S
M
T
W
T
F
S
30
87°
66°
31
85°
59°
1
82°
58°
2
79°
60°
3
80°
59°
4
80°
59°
5
79°
60°
6
78°
58°
7
78°
58°
8
79°
61°
9
78°
58°
10
77°
57°
11
78°
58°
12
79°
58°
13
78°
57°
14
77°
56°
15
76°
59°
16
77°
56°
17
76°
55°
18
75°
55°
19
76°
60°
20
75°
60°
21
80°
59°
22
Hist. Avg.
71°
54°
23
Hist. Avg.
71°
54°
24
Hist. Avg.
70°
53°
25
Hist. Avg.
70°
53°
26
Hist. Avg.
70°
52°
27
Hist. Avg.
69°
52°
28
Hist. Avg.
69°
51°
29
Hist. Avg.
68°
51°
30
Hist. Avg.
68°
51°
1
Hist. Avg.
67°
50°
2
Hist. Avg.
67°
50°
3
Hist. Avg.
66°
49°
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 75° to 87°, with overnight lows between 55° and 66°. The average high for September is 79° with an average low of 59°. 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.
