26Sat	+14°C	+8°C	4 m/s, NW	0.7 mm	71%
27Sun	+16°C	+12°C	3-5 m/s, ENE	4.7 mm	76%
28Mon	+13°C	+11°C	2 m/s, WSW	0.5 mm	80%
29Tue	+14°C	+11°C	2-3 m/s, WSW	0.8 mm	86%
30Wed	+20°C	+12°C	3-4 m/s, SSE	0.1 mm	82%

Weather highs and lows in Cologne for september

Warmest day: 15 september, +34°C
Coldest night: 26 september, +8°C
Max precipitation: 27 september, 4.7 mm

Climate in Cologne in september

Year: 2020
Average daytime temperature: +22°C
Average nighttime temperature: +14°C
Precipitation (month): 7.9 mm
Days with precipitation: 1
Humidity: 61%
Wind: 2 m/s

Weather in Cologne in september by year

Year	Day	Night	Precipitation	Days with precipitation
2025	+21°C	+12°C	12 mm	3
2024	+21°C	+13°C	21.1 mm	7
2023	+25°C	+15°C	15.1 mm	3
2022	+20°C	+12°C	17.9 mm	6
2021	+22°C	+13°C	8.9 mm	3
2020	+22°C	+14°C	7.9 mm	1

Comparison september in Cologne with other months

Month	Day	Night	Days with precipitation	Sunny days
January	+6°C	+2°C	5	5
February	+9°C	+4°C	5	6
March	+12°C	+4°C	4	10
April	+15°C	+6°C	4	9
May	+19°C	+9°C	3	8
June	+24°C	+14°C	4	11
July	+24°C	+15°C	4	7
August	+26°C	+16°C	4	12
September	+22°C	+13°C	4	11
October	+16°C	+10°C	4	5
November	+11°C	+6°C	4	7
December	+8°C	+4°C	5	5