Weather in Köln in september
Climate normals based on 10 years of historical data for Köln, Tyskland.
Average high
21°C
Average low
12°C
Rainfall
79 mm
10 rainy days
Sunshine
3.9h/day
Luftfuktighet
68%
How Hot Is Köln in september?
Late summer in Köln: 21°C afternoons, 12°C cooler nights.
Sunshine Hours in september
Average sun and average daylight: 3.9h a day in Köln, sun up between 7:10 am and 7:45 pm.
Does It Rain In Köln In september?
September is reliably wet in Köln: 79mm in 10 days, with rain a near-daily feature.
Is Köln Humid In september?
September brings sticky conditions to Köln — humidity averages 68%, particularly noticeable in the afternoons.
Wind In Köln In september
Breezes around 14 kph in Köln this September — comfortable for outdoor activity.
Cloud Cover In Köln In september
Cloudy skies dominate Köln in September — averaging 59% cloud cover.
Cities With Similar Weather In september
Weather in Köln, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vær i januar | 6°C / 1°C | 89mm | Details → |
| Vær i februar | 8°C / 2°C | 72mm | Details → |
| Vær i mars | 11°C / 4°C | 81mm | Details → |
| Vær i april | 15°C / 6°C | 57mm | Details → |
| Vær i mai | 19°C / 9°C | 70mm | Details → |
| Vær i juni | 23°C / 14°C | 88mm | Details → |
| Vær i juli | 24°C / 15°C | 96mm | Details → |
| Vær i august | 25°C / 16°C | 80mm | Details → |
| Vær i september | 21°C / 12°C | 79mm | |
| Vær i oktober | 16°C / 9°C | 71mm | Details → |
| Vær i november | 10°C / 5°C | 85mm | Details → |
| Vær i desember | 7°C / 3°C | 87mm | Details → |