S
M
T
W
T
F
S
30
79°
69°
31
90°
69°
1
83°
72°
2
77°
65°
3
79°
67°
4
76°
68°
5
74°
62°
6
73°
57°
7
77°
55°
8
72°
61°
9
84°
64°
10
76°
57°
11
74°
57°
12
78°
60°
13
68°
51°
14
68°
42°
15
76°
59°
16
68°
52°
17
68°
56°
18
64°
55°
19
61°
58°
20
63°
53°
21
61°
51°
22
61°
50°
23
64°
50°
24
66°
48°
25
67°
47°
26
64°
43°
27
68°
42°
28
71°
50°
29
69°
47°
30
68°
61°
1
66°
55°
2
64°
43°
3
63°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Manitowoc
Manitowoc's September 2026 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 Manitowoc. See also: October | November | December.
