S
M
T
W
T
F
S
30
80°
62°
31
N/A
1
85°
56°
2
78°
56°
3
77°
61°
4
79°
60°
5
74°
58°
6
77°
56°
7
71°
54°
8
72°
53°
9
74°
49°
10
69°
48°
11
67°
48°
12
68°
46°
13
69°
46°
14
68°
47°
15
72°
52°
16
71°
51°
17
70°
52°
18
70°
53°
19
66°
51°
20
70°
51°
21
71°
52°
22
70°
52°
23
70°
51°
24
70°
52°
25
71°
51°
26
69°
50°
27
70°
51°
28
70°
50°
29
67°
49°
30
67°
49°
1
68°
50°
2
68°
48°
3
66°
47°
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 66° to 85°, with overnight lows between 46° and 61°. The average high for September is 71° with an average low of 52°. 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.
