Weather in Köln in September
In an average September, Köln sees a daily high around 19°C and a low around 11°C, based on 1980–2026 of local climate records.
| Average high | 19°C |
|---|---|
| Typical high range | 14°C to 26°C |
| Average low | 11°C |
| Typical low range | 8°C to 15°C |
| Average daily precipitation | 3 mm |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
34°C
2020-09-15
Lowest
10°C
2025-09-25
Low
Highest
20°C
2016-09-14
Lowest
3°C
2018-09-29
Feels-like
Highest
38°C
2020-09-15
Lowest
0°C
1995-09-29
Humidity
Highest
16.3 g/m³
2024-09-02
Lowest
6.0 g/m³
2002-09-24
Wind
Highest
41 km/h
1998-09-14
Lowest
4 km/h
1989-09-06
Gust
Highest
84 km/h
1998-09-14
Lowest
12 km/h
2016-09-20
Precip
Wettest
183 mm
1998
Driest
21 mm
2016
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