S
M
T
W
T
F
S
30
58°
41°
31
58°
40°
1
57°
36°
2
62°
37°
3
64°
41°
4
63°
52°
5
67°
52°
6
58°
48°
7
56°
52°
8
59°
52°
9
63°
46°
10
61°
45°
11
60°
42°
12
63°
48°
13
60°
42°
14
58°
43°
15
62°
49°
16
61°
45°
17
56°
45°
18
54°
43°
19
54°
45°
20
53°
43°
21
51°
42°
22
50°
41°
23
51°
40°
24
49°
44°
25
51°
42°
26
52°
43°
27
53°
42°
28
57°
39°
29
48°
36°
30
49°
35°
1
46°
34°
2
45°
33°
3
44°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Anchorage
Anchorage's September 2026 forecast shows daily high temperatures ranging from 44° to 62°, with overnight lows between 32° and 49°. The average high for September is 52° with an average low of 41°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Anchorage. See also: October | November | December.
