The temperatures in Uddevalla in September are usually low and can range between 10°C and 16°C.
You can expect about 3 to 8 days of rain in Uddevalla 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 Uddevalla in September 2026.
If you’re planning to visit Uddevalla in the near future, we highly recommend that you review the 14 day weather forecast for Uddevalla before you arrive.
Temperatures
16° / 10°
Rainy Days
6
Snowy Days
0
Dry Days
24
Rainfall
101
mm
Sun Hours
8.9
Hrs
