S
M
T
W
T
F
S
30
60°
43°
31
59°
42°
1
54°
42°
2
52°
43°
3
52°
42°
4
53°
41°
5
53°
44°
6
54°
42°
7
54°
41°
8
52°
45°
9
52°
45°
10
53°
44°
11
56°
45°
12
54°
45°
13
56°
44°
14
55°
43°
15
53°
42°
16
54°
43°
17
54°
43°
18
53°
42°
19
55°
42°
20
54°
41°
21
54°
41°
22
52°
40°
23
53°
33°
24
52°
35°
25
49°
34°
26
46°
33°
27
45°
33°
28
44°
34°
29
45°
35°
30
46°
33°
1
45°
36°
2
49°
37°
3
48°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chefornak
Chefornak's September 2026 forecast shows daily high temperatures ranging from 44° to 60°, with overnight lows between 33° and 45°. The average high for September is 52° with an average low of 40°. 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 Chefornak. See also: October | November | December.
