S
M
T
W
T
F
S
30
52°
43°
31
51°
35°
1
54°
36°
2
54°
46°
3
55°
52°
4
61°
50°
5
58°
45°
6
56°
47°
7
58°
44°
8
57°
43°
9
56°
42°
10
57°
40°
11
52°
42°
12
55°
40°
13
53°
41°
14
52°
37°
15
51°
37°
16
49°
37°
17
46°
36°
18
46°
35°
19
45°
33°
20
44°
32°
21
44°
33°
22
46°
33°
23
42°
34°
24
42°
29°
25
41°
26°
26
40°
26°
27
39°
25°
28
39°
25°
29
37°
24°
30
37°
24°
1
38°
25°
2
42°
29°
3
43°
27°
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 37° to 61°, with overnight lows between 24° and 52°. The average high for September is 48° with an average low of 36°. 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.
