S
M
T
W
T
F
S
30
81°
63°
31
80°
70°
1
84°
69°
2
76°
71°
3
86°
72°
4
86°
68°
5
82°
64°
6
77°
66°
7
79°
66°
8
78°
62°
9
77°
63°
10
79°
65°
11
81°
65°
12
79°
64°
13
79°
62°
14
78°
61°
15
74°
60°
16
74°
65°
17
76°
58°
18
72°
56°
19
72°
56°
20
73°
59°
21
76°
63°
22
80°
64°
23
80°
64°
24
79°
61°
25
78°
59°
26
77°
60°
27
78°
62°
28
78°
61°
29
77°
58°
30
71°
54°
1
67°
52°
2
70°
57°
3
75°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bayonne
Bayonne's September 2026 forecast shows daily high temperatures ranging from 67° to 86°, with overnight lows between 52° and 72°. The average high for September is 77° with an average low of 62°. 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 Bayonne. See also: October | November | December.
