S
M
T
W
T
F
S
30
82°
63°
31
79°
69°
1
81°
66°
2
76°
69°
3
87°
71°
4
86°
65°
5
80°
63°
6
76°
64°
7
79°
64°
8
78°
60°
9
76°
61°
10
79°
62°
11
79°
61°
12
78°
62°
13
79°
61°
14
77°
60°
15
75°
59°
16
74°
64°
17
76°
57°
18
73°
55°
19
72°
55°
20
73°
58°
21
77°
62°
22
80°
63°
23
81°
63°
24
80°
60°
25
78°
58°
26
78°
59°
27
79°
61°
28
78°
60°
29
79°
57°
30
72°
53°
1
68°
51°
2
71°
56°
3
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hackensack
Hackensack's September 2026 forecast shows daily high temperatures ranging from 68° to 87°, with overnight lows between 51° and 71°. The average high for September is 77° with an average low of 61°. 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 Hackensack. See also: October | November | December.
