S
M
T
W
T
F
S
30
74°
56°
31
77°
55°
1
77°
53°
2
76°
46°
3
67°
50°
4
70°
54°
5
66°
50°
6
73°
45°
7
69°
43°
8
66°
44°
9
65°
50°
10
68°
52°
11
72°
53°
12
71°
48°
13
71°
44°
14
64°
43°
15
61°
42°
16
62°
42°
17
63°
45°
18
67°
41°
19
62°
38°
20
59°
41°
21
60°
49°
22
64°
45°
23
69°
43°
24
65°
49°
25
67°
49°
26
62°
47°
27
68°
39°
28
64°
38°
29
55°
42°
30
55°
45°
1
60°
40°
2
61°
46°
3
Hist. Avg.
62°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lake Nebagamon
Lake Nebagamon's September 2026 forecast shows daily high temperatures ranging from 55° to 77°, with overnight lows between 38° and 56°. The average high for September is 66° 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 Lake Nebagamon. See also: October | November | December.
