S
M
T
W
T
F
S
31
69°
46°
1
71°
49°
2
72°
54°
3
73°
49°
4
69°
44°
5
56°
39°
6
67°
42°
7
65°
51°
8
67°
53°
9
66°
50°
10
72°
47°
11
66°
49°
12
61°
42°
13
61°
40°
14
61°
36°
15
61°
42°
16
53°
36°
17
49°
38°
18
61°
43°
19
64°
39°
20
66°
50°
21
63°
50°
22
55°
35°
23
53°
35°
24
64°
39°
25
67°
46°
26
65°
44°
27
67°
43°
28
65°
50°
29
62°
47°
30
62°
42°
1
56°
41°
2
64°
48°
3
67°
45°
4
48°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Atlantic City
Atlantic City's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Atlantic City. See also: October | November | December.
