S
M
T
W
T
F
S
30
76°
55°
31
74°
56°
1
74°
53°
2
75°
57°
3
80°
60°
4
84°
61°
5
77°
58°
6
83°
59°
7
81°
56°
8
74°
59°
9
74°
51°
10
75°
56°
11
78°
57°
12
79°
56°
13
73°
55°
14
76°
61°
15
80°
59°
16
81°
48°
17
78°
47°
18
70°
45°
19
68°
46°
20
69°
47°
21
70°
49°
22
77°
57°
23
78°
54°
24
77°
46°
25
69°
43°
26
68°
45°
27
66°
45°
28
65°
43°
29
66°
45°
30
71°
53°
1
71°
43°
2
Hist. Avg.
68°
41°
3
Hist. Avg.
68°
41°
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 65° to 84°, with overnight lows between 43° and 61°. The average high for September is 74° with an average low of 52°. 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.
