S
M
T
W
T
F
S
31
70°
53°
1
80°
59°
2
79°
58°
3
64°
45°
4
58°
40°
5
53°
47°
6
58°
45°
7
55°
41°
8
67°
40°
9
61°
56°
10
61°
56°
11
62°
52°
12
73°
48°
13
76°
60°
14
70°
58°
15
81°
59°
16
83°
59°
17
78°
59°
18
63°
56°
19
67°
53°
20
70°
56°
21
73°
59°
22
68°
60°
23
63°
60°
24
61°
57°
25
74°
56°
26
61°
42°
27
71°
44°
28
77°
43°
29
80°
47°
30
74°
49°
1
69°
53°
2
75°
55°
3
76°
59°
4
86°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Munising
Munising's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.
