The temperatures in Koppang in September are quite cold with temperatures between 5°C and 13°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Koppang. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Koppang in September 2026.
If you’re planning to visit Koppang in the near future, we highly recommend that you review the 14 day weather forecast for Koppang before you arrive.
Temperatures
13° / 5°
Rainy Days
8
Snowy Days
0
Dry Days
22
Rainfall
96
mm
Sun Hours
4.5
Hrs
