S
M
T
W
T
F
S
30
72°
48°
31
75°
49°
1
70°
50°
2
70°
51°
3
71°
51°
4
72°
50°
5
72°
51°
6
71°
51°
7
74°
50°
8
72°
46°
9
72°
44°
10
68°
45°
11
65°
45°
12
70°
47°
13
69°
45°
14
67°
46°
15
65°
47°
16
69°
43°
17
69°
43°
18
66°
44°
19
63°
44°
20
64°
46°
21
67°
46°
22
67°
43°
23
65°
42°
24
65°
45°
25
64°
46°
26
65°
46°
27
65°
44°
28
66°
38°
29
66°
38°
30
58°
40°
1
60°
44°
2
62°
42°
3
61°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cap Le Moine
Cap Le Moine's September 2026 forecast shows daily high temperatures ranging from 58° to 75°, with overnight lows between 38° and 51°. The average high for September is 67° with an average low of 45°. 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 Cap Le Moine. See also: October | November | December.
