S
M
T
W
T
F
S
30
74°
50°
31
72°
47°
1
74°
48°
2
74°
54°
3
77°
60°
4
74°
60°
5
69°
56°
6
72°
53°
7
78°
49°
8
70°
48°
9
69°
48°
10
70°
56°
11
66°
48°
12
73°
46°
13
75°
58°
14
65°
44°
15
64°
39°
16
74°
57°
17
70°
52°
18
65°
48°
19
60°
42°
20
60°
46°
21
58°
45°
22
63°
43°
23
65°
41°
24
69°
46°
25
71°
49°
26
69°
52°
27
67°
48°
28
61°
50°
29
63°
48°
30
69°
52°
1
68°
53°
2
67°
51°
3
64°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Nicolet
Nicolet's September 2026 forecast shows daily high temperatures ranging from 61° to 71°, with overnight lows between 46° and 53°. The average high for September is 67° with an average low of 50°. 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 Nicolet. See also: October | November | December.
