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Aug 5, 2022 · The average temperature in the southwest in September is a high of 55 and a low of 42. As a result, you can expect about 15 days of monthly rainfall. Interior Alaska (Fairbanks, North Pole, Denali Park, Tok)
- Caitlin Lloyd
- Travel Editor
September sees a wide range of temperatures across Alaska. The southern coastal regions, frequented by Alaska cruises and influenced by the milder maritime climate, typically enjoy daytime highs in the mid-50s to low 60s (°F), while evenings can cool down to the 40s.
Average daily temperatures in September; High °F Low °F Place High °C Low °C; 56: 43: Anchorage: 13: 6: 54: 33: Gulkana: 12: 1: 57: 42: Homer: 14: 6: 56: 43: Seward: 13: 6: 56: 39: Talkeetna: 13: 4: 55: 42: Valdez: 13: 5
Aug 16, 2023 · Average temperature in Anchorage, Alaska in September: 55°F (13°C) Average temperature in Fairbanks, Alaska in September: 55°F (13°C) Average temperature in Juneau, Alaska in September: 63°F (17°C)
We show the September climate in Alaska by comparing the average September weather in 3 representative places: Anchorage, Juneau International Airport, and Fairbanks. You can add or remove cities to customize the report to your liking.
September Weather in Anchorage Alaska, United States. Daily high temperatures decrease by 6°C, from 16°C to 10°C, rarely falling below 6°C or exceeding 19°C. Daily low temperatures decrease by 5°C, from 9°C to 4°C, rarely falling below -1°C or exceeding 12°C.
September Weather in Fairbanks Alaska, United States. Daily high temperatures decrease by 15°F, from 61°F to 46°F, rarely falling below 35°F or exceeding 70°F. Daily low temperatures decrease by 12°F, from 43°F to 30°F, rarely falling below 21°F or exceeding 50°F.
