S
M
T
W
T
F
S
30
64°
52°
31
61°
49°
1
60°
50°
2
63°
52°
3
65°
52°
4
63°
53°
5
62°
53°
6
61°
49°
7
66°
53°
8
67°
55°
9
68°
55°
10
68°
54°
11
67°
55°
12
66°
54°
13
67°
55°
14
63°
52°
15
61°
53°
16
64°
54°
17
67°
53°
18
68°
54°
19
67°
53°
20
67°
54°
21
66°
53°
22
67°
53°
23
66°
52°
24
64°
53°
25
66°
52°
26
67°
53°
27
66°
52°
28
63°
52°
29
61°
51°
30
64°
51°
1
61°
45°
2
60°
43°
3
59°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Brainard
Brainard's September 2026 forecast shows daily high temperatures ranging from 59° to 68°, with overnight lows between 43° and 55°. The average high for September is 64° 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 Brainard. See also: October | November | December.
