S
M
T
W
T
F
S
30
79°
60°
31
82°
62°
1
85°
58°
2
82°
56°
3
78°
57°
4
79°
58°
5
80°
64°
6
84°
64°
7
85°
63°
8
78°
62°
9
77°
63°
10
82°
62°
11
82°
60°
12
81°
62°
13
80°
59°
14
76°
54°
15
74°
56°
16
73°
54°
17
73°
54°
18
74°
55°
19
78°
58°
20
79°
60°
21
78°
56°
22
74°
52°
23
72°
56°
24
73°
57°
25
76°
50°
26
71°
55°
27
69°
51°
28
Hist. Avg.
72°
52°
29
Hist. Avg.
72°
51°
30
Hist. Avg.
72°
51°
1
Hist. Avg.
71°
50°
2
Hist. Avg.
71°
50°
3
Hist. Avg.
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Clear Brook
Clear Brook's September 2026 forecast shows daily high temperatures ranging from 69° to 85°, with overnight lows between 50° and 64°. The average high for September is 78° with an average low of 58°. 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 Clear Brook. See also: October | November | December.
