S
M
T
W
T
F
S
31
73°
44°
1
74°
46°
2
78°
50°
3
78°
48°
4
80°
45°
5
78°
56°
6
73°
54°
7
68°
47°
8
65°
38°
9
71°
39°
10
71°
40°
11
74°
40°
12
70°
43°
13
72°
43°
14
76°
49°
15
75°
45°
16
78°
47°
17
73°
47°
18
79°
47°
19
65°
41°
20
62°
34°
21
71°
30°
22
75°
40°
23
65°
56°
24
67°
58°
25
63°
58°
26
75°
56°
27
72°
51°
28
79°
49°
29
78°
42°
30
70°
40°
1
61°
33°
2
63°
31°
3
73°
32°
4
77°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Brookfield
Brookfield's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Brookfield. See also: October | November | December.
