S
M
T
W
T
F
S
30
92°
73°
31
93°
71°
1
89°
67°
2
88°
67°
3
88°
71°
4
92°
69°
5
93°
70°
6
93°
71°
7
92°
71°
8
92°
70°
9
91°
67°
10
88°
65°
11
88°
69°
12
91°
64°
13
86°
63°
14
84°
62°
15
85°
63°
16
84°
62°
17
88°
63°
18
90°
67°
19
87°
67°
20
90°
66°
21
84°
62°
22
82°
60°
23
Hist. Avg.
83°
61°
24
Hist. Avg.
83°
61°
25
Hist. Avg.
83°
60°
26
Hist. Avg.
82°
60°
27
Hist. Avg.
82°
60°
28
Hist. Avg.
82°
59°
29
Hist. Avg.
81°
59°
30
Hist. Avg.
81°
59°
1
Hist. Avg.
81°
58°
2
Hist. Avg.
80°
58°
3
Hist. Avg.
80°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Forest Hill
Forest Hill's September 2026 forecast shows daily high temperatures ranging from 82° to 93°, with overnight lows between 60° and 73°. The average high for September is 89° with an average low of 67°. 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 Forest Hill. See also: October | November | December.
