Alaska
September
Weather in Alaska for September 2027
Your guide to Alaska weather in September - trends and predictions
In general, the average temperature in Alaska at the beginning of September is 28.5 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 27.4 °C by the end of September.
Alaska experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 329.8 mm.
Is September a good time to visit Alaska? check out the best time to travel to Alaska page.
Temperatures
Rain 🌧️
More
1
Dry days
29
Rainy days
0
Snow days
28°/18°
Temperatures
6 km/h
Avg max wind
85 %
Avg humidity
Alaska Weather September
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Temperatures trend during September in Alaska
See the weather trend as well as the moving average line
September weather in Alaska day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 29° /17° | 7.1 mm | 6 | |
| 2 Sept. |  Patchy light rain with thunder | 26° /18° | 12.5 mm | 4 | |
| 3 Sept. | Patchy light rain with thunder | 29° /18° | 14.8 mm | 6 | |
| 4 Sept. | Patchy light rain with thunder | 30° /18° | 4.7 mm | 6 | |
| 5 Sept. | Patchy light rain with thunder | 29° /18° | 6.8 mm | 5 | |
| 6 Sept. | Light rain | 28° /18° | 7 mm | 4 | |
| 7 Sept. |  Moderate rain | 28° /17° | 10.9 mm | 5 | |
| 8 Sept. | Light rain | 28° /17° | 5.2 mm | 6 | |
| 9 Sept. | Patchy light rain with thunder | 29° /18° | 4.3 mm | 6 | |
| 10 Sept. | Light rain | 28° /18° | 5.7 mm | 6 | |
| 11 Sept. | Patchy light rain with thunder | 29° /18° | 4.8 mm | 7 | |
| 12 Sept. | Patchy light rain with thunder | 30° /18° | 5.3 mm | 5 | |
| 13 Sept. |  Moderate or heavy rain shower | 29° /17° | 7.1 mm | 6 | |
| 14 Sept. | Light rain | 27° /17° | 9.4 mm | 5 | |
| 15 Sept. | Patchy light rain with thunder | 26° /18° | 12.8 mm | 5 | |
| 16 Sept. | Patchy light rain with thunder | 27° /18° | 9.8 mm | 5 | |
| 17 Sept. | Moderate rain | 28° /17° | 11.2 mm | 5 | |
| 18 Sept. | Moderate rain | 28° /18° | 16.6 mm | 5 | |
| 19 Sept. | Moderate rain | 27° /18° | 11.9 mm | 6 | |
| 20 Sept. | Patchy light rain with thunder | 26° /17° | 15.7 mm | 5 | |
| 21 Sept. | Moderate rain | 25° /18° | 23.9 mm | 4 | |
| 22 Sept. | Moderate rain | 26° /17° | 19.4 mm | 4 | |
| 23 Sept. | Moderate rain | 26° /18° | 24.1 mm | 5 | |
| 24 Sept. | Moderate rain | 26° /17° | 13.5 mm | 5 | |
| 25 Sept. | Light rain | 28° /17° | 5.2 mm | 5 | |
| 26 Sept. | Light rain | 28° /18° | 6.7 mm | 5 | |
| 27 Sept. | Light rain | 27° /18° | 9.4 mm | 5 | |
| 28 Sept. | Patchy light rain with thunder | 28° /18° | 16.7 mm | 5 | |
| 29 Sept. | Moderate rain | 27° /18° | 10.8 mm | 5 | |
| 30 Sept. | Moderate rain | 27° /17° | 16.5 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Alaska 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 Alaska forecast closer to your planned date for the most up-to-date weather information.
Change Month
Alaska in September - FAQ
What are the expected maximum and minimum temperatures in Alaska during September?
During September, expect a variety of temperatures with highs around 28° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Alaska during September?
Significant rainfall exceeding 329.8 mm is expected in Alaska during September, occurring over more than 29 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Alaska during September?
The average wind speed in Alaska during September is 6 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Alaska
Explore the daily rainfall trends and prepare for Alaskas September weather 💧
Typically, Alaska has 29 rainy days in September with a total of 329.8 mm of rainfall.
UV exposure in Alaska during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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