S
M
T
W
T
F
S
30
79°
62°
31
87°
68°
1
91°
64°
2
83°
64°
3
76°
60°
4
76°
65°
5
80°
57°
6
78°
47°
7
78°
56°
8
77°
67°
9
76°
54°
10
70°
45°
11
75°
56°
12
76°
54°
13
70°
53°
14
66°
51°
15
67°
47°
16
67°
49°
17
69°
49°
18
70°
48°
19
67°
47°
20
65°
39°
21
63°
51°
22
65°
50°
23
66°
51°
24
67°
51°
25
72°
50°
26
69°
50°
27
69°
49°
28
71°
52°
29
71°
52°
30
72°
53°
1
71°
49°
2
69°
46°
3
57°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cadillac
Cadillac's September 2026 forecast shows daily high temperatures ranging from 57° to 78°, with overnight lows between 39° and 67°. The average high for September is 69° with an average low of 50°. 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 Cadillac. See also: October | November | December.
