Fairbanks weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Fair
Best time to visit: May – August
What is the weather like in Fairbanks in September?
In September, Fairbanks is cool: daytime highs average 13 °C, and nights cool down to about 3 °C. Expect around 5.3 hours of sunshine a day. Rain falls on about 8 days, adding up to 37 mm. All in all, September is a so-so month for a holiday in Fairbanks.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 77 | 54 | 29 |
| Day | 19° | 13° | 1° |
| Night | 9° | 3° | −7° |
| Sun | 6.6 h | 5.3 h | 3.8 h |
| Rain days | 11 | 8 | 6 |
More details for September
- Daylight
- 13 h 13 min07:10 – 20:23
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 12 km/haverage daily peakAll months
- Cloud cover
- 70 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 1 day1 cm or more of fresh snowAll months
- Time zone
- UTC−8offset from UTC
How the score comes together
- Temperatureweight 50 %52 %
- Sunshineweight 20 %38 %
- Few rainy daysweight 30 %69 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- A jumper for the evenings
- Rain jacket or umbrella
Fairbanks in September: quick answers
Is Fairbanks hot in September?
No. In September, Fairbanks is cool: daytime highs average 13 °C and nights drop to about 3 °C.
Does it rain much in Fairbanks in September?
Rain falls on about 8 days, adding up to 37 mm.
Fairbanks month by month
The whole year in FairbanksAll destinations: USAWhere to go in September
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences