S
M
T
W
T
F
S
30
82°
69°
31
78°
71°
1
83°
68°
2
76°
71°
3
84°
71°
4
87°
68°
5
80°
66°
6
76°
66°
7
77°
68°
8
78°
65°
9
80°
68°
10
81°
68°
11
78°
67°
12
79°
66°
13
78°
65°
14
77°
64°
15
74°
64°
16
73°
68°
17
76°
61°
18
71°
59°
19
71°
59°
20
72°
62°
21
76°
67°
22
79°
67°
23
80°
66°
24
79°
64°
25
77°
62°
26
77°
64°
27
78°
65°
28
77°
65°
29
78°
62°
30
70°
57°
1
67°
56°
2
70°
60°
3
75°
63°
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 67° to 87°, with overnight lows between 56° and 71°. The average high for September is 77° with an average low of 65°. 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.
