Average Precipitation for Alaska in September





The tables below give monthly averages for rainfall plus snowfall during September at cities, towns and parks in Alaska.

Each place has a total for the amount of precipitation it usually receives this month. Most sites also have information on the number of days with wet weather. That includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The precipitation totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center.

You can jump to a separate table for each region of the state: Southeast, South - Central, Southwest, Interior and Far North Alaska.

Southeast Alaska

Average monthly precipitation in September
Days Place Inches Milli­metres
19 Annette Island 9.8 249
Glacier Bay 10.8 275
Haines 4.9 125
22 Juneau 12.7 323
19 Ketchikan 13.8 350
22 Sitka 11.8 298
Wrangell 11.5 292
22 Yakutat 21.1 536

South - Central Alaska

September averages for total rainfall plus snowfall
Days Place Inches Milli­metres
15 Anchorage 3.0 76
12 Gulkana 1.6 40
16 Homer 3.3 84
17 Seward 9.9 250
17 Talkeetna 4.3 110
20 Valdez 9.6 244

Southwest Alaska

Average amount of rain and snow in September
Days Place Inches Milli­metres
18 Bethel 2.8 70
23 Cold Bay 4.7 120
18 King Salmon 3.2 81
17 Kodiak 7.4 187
14 McGrath 2.5 63
10 Port Alsworth 2.2 56
20 St Paul Island 3.0 76
18 Shemya Island 2.8 70

Interior Alaska

Precipitation totals for September
Days Place Inches Milli­metres
10 Fairbanks 1.1 28
12 McKinley Park 1.7 43
12 Tanana 1.5 39
5 Tok 0.9 22

Far North Alaska

Total precipitation during September
Days Place Inches Milli­metres
13 Barrow 0.7 18
12 Bettles 1.9 49
13 Kotzebue 1.6 40
15 Nome 2.5 62
10 Prudhoe Bay 0.6 16
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Alaska Precipitation
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