The temperatures in Mortsel in September are usually low and can range between 12°C and 20°C.
The wather in Mortsel in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Mortsel in September 2025.
If you’re planning to visit Mortsel in the near future, we highly recommend that you review the 14 day weather forecast for Mortsel before you arrive.
Temperatures
20° / 12°
Rainy Days
2
Snowy Days
0
Dry Days
28
Rainfall
25
mm
Sun Hours
9.5
Hrs
