S
M
T
W
T
F
S
30
91°
64°
31
93°
64°
1
94°
67°
2
93°
68°
3
93°
67°
4
92°
68°
5
92°
68°
6
91°
62°
7
93°
60°
8
83°
63°
9
82°
66°
10
86°
65°
11
88°
66°
12
89°
65°
13
90°
63°
14
90°
56°
15
86°
55°
16
79°
54°
17
78°
55°
18
80°
57°
19
80°
54°
20
78°
54°
21
78°
55°
22
79°
56°
23
82°
61°
24
84°
61°
25
85°
60°
26
86°
61°
27
87°
58°
28
83°
56°
29
82°
55°
30
82°
54°
1
81°
55°
2
84°
57°
3
75°
49°
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 75° to 94°, with overnight lows between 49° and 68°. The average high for September is 85° with an average low of 60°. 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.
