The temperatures in Mulhouse in September are comfortable with low of 11°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Mulhouse during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Mulhouse in September 2026.
If you’re planning to visit Mulhouse in the near future, we highly recommend that you review the 14 day weather forecast for Mulhouse before you arrive.
Temperatures
21° / 11°
Rainy Days
5
Snowy Days
0
Dry Days
25
Rainfall
77
mm
Sun Hours
10.8
Hrs
