The temperatures in Nurmijarvi in September are usually low and can range between 11°C and 15°C.
You can expect about 3 to 8 days of rain in Nurmijarvi 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 Nurmijarvi in September 2025.
If you’re planning to visit Nurmijarvi in the near future, we highly recommend that you review the 14 day weather forecast for Nurmijarvi before you arrive.
Temperatures
15° / 11°
Rainy Days
7
Snowy Days
0
Dry Days
23
Rainfall
94
mm
Sun Hours
8.9
Hrs