S
M
T
W
T
F
S
30
65°
46°
31
64°
46°
1
63°
45°
2
63°
39°
3
62°
46°
4
61°
46°
5
60°
45°
6
56°
45°
7
58°
44°
8
60°
44°
9
56°
43°
10
55°
44°
11
58°
38°
12
57°
41°
13
55°
40°
14
54°
38°
15
54°
38°
16
57°
38°
17
53°
36°
18
Hist. Avg.
54°
39°
19
Hist. Avg.
53°
39°
20
Hist. Avg.
53°
38°
21
Hist. Avg.
53°
38°
22
Hist. Avg.
52°
38°
23
Hist. Avg.
52°
38°
24
Hist. Avg.
52°
37°
25
Hist. Avg.
51°
37°
26
Hist. Avg.
51°
37°
27
Hist. Avg.
50°
36°
28
Hist. Avg.
50°
36°
29
Hist. Avg.
50°
36°
30
Hist. Avg.
49°
35°
1
Hist. Avg.
49°
35°
2
Hist. Avg.
48°
35°
3
Hist. Avg.
48°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Wasilla
Wasilla's September 2026 forecast shows daily high temperatures ranging from 53° to 65°, with overnight lows between 36° and 46°. The average high for September is 58° with an average low of 42°. 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 Wasilla. See also: October | November | December.
