S
M
T
W
T
F
S
30
59°
42°
31
54°
39°
1
60°
34°
2
62°
36°
3
65°
40°
4
65°
47°
5
66°
51°
6
59°
47°
7
57°
50°
8
57°
48°
9
63°
44°
10
62°
43°
11
61°
41°
12
61°
48°
13
63°
41°
14
59°
39°
15
54°
48°
16
59°
46°
17
59°
38°
18
51°
46°
19
52°
45°
20
54°
43°
21
N/A
22
55°
35°
23
53°
32°
24
54°
30°
25
52°
37°
26
54°
41°
27
55°
34°
28
54°
38°
29
52°
35°
30
43°
35°
1
45°
31°
2
45°
34°
3
46°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Eagle River
Eagle River's September 2026 forecast shows daily high temperatures ranging from 43° to 55°, with overnight lows between 31° and 38°. The average high for September is 49° 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 Eagle River. See also: October | November | December.
