Average September Temperatures for Alaska

Average temperatures for September at communities and other locations throughout Alaska are listed below in degrees Fahrenheit and Celsius.

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

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Southeast Alaska

Average September temperatures
High °F	Low °F	Place	High °C	Low °C
61	49	Annette Island	16	10
54	43	Glacier Bay	12	6
56	44	Haines	13	7
56	44	Juneau	13	7
59	48	Ketchikan	15	9
58	49	Sitka	14	9
57	46	Skagway	14	8
58	48	Wrangell	14	9
57	42	Yakutat	14	6

South - Central Alaska

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

Southwest Alaska

September temperatures: daily averages
High °F	Low °F	Place	High °C	Low °C
53	39	Bethel	12	4
53	43	Cold Bay	12	6
56	41	King Salmon	14	5
57	44	Kodiak	14	7
54	38	McGrath	12	3
57	42	Port Alsworth	14	6
50	42	St Paul Island	10	6

Interior Alaska

Average September temperatures
High °F	Low °F	Place	High °C	Low °C
55	36	Fairbanks	13	2
51	31	McKinley Park	10	-1
52	34	Tanana	11	1
54	31	Tok	12	-1

Far North Alaska

Average September temperatures
High °F	Low °F	Place	High °C	Low °C
37	30	Barrow	3	-1
50	33	Bettles	10	0
48	39	Kotzebue	9	4
49	37	Nome	9	3

Average Temperatures for Alaska in September

Southeast Alaska

South - Central Alaska

Southwest Alaska

Interior Alaska

Far North Alaska

Reference

More Alaska Weather Information