Anchorage weather in September

September in Anchorage averages 56°F by day and 43°F at night, with 3.1 inches of precipitation. It is the 5th-warmest and 1st-wettest month of the year here.

AnchorageAlaskaPop. 287,155
Average high
56°F-8° vs August
Average low
43°F3 nights below freezing
Precipitation
3.1 in8 days with 0.1 in. or more
Snow
0.4 in0 days at 90°F+

Is September a good time to visit Anchorage?

September is cool, with highs around 56°F. The most comfortable months overall are June to August.

On September 15 the sun rises at 7:27 am and sets at 8:20 pm, giving 12h 53m of daylight. Daylight all year.

What to pack for Anchorage in September

  • Long sleeves, a warm jacket and closed shoes
  • An umbrella or rain jacket

Based on 30-year averages, not a forecast. Check the forecast a few days before you go.

September nearby

CityDistanceHighLowPrecip.
Anchorage56°F43°F3.1 in
Bellingham, WA1368 mi68°F50°F2.0 in
Marysville, WA1413 mi72°F42°F2.5 in
Everett, WA1419 mi68°F52°F1.7 in
Kirkland, WA1433 mi71°F53°F1.7 in
Seattle, WA1433 mi71°F53°F1.7 in
Redmond, WA1436 mi71°F53°F1.7 in

Warmer places in September

Big cities with comfortable September highs between 68°F and 86°F:

Frequently asked questions

What is the weather like in Anchorage in September?

In September, Anchorage averages a high of 56°F and a low of 43°F, with 3.1 inches of precipitation (NOAA 1991-2020 normals).

Is September a good time to visit Anchorage?

September is cool to cold in Anchorage, with average highs of 56°F. Pack warm layers.

Does it snow in Anchorage in September?

Rarely. The September snowfall normal is under half an inch.

Before and after: Anchorage in August and Anchorage in October. All twelve months: Anchorage weather by month.

NOAA NCEI 1991-2020 climate normals, station Anchorage Intl. Airport, AK, 4.7 miles from the city center.