Weather in Basel in September
Basel temperatures in September range from 10 to 21 and there is an average of 22 days of rain.
Avg Temp
10° - 21°
Avg Rainy Days
22
Avg Dry Days
8
Avg Snow Days
0
Weather Facts - Basel in September
* The warmest temperature recorded in in September is 31°C
* The coldest temperature recorded in Basel in September is 1°C
* The average rainfall in Basel in September is 68 mm