S
M
T
W
T
F
S
30
79°
56°
31
75°
64°
1
70°
62°
2
73°
61°
3
79°
67°
4
83°
68°
5
78°
61°
6
70°
56°
7
79°
50°
8
80°
60°
9
75°
70°
10
80°
63°
11
74°
52°
12
73°
61°
13
74°
64°
14
80°
64°
15
75°
65°
16
77°
58°
17
73°
57°
18
72°
58°
19
70°
54°
20
69°
54°
21
70°
48°
22
67°
59°
23
67°
58°
24
69°
58°
25
69°
57°
26
71°
57°
27
67°
54°
28
67°
57°
29
72°
58°
30
73°
57°
1
72°
57°
2
71°
56°
3
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Long Hill
Long Hill's September 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 48° and 70°. The average high for September is 72° 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.
