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Alaska United States of America
Precipitation in September
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September Rainfall Precipitation in Alaska

Alaska is a region in the United States of America. In September precipitation ranges from moderate in Point Barrow with 32 mm of snow/rainfall to heavy in Glacier Bay National Park and Preserve with 470 mm of rainfall. It is the wettest month of the year.

Where and how much does it rain in Alaska in September?

Find the average total precipitation in September for the most popular destinations in Alaska on the map below. Click on a destination dot for more detailed information.

Weather conditions Weather
Temperatures
Precipitation
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Legend heavy rainfall high moderate low almost none
Heavy rainfall has been defined as more than 160 mm precipitation. High: 90 mm to 160 mm. Moderate: 30 mm to 90 mm. Low: 5 mm to 30 mm.

  • How much rainfall does Alaska receive in September?
    • With an average precipitation of 131 mm, Anchorage sees a good amount of rain in September. Unpredictable weather changes are a common sight. Looking at the climate data spanning the last 30 years, this month sees the heaviest rainfall of the year in Anchorage.

  • What is the wettest city in September in Alaska?
    • According to our data the wettest location is Glacier Bay National Park and Preserve with an average precipitation of 470 mm.

  • What is the driest city in September in Alaska?
    • Our figures indicate that Point Barrow receives the least rainfall, averaging just 32 mm.

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