The temperatures in Rastatt 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 Rastatt 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 Rastatt in September 2026.
If you’re planning to visit Rastatt in the near future, we highly recommend that you review the 14 day weather forecast for Rastatt before you arrive.
Temperatures
21° / 11°
Rainy Days
3
Snowy Days
0
Dry Days
27
Rainfall
56
mm
Sun Hours
10.6
Hrs
