S
M
T
W
T
F
S
30
86°
66°
31
84°
60°
1
82°
60°
2
78°
61°
3
78°
60°
4
79°
60°
5
78°
61°
6
77°
59°
7
77°
59°
8
78°
62°
9
77°
60°
10
75°
59°
11
77°
59°
12
78°
61°
13
76°
60°
14
77°
59°
15
74°
58°
16
75°
57°
17
73°
56°
18
74°
57°
19
77°
61°
20
Hist. Avg.
75°
61°
21
Hist. Avg.
74°
61°
22
Hist. Avg.
74°
60°
23
Hist. Avg.
74°
60°
24
Hist. Avg.
73°
60°
25
Hist. Avg.
73°
59°
26
Hist. Avg.
72°
59°
27
Hist. Avg.
72°
58°
28
Hist. Avg.
72°
58°
29
Hist. Avg.
71°
58°
30
Hist. Avg.
71°
57°
1
Hist. Avg.
70°
57°
2
Hist. Avg.
70°
56°
3
Hist. Avg.
69°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Jersey City
Jersey City's September 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 56° and 66°. The average high for September is 78° with an average low of 60°. 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 Jersey City. See also: October | November | December.
