S
M
T
W
T
F
S
30
81°
59°
31
79°
58°
1
78°
57°
2
79°
59°
3
81°
58°
4
79°
57°
5
77°
57°
6
78°
56°
7
79°
55°
8
72°
54°
9
76°
54°
10
75°
55°
11
76°
51°
12
65°
47°
13
62°
45°
14
64°
49°
15
64°
51°
16
74°
50°
17
70°
47°
18
73°
50°
19
75°
52°
20
74°
52°
21
74°
50°
22
73°
45°
23
70°
47°
24
71°
50°
25
71°
47°
26
70°
38°
27
68°
39°
28
62°
37°
29
64°
45°
30
64°
37°
1
56°
41°
2
56°
40°
3
54°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Brooks
Brooks's September 2026 forecast shows daily high temperatures ranging from 54° to 81°, with overnight lows between 37° and 59°. The average high for September is 71° with an average low of 49°. 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 Brooks. See also: October | November | December.