S
M
T
W
T
F
S
30
82°
67°
31
82°
68°
1
83°
68°
2
82°
67°
3
81°
60°
4
80°
57°
5
79°
58°
6
80°
58°
7
83°
59°
8
85°
63°
9
85°
64°
10
82°
57°
11
78°
56°
12
78°
59°
13
79°
56°
14
77°
55°
15
76°
56°
16
75°
55°
17
76°
54°
18
77°
59°
19
79°
56°
20
77°
59°
21
80°
60°
22
80°
62°
23
82°
61°
24
77°
60°
25
76°
60°
26
76°
59°
27
77°
59°
28
81°
58°
29
81°
58°
30
79°
57°
1
79°
59°
2
81°
53°
3
80°
48°
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 75° to 85°, with overnight lows between 48° and 68°. The average high for September is 80° with an average low of 59°. 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.
