S
M
T
W
T
F
S
30
75°
62°
31
81°
64°
1
80°
58°
2
81°
57°
3
74°
56°
4
75°
58°
5
76°
64°
6
79°
62°
7
81°
57°
8
73°
62°
9
73°
63°
10
76°
62°
11
78°
61°
12
77°
60°
13
72°
61°
14
71°
55°
15
74°
54°
16
71°
54°
17
71°
56°
18
72°
59°
19
75°
59°
20
72°
60°
21
75°
58°
22
73°
51°
23
71°
57°
24
68°
59°
25
74°
54°
26
73°
50°
27
Hist. Avg.
70°
54°
28
Hist. Avg.
70°
53°
29
Hist. Avg.
69°
53°
30
Hist. Avg.
69°
53°
1
Hist. Avg.
68°
52°
2
Hist. Avg.
68°
52°
3
Hist. Avg.
68°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Long Hill
Long Hill's September 2026 forecast shows daily high temperatures ranging from 68° to 81°, with overnight lows between 50° and 64°. The average high for September is 75° with an average low of 58°. 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 Long Hill. See also: October | November | December.
