S
M
T
W
T
F
S
30
80°
57°
31
81°
61°
1
80°
61°
2
80°
54°
3
79°
51°
4
72°
51°
5
72°
58°
6
74°
59°
7
79°
53°
8
72°
51°
9
71°
53°
10
72°
58°
11
71°
58°
12
79°
59°
13
78°
57°
14
79°
56°
15
78°
50°
16
72°
55°
17
69°
48°
18
72°
48°
19
68°
46°
20
67°
44°
21
65°
46°
22
67°
53°
23
67°
46°
24
68°
46°
25
67°
53°
26
71°
53°
27
70°
54°
28
74°
50°
29
73°
47°
30
68°
47°
1
65°
49°
2
71°
50°
3
64°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Forest Hills
Forest Hills's September 2026 forecast shows daily high temperatures ranging from 64° to 81°, with overnight lows between 42° and 61°. The average high for September is 72° with an average low of 52°. 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 Hills. See also: October | November | December.
