S
M
T
W
T
F
S
30
70°
49°
31
69°
48°
1
71°
49°
2
72°
52°
3
72°
53°
4
71°
47°
5
69°
46°
6
67°
48°
7
69°
49°
8
71°
47°
9
72°
52°
10
71°
52°
11
72°
51°
12
71°
47°
13
68°
44°
14
66°
50°
15
65°
49°
16
66°
51°
17
66°
51°
18
70°
50°
19
69°
51°
20
68°
51°
21
70°
47°
22
68°
44°
23
64°
43°
24
63°
43°
25
64°
44°
26
64°
45°
27
65°
46°
28
62°
49°
29
65°
50°
30
65°
48°
1
66°
49°
2
67°
48°
3
62°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Forest Hill
Forest Hill's September 2026 forecast shows daily high temperatures ranging from 62° to 72°, with overnight lows between 41° and 53°. The average high for September is 68° with an average low of 48°. 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.
