Langenfeld Weather in September
What's the weather like in Langenfeld (North Rhine-Westphalia) in September 2025?
The climate in Langenfeld during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Langenfeld and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 11°C (52°F) is normal.
| Daytime temperature | 19.5°C 67.1°F |
|---|---|
| Nightly temperature | 10.9°C 51.6°F |
| Average temperature | 15.2°C 59.4°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 69 mm 2.7 ins |
| Rainy days | 15 days |
| Sea temperature | 17.8°C 64.1°F |
| Humidity | 78% |
| Windspeed | 10.8kph 7 mph |
On average September is the 6th wettest month of the year in Langenfeld with around 69mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
September temperatures in Langenfeld
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Langenfeld in September 2025.
Other monthly averages
Best places to visit in September
Langenfeld weather stats
| Hottest month: | July | 22.6°C 72.7°F |
|---|---|---|
| Driest month: | February | 51mm 2ins |
| Sunniest month: | August | 6.6hrs |
| Coldest month: | January | 4.3°C 39.7°F |
| Wettest month: | June | 86mm 3.4ins |
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