S
M
T
W
T
F
S
30
65°
52°
31
65°
51°
1
60°
51°
2
60°
50°
3
63°
50°
4
64°
48°
5
62°
50°
6
61°
45°
7
61°
44°
8
63°
47°
9
58°
49°
10
60°
49°
11
56°
42°
12
57°
44°
13
56°
43°
14
55°
46°
15
54°
48°
16
56°
47°
17
57°
47°
18
56°
46°
19
55°
45°
20
55°
45°
21
54°
41°
22
53°
39°
23
54°
40°
24
54°
40°
25
53°
41°
26
53°
36°
27
49°
39°
28
49°
36°
29
48°
41°
30
47°
42°
1
47°
42°
2
48°
34°
3
48°
34°
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 47° to 65°, with overnight lows between 34° and 52°. The average high for September is 56° with an average low of 44°. 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.
