S
M
T
W
T
F
S
30
55°
46°
31
56°
40°
1
55°
38°
2
53°
38°
3
53°
37°
4
52°
37°
5
52°
38°
6
51°
36°
7
50°
36°
8
50°
35°
9
51°
35°
10
50°
36°
11
51°
35°
12
50°
34°
13
48°
34°
14
48°
35°
15
47°
35°
16
48°
34°
17
46°
32°
18
44°
33°
19
45°
31°
20
44°
30°
21
44°
33°
22
45°
31°
23
44°
34°
24
43°
29°
25
43°
29°
26
42°
25°
27
43°
36°
28
45°
35°
29
47°
34°
30
47°
33°
1
46°
34°
2
46°
32°
3
47°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Iditarod
Iditarod's September 2026 forecast shows daily high temperatures ranging from 42° to 56°, with overnight lows between 25° and 46°. The average high for September is 48° with an average low of 34°. 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 Iditarod. See also: October | November | December.
