S
M
T
W
T
F
S
30
84°
63°
31
82°
66°
1
88°
72°
2
91°
73°
3
88°
68°
4
81°
68°
5
77°
61°
6
77°
57°
7
79°
54°
8
82°
57°
9
84°
63°
10
79°
68°
11
81°
64°
12
81°
69°
13
82°
63°
14
76°
59°
15
84°
63°
16
84°
68°
17
83°
63°
18
75°
57°
19
69°
54°
20
66°
50°
21
68°
49°
22
70°
50°
23
72°
54°
24
74°
40°
25
69°
47°
26
71°
50°
27
75°
52°
28
75°
50°
29
69°
45°
30
74°
52°
1
74°
49°
2
68°
46°
3
72°
50°
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 66° to 84°, with overnight lows between 40° and 69°. The average high for September is 74° with an average low of 54°. 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.
