The temperatures in Hammerfest in September are quite cold with temperatures between 7°C and 10°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Hammerfest 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.
Please note that Hammerfest can expect a few days of snow in September.
Our weather forecast can give you a great sense of what weather to expect in Hammerfest in September 2026.
If you’re planning to visit Hammerfest in the near future, we highly recommend that you review the 14 day weather forecast for Hammerfest before you arrive.
Temperatures
10° / 7°
Rainy Days
7
Snowy Days
1
Dry Days
21
Rainfall
74
mm
Sun Hours
7.1
Hrs
