S
M
T
W
T
F
S
30
72°
52°
31
73°
53°
1
75°
55°
2
76°
54°
3
76°
54°
4
75°
53°
5
71°
53°
6
73°
52°
7
71°
52°
8
74°
53°
9
73°
55°
10
74°
54°
11
75°
54°
12
74°
52°
13
73°
50°
14
71°
50°
15
65°
49°
16
68°
49°
17
66°
48°
18
67°
41°
19
64°
45°
20
60°
44°
21
68°
39°
22
62°
43°
23
62°
45°
24
65°
46°
25
65°
47°
26
66°
48°
27
65°
48°
28
64°
47°
29
62°
46°
30
61°
37°
1
60°
37°
2
55°
35°
3
52°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Negaunee Township
Negaunee Township's September 2026 forecast shows daily high temperatures ranging from 52° to 76°, with overnight lows between 35° and 55°. The average high for September is 68° 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 Negaunee Township. See also: October | November | December.