S
M
T
W
T
F
S
30
60°
37°
31
62°
38°
1
60°
32°
2
67°
37°
3
68°
35°
4
67°
42°
5
66°
43°
6
64°
38°
7
53°
33°
8
53°
26°
9
50°
25°
10
49°
25°
11
48°
24°
12
48°
24°
13
49°
25°
14
49°
24°
15
50°
25°
16
49°
30°
17
50°
27°
18
52°
28°
19
50°
27°
20
46°
28°
21
46°
28°
22
53°
29°
23
53°
32°
24
56°
33°
25
55°
32°
26
52°
30°
27
52°
28°
28
50°
29°
29
47°
27°
30
48°
26°
1
48°
31°
2
43°
31°
3
49°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Eagle
Eagle's September 2026 forecast shows daily high temperatures ranging from 43° to 68°, with overnight lows between 24° and 43°. The average high for September is 53° with an average low of 30°. 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. See also: October | November | December.