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Fairbanks in September: weather & travel advice
This month's data profile
Rain shapes the decision
Fairbanks in September is climatically mixed. The average daily high is around 9 °C. With about 13 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
35/100 · #8
Warmth
#5
Dryness
#9
Sun
#7
Published best categories: none
Fairbanks · SeptemberPhoto: Brady Riemenschneider · CC BY 2.0Climate facts
- Average high
- 9 °C
- Average low
- 2 °C
- Rainy days (est.)
- 13 rainy days (est.)
- Sun (est.)
- 3 h/day
- Humidity
- 86 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| August | 16 | 8 | 16 | 95 | 4.4 | 82 | 1.3 | 46 |
| September (selected) | 9 | 2 | 13 | 59 | 2.8 | 86 | 1.3 | 35 |
| October | -2 | -8 | 11 | 41 | 1.1 | 92 | 1.6 | 30 |
How do the previous and next months compare?
Baseline: September (35/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| August | +11 | +6.2 °C | +5.8 °C | +3.9 | +36.1 mm | +1.6 h | -3.8 % | -0.1 m/s |
| October | -5 | -11 °C | -9.4 °C | -1.8 | -17.9 mm | -1.7 h | +6.7 % | +0.3 m/s |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Fairbanks in September?
The average daily high is around 9 °C, with an average daily low of about 2 °C.
Does it rain a lot in Fairbanks in September?
The curated estimate is about 13 rainy days per month, not a directly measured long-term average. Total precipitation averages around 59 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Fairbanks?
No month in Fairbanks reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.