The temperatures in Deventer in September are usually low and can range between 11°C and 19°C.
You can expect about 3 to 8 days of rain in Deventer 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 Deventer in September 2025.
If you’re planning to visit Deventer in the near future, we highly recommend that you review the 14 day weather forecast for Deventer before you arrive.
Temperatures
19° / 11°
Rainy Days
5
Snowy Days
0
Dry Days
25
Rainfall
78
mm
Sun Hours
9.3
Hrs
