S
M
T
W
T
F
S
30
69°
56°
31
73°
63°
1
83°
55°
2
76°
53°
3
76°
50°
4
66°
60°
5
75°
56°
6
75°
54°
7
81°
60°
8
68°
62°
9
67°
53°
10
64°
53°
11
77°
61°
12
68°
50°
13
60°
52°
14
61°
55°
15
60°
51°
16
62°
53°
17
62°
51°
18
60°
52°
19
62°
50°
20
60°
51°
21
59°
48°
22
63°
53°
23
66°
55°
24
66°
54°
25
64°
53°
26
60°
53°
27
63°
54°
28
66°
54°
29
63°
53°
30
64°
53°
1
61°
50°
2
61°
48°
3
51°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Eagle River
Eagle River's September 2026 forecast shows daily high temperatures ranging from 51° to 77°, with overnight lows between 46° and 62°. The average high for September is 63° with an average low of 53°. 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.
