North Slope Borough (Wainwright)
September
Weather in North Slope Borough for September 2025
Your guide to North Slope Borough weather in September - trends and predictions
North Slope Borough typically experiences moderate snowfall in September, with an average of 9 snowy days.
In general, the average temperature in North Slope Borough at the beginning of September is 8.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 1.4 °F by the end of September.
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Snow Forecast ❄️
Temperatures
More
9
Dry days
12
Rainy days
9
Snow days
5°/2°
Temperatures
18 km/h
Avg max wind
83 %
Avg humidity
North Slope Borough in September average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  4° | 2 10° | 3  8° | 4  11° | 5 12° | 6 4° | |
| 7 8° | 8 8° | 9 10° | 10 9° | 11 8° | 12  5° | 13 5° |
| 14 8° | 15 4° | 16 3° | 17 3° | 18 4° | 19 2° | 20  2° |
| 21 0° | 22 1° | 23  1° | 24  1° | 25 1° | 26 0° | 27  0° |
| 28 1° | 29  2° | 30  5° |
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Temperatures trend during September in North Slope Borough
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Sept. 1 | Overcast | 4° /1° | 0 mm | 0 cm | |
| Sept. 2 | Overcast | 10° /1° | 3.4 mm | 0 cm | |
| Sept. 3 | Light rain | 8° /5° | 6.2 mm | 0 cm | |
| Sept. 4 | Patchy rain possible | 11° /6° | 0.4 mm | 0 cm | |
| Sept. 5 | Overcast | 12° /6° | 0.5 mm | 0 cm | |
| Sept. 6 | Patchy rain possible | 4° /2° | 1.3 mm | 0 cm | |
| Sept. 7 | Patchy rain possible | 8° /1° | 0.1 mm | 0 cm | |
| Sept. 8 | Light drizzle | 8° /4° | 1.9 mm | 0 cm | |
| Sept. 9 | Patchy rain possible | 10° /6° | 0.9 mm | 0 cm | |
| Sept. 10 | Patchy rain possible | 9° /7° | 0.6 mm | 0 cm | |
| Sept. 11 | Light drizzle | 8° /3° | 1.5 mm | 0 cm | |
| Sept. 12 | Fog | 5° /2° | 0 mm | 0 cm | |
| Sept. 13 | Patchy rain possible | 5° /2° | 1.5 mm | 0 cm | |
| Sept. 14 | Overcast | 8° /2° | 0.1 mm | 0 cm | |
| Sept. 15 | Overcast | 4° /2° | 0.1 mm | 0 cm | |
| Sept. 16 | Light drizzle | 3° /2° | 1.4 mm | 0 cm | |
| Sept. 17 | Overcast | 3° /1° | 0 mm | 0 cm | |
| Sept. 18 | Light drizzle | 4° /3° | 3.7 mm | 0 cm | |
| Sept. 19 | Patchy rain possible | 2° /0° | 0.2 mm | 0.1 cm | |
| Sept. 20 | Light snow showers | 2° /0° | 0.5 mm | 0.3 cm | |
| Sept. 21 | Light snow showers | 0° /0° | 0.3 mm | 0.1 cm | |
| Sept. 22 | Light snow showers | 1° /-1° | 0.3 mm | 0.1 cm | |
| Sept. 23 | Light snow | 1° /0° | 0.5 mm | 0.2 cm | |
| Sept. 24 | Moderate or heavy snow showers | 1° /0° | 2.5 mm | 1.6 cm | |
| Sept. 25 | Light snow showers | 1° /0° | 0.6 mm | 0.4 cm | |
| Sept. 26 | Light snow showers | 0° /0° | 0.5 mm | 0.3 cm | |
| Sept. 27 | Light freezing rain | 0° /-1° | 0.1 mm | 0 cm | |
| Sept. 28 | Light snow showers | 1° /-1° | 0.3 mm | 0.2 cm | |
| Sept. 29 | Cloudy | 2° /-1° | 0 mm | 0 cm | |
| Sept. 30 | Partly cloudy | 5° /0° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for North Slope Borough 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 North Slope Borough forecast closer to your planned date for the most up-to-date weather information.
North Slope Borough in September - FAQ
What are the expected maximum and minimum temperatures in North Slope Borough during September?
During September, expect a variety of temperatures with highs around 5° and lows near 2°, suitable for diverse activities and preferences.
How much rainfall should be expected in North Slope Borough during September?
In September, North Slope Borough can expect light to moderate rainfall, totaling 29.5 mm across approximately 12 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in North Slope Borough in September 2025?
North Slope Borough experiences an average snowfall of 3.3 cm during September, occurring over 9 days.
What are the typical wind conditions in North Slope Borough during September?
The average wind speed in North Slope Borough during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
North Slope Borough snow forecast September 2025
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September rainfall patterns in North Slope Borough
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