S
M
T
W
T
F
S
30
82°
63°
31
80°
68°
1
89°
67°
2
73°
67°
3
89°
71°
4
88°
69°
5
83°
63°
6
78°
57°
7
82°
57°
8
84°
61°
9
87°
72°
10
89°
67°
11
80°
56°
12
80°
61°
13
85°
65°
14
84°
63°
15
84°
62°
16
76°
56°
17
75°
58°
18
78°
56°
19
76°
55°
20
80°
58°
21
78°
58°
22
71°
58°
23
71°
57°
24
72°
57°
25
73°
56°
26
76°
55°
27
72°
52°
28
73°
55°
29
76°
56°
30
77°
56°
1
76°
55°
2
76°
56°
3
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Clearbrook
Clearbrook's September 2026 forecast shows daily high temperatures ranging from 71° to 89°, with overnight lows between 52° and 72°. 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 Clearbrook. See also: October | November | December.
