S
M
T
W
T
F
S
30
70°
64°
31
82°
65°
1
90°
62°
2
75°
59°
3
71°
53°
4
72°
59°
5
70°
53°
6
71°
49°
7
82°
58°
8
72°
64°
9
81°
64°
10
66°
53°
11
80°
53°
12
76°
60°
13
62°
49°
14
68°
43°
15
75°
57°
16
64°
44°
17
69°
50°
18
62°
45°
19
67°
39°
20
59°
45°
21
56°
38°
22
61°
37°
23
69°
36°
24
71°
41°
25
68°
49°
26
64°
44°
27
68°
43°
28
65°
48°
29
76°
45°
30
73°
60°
1
66°
57°
2
56°
40°
3
60°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Munising
Munising's September 2026 forecast shows daily high temperatures ranging from 56° to 60°, with overnight lows between 40° and 52°. The average high for September is 58° with an average low of 46°. 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 Munising. See also: October | November | December.
