S
M
T
W
T
F
S
30
81°
64°
31
84°
64°
1
83°
57°
2
82°
60°
3
81°
60°
4
75°
61°
5
75°
60°
6
79°
59°
7
78°
54°
8
76°
52°
9
75°
56°
10
74°
62°
11
80°
59°
12
79°
60°
13
80°
58°
14
78°
59°
15
79°
59°
16
71°
51°
17
71°
57°
18
Hist. Avg.
72°
51°
19
Hist. Avg.
72°
50°
20
Hist. Avg.
72°
50°
21
Hist. Avg.
71°
50°
22
Hist. Avg.
71°
49°
23
Hist. Avg.
70°
49°
24
Hist. Avg.
70°
48°
25
Hist. Avg.
70°
48°
26
Hist. Avg.
69°
48°
27
Hist. Avg.
69°
47°
28
Hist. Avg.
68°
47°
29
Hist. Avg.
68°
46°
30
Hist. Avg.
67°
46°
1
Hist. Avg.
67°
46°
2
Hist. Avg.
66°
45°
3
Hist. Avg.
66°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sandy Hook
Sandy Hook's September 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 51° and 64°. The average high for September is 78° with an average low of 59°. 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 Sandy Hook. See also: October | November | December.