The climate in Würselen during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Würselen and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 9°C (49°F) is normal.
| Daytime temperature | 18.9°C 65.9°F | 
|---|---|
| Nightly temperature | 9.4°C 48.8°F | 
| Average temperature | 14.1°C 57.4°F | 
| Daily sunshine | 5 hrs | 
| Avg rainfall | 71 mm 2.8 ins | 
| Rainy days | 16 days | 
| Sea temperature | 18.5°C 65.3°F | 
| Humidity | 81% | 
| Windspeed | 12.6kph 8 mph | 
On average September is the 2nd driest month of the year in Würselen with around 71mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
 
				 
						 
						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 Würselen in September 2025.
Best places to visit in September
| Hottest month: | July | 21.9°C 71.4°F | 
|---|---|---|
| Driest month: | February | 68mm 2.7ins | 
| Sunniest month: | August | 6.4hrs | 
| Coldest month: | January | 3.8°C 38.8°F | 
| Wettest month: | July | 96mm 3.8ins | 
 
	 
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