S
M
T
W
T
F
S
30
79°
67°
31
78°
69°
1
82°
67°
2
75°
70°
3
85°
71°
4
88°
68°
5
83°
64°
6
78°
65°
7
78°
64°
8
79°
61°
9
76°
62°
10
79°
64°
11
79°
63°
12
78°
62°
13
79°
61°
14
77°
60°
15
74°
60°
16
73°
64°
17
76°
57°
18
72°
55°
19
71°
55°
20
72°
58°
21
76°
62°
22
79°
63°
23
80°
63°
24
79°
60°
25
77°
58°
26
77°
59°
27
78°
61°
28
77°
60°
29
78°
57°
30
70°
53°
1
67°
51°
2
70°
56°
3
75°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Jersey City
Jersey City's September 2026 forecast shows daily high temperatures ranging from 67° to 88°, 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 Jersey City. See also: October | November | December.
