World Resorts USA Anchorage Weather

Anchorage weather in September

Weather in Anchorage: September

Average day temperature: 51.0°F
Average night temperature: 46.8°F
Sea water temperature: 53.0°F
Number of sunny days: 3 days
Day length: 11.5 - 14.2 hours
Number of rainy days: 2 days
Precipitation totals: 1.0 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 59°F. At the same time the lowest night temperature was 38°F. Daily and nightly averages during September were 52.1°F and 47.6°F.

Sea water temperature in Anchorage in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 52.9°F. The highest and lowest sea temperatures during the month were 54.1°F and 49.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Anchorage in September is 1.0 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 4.8 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 3.5.

Best time for vacation in Anchorage

Sunniest months:
December 8 days
November 8 days
January 6 days
Warmest months:
July 59.1 °F
August 58.3 °F
June 56.2 °F
Warmest sea temp:
August 57.3 °F
July 56.9 °F
June 53.4 °F
Coldest months:
January 15.5 °F
December 15.8 °F
February 20.0 °F
Rainiest months:
August 3 days
September 2 days
October 2 days
Windiest months:
November 5.9 mph
October 5.6 mph
January 5.2 mph

Anchorage on a weather map

Anchorage
+41°F
S 6 mph
Feels like: +37°F
Precip.: 31%
Places in USA:
Name
°F
+55°F
+61°F
+77°F
+82°F
+88°F
+84°F
+70°F
+70°F
+59°F
+82°F
+66°F
+82°F
+79°F
+64°F
24 Hours Forecast
Anchorage
Local time: 18:32
October 04, sunday
2100
41°F
S
5 mph
October 05, monday
0000
41°F
SW
5 mph
0300
43°F
S
2 mph
0600
43°F
SW
6 mph
0900
43°F
SW
4 mph
1200
46°F
S
5 mph
1500
46°F
S
5 mph
1800
45°F
S
6 mph
Units of measurement: °C / °F