Fairbanks
September
Weather in Fairbanks for September 2025
Your guide to Fairbanks weather in September - trends and predictions
In general, the average temperature in Fairbanks at the beginning of September is 14.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 5.9 °F by the end of September.
The climate of Fairbanks in September is notably wet, with an average of 12 rainy days, and a total of 40 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
12
Rainy days
0
Snow days
9°/4°
Temperatures
8 km/h
Avg max wind
83 %
Avg humidity
Fairbanks in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  12° | 2  14° | 3 16° | 4 15° | 5  18° | 6  16° | 7  13° |
| 8  10° | 9 11° | 10 13° | 11 10° | 12 12° | 13 7° | 14 12° |
| 15 10° | 16 8° | 17 8° | 18 6° | 19 6° | 20 6° | 21  3° |
| 22 6° | 23 7° | 24 6° | 25 3° | 26 3° | 27 4° | 28 8° |
| 29  8° | 30 9° |
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Temperatures trend during September in Fairbanks
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Overcast | 12° /6° | 0.4 mm | 3 | |
| Sept. 2 | Mist | 14° /4° | 0 mm | 3 | |
| Sept. 3 | Overcast | 16° /7° | 0.1 mm | 4 | |
| Sept. 4 | Overcast | 15° /5° | 0 mm | 4 | |
| Sept. 5 | Partly cloudy | 18° /8° | 0 mm | 5 | |
| Sept. 6 | Cloudy | 16° /7° | 0 mm | 4 | |
| Sept. 7 | Light rain shower | 13° /9° | 4.8 mm | 3 | |
| Sept. 8 | Light drizzle | 10° /7° | 2.8 mm | 3 | |
| Sept. 9 | Light rain shower | 11° /7° | 2 mm | 3 | |
| Sept. 10 | Light rain shower | 13° /7° | 5.5 mm | 3 | |
| Sept. 11 | Fog | 10° /5° | 0.3 mm | 3 | |
| Sept. 12 | Overcast | 12° /2° | 0.1 mm | 3 | |
| Sept. 13 | Light drizzle | 7° /6° | 4.5 mm | 2 | |
| Sept. 14 | Fog | 12° /6° | 0.2 mm | 3 | |
| Sept. 15 | Light rain shower | 10° /5° | 5.8 mm | 3 | |
| Sept. 16 | Light drizzle | 8° /4° | 1.1 mm | 2 | |
| Sept. 17 | Fog | 8° /3° | 1.7 mm | 2 | |
| Sept. 18 | Light drizzle | 6° /4° | 2 mm | 2 | |
| Sept. 19 | Light rain shower | 6° /3° | 2.6 mm | 2 | |
| Sept. 20 | Patchy rain possible | 6° /1° | 0.2 mm | 2 | |
| Sept. 21 | Light sleet | 3° /1° | 3.9 mm | 1 | |
| Sept. 22 | Patchy rain possible | 6° /1° | 0.1 mm | 2 | |
| Sept. 23 | Overcast | 7° /1° | 0 mm | 2 | |
| Sept. 24 | Overcast | 6° /2° | 0 mm | 2 | |
| Sept. 25 | Patchy rain possible | 3° /2° | 0.1 mm | 1 | |
| Sept. 26 | Fog | 3° /2° | 1.5 mm | 1 | |
| Sept. 27 | Fog | 4° /2° | 0.3 mm | 1 | |
| Sept. 28 | Mist | 8° /-1° | 0 mm | 2 | |
| Sept. 29 | Sunny | 8° /0° | 0 mm | 3 | |
| Sept. 30 | Sunny | 9° /0° | 0 mm | 3 | |
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Important Notice
Our weather forecast for Fairbanks in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Fairbanks forecast closer to your planned date for the most up-to-date weather information.
Fairbanks in September - FAQ
What are the expected maximum and minimum temperatures in Fairbanks during September?
Prepare for cooler days with highs just around 9° and colder nights, dipping below 4°.
How much rainfall should be expected in Fairbanks during September?
In September, Fairbanks can expect light to moderate rainfall, totaling 40 mm across approximately 12 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Fairbanks in September 2025?
Fairbanks typically sees 0.05 cm of snowfall during September.
What are the typical wind conditions in Fairbanks during September?
The average wind speed in Fairbanks during September is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Fairbanks
Explore the daily rainfall trends and prepare for Fairbankss September weather 💧
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