Weather in Anchorage, Alaska for September 2026
Until now, September 2026 in Anchorage has been nearly identical to the historical average, with a temperature of 13.5 °F (showing only a slight deviation of 0 °F).
Expect cooler weather in the next days in Anchorage with the forecast suggesting a temperature of 12 °F, lower than the historical average.
In general, the average temperature in Anchorage at the beginning of September is 13.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 9 °F by the end of September.
Anchorage in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 58.8 mm.
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Anchorage Weather September
Temperatures trend during September in Anchorage
September weather in Anchorage day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain shower | 14° /8° | 0.5 mm | 3 | |
| Sept. 2 | Patchy rain possible | 14° /9° | 1.5 mm | 3 | |
| Sept. 3 |  Light drizzle | 15° /10° | 2.6 mm | 3 | |
| Sept. 4 | Light rain | 14° /10° | 2.2 mm | 3 | |
| Sept. 5 | Light drizzle | 13° /9° | 3.2 mm | 3 | |
| Sept. 6 | Patchy rain possible | 13° /9° | 2.6 mm | 2 | |
| Sept. 7 | Patchy rain possible | 13° /9° | 4.4 mm | 2 | |
| Sept. 8 | Light rain | 12° /9° | 4.6 mm | 2 | |
| Sept. 9 |  Moderate rain | 13° /8° | 5.8 mm | 3 | |
| Sept. 10 |  Overcast | 13° /9° | 0 mm | 2.2 | |
| Sept. 11 | Overcast | 13° /8° | 0 mm | 2.5 | |
| Sept. 12 | Overcast | 13° /10° | 0 mm | 0.5 | |
| Sept. 13 |  Sunny | 15° /9° | 0 mm | 2.2 | |
| Sept. 14 | Overcast | 12° /7° | 1.2 mm | 3 | |
| Sept. 15 | Overcast | 14° /11° | 5.2 mm | 3 | |
| Sept. 16 | Light rain | 14° /11° | 11.1 mm | 3 | |
| Sept. 17 | Overcast | 12° /10° | 0 mm | 3 | |
| Sept. 18 | Light rain shower | 11° /10° | 34 mm | 3 | |
| Sept. 19 | Light rain shower | 12° /10° | 13.8 mm | 3 | |
| Sept. 20 | Light rain shower | 11° /8° | 6.8 mm | 3 | |
| Sept. 21 | Overcast | 9° /5° | 0 mm | 2 | |
| Sept. 22 | Overcast | 10° /4° | 0 mm | 3 | |
| Sept. 23 | Overcast | 9° /7° | 0.7 mm | 2 | |
| Sept. 24 |  Cloudy | 10° /4° | 0.6 mm | 2 | |
| Sept. 25 |  Partly cloudy | 10° /4° | 0.2 mm | 3 | |
| Sept. 26 | Cloudy | 9° /4° | 1.1 mm | 2 | |
| Sept. 27 | Overcast | 8° /4° | 0.2 mm | 2 | |
| Sept. 28 | Partly cloudy | 8° /3° | 0 mm | 3 | |
| Sept. 29 | Overcast | 9° /4° | 0 mm | 3 | |
| Sept. 30 | Patchy rain possible | 9° /4° | 0.1 mm | 2 | |
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Anchorage in September - FAQ
What are the expected maximum and minimum temperatures in Anchorage during September?
How much rainfall should be expected in Anchorage during September?
What are the typical wind conditions in Anchorage during September?
September rainfall patterns in Anchorage
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Where is Anchorage?Get accurate weather forecasts for Anchorage, located at latitude 61.218 and longitude -149.9. Stay updated with localized weather information tailored for Anchorage.