S
M
T
W
T
F
S
30
74°
54°
31
76°
54°
1
69°
50°
2
74°
55°
3
79°
53°
4
76°
47°
5
72°
44°
6
72°
43°
7
73°
52°
8
76°
47°
9
76°
43°
10
67°
41°
11
65°
42°
12
65°
42°
13
66°
41°
14
65°
38°
15
62°
39°
16
62°
39°
17
61°
37°
18
61°
39°
19
62°
39°
20
62°
40°
21
66°
43°
22
68°
48°
23
68°
38°
24
69°
48°
25
66°
43°
26
67°
36°
27
58°
41°
28
58°
45°
29
57°
41°
30
58°
42°
1
59°
38°
2
57°
38°
3
56°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Calumet
Calumet's September 2026 forecast shows daily high temperatures ranging from 56° to 79°, with overnight lows between 36° and 55°. The average high for September is 66° with an average low of 44°. 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 Calumet. See also: October | November | December.
