S
M
T
W
T
F
S
30
68°
61°
31
79°
63°
1
89°
56°
2
81°
55°
3
79°
52°
4
66°
59°
5
76°
52°
6
76°
56°
7
76°
58°
8
67°
61°
9
71°
50°
10
66°
46°
11
77°
53°
12
71°
48°
13
64°
46°
14
63°
45°
15
65°
46°
16
66°
46°
17
68°
46°
18
68°
47°
19
67°
43°
20
70°
50°
21
61°
48°
22
65°
48°
23
68°
49°
24
69°
49°
25
69°
48°
26
63°
48°
27
67°
49°
28
69°
49°
29
67°
48°
30
66°
49°
1
65°
45°
2
65°
43°
3
55°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ishpeming
Ishpeming's September 2026 forecast shows daily high temperatures ranging from 55° to 77°, with overnight lows between 41° and 61°. The average high for September is 67° with an average low of 48°. 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 Ishpeming. See also: October | November | December.
