The weather in Fairbanks in September is very cold with temperatures between 3°C and 11°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Fairbanks 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 Fairbanks can expect a few days of snow in September.
Our weather forecast can give you a great sense of what weather to expect in Fairbanks in September 2025.
If you’re planning to visit Fairbanks in the near future, we highly recommend that you review the 14 day weather forecast for Fairbanks before you arrive.
Temperatures
11° / 3°
Rainy Days
5
Snowy Days
2
Dry Days
22
Rainfall
71
mm
Sun Hours
8.7
Hrs
