S
M
T
W
T
F
S
30
78°
61°
31
77°
60°
1
77°
61°
2
78°
62°
3
76°
63°
4
75°
61°
5
78°
62°
6
77°
61°
7
76°
59°
8
75°
58°
9
74°
59°
10
75°
64°
11
75°
58°
12
74°
58°
13
75°
57°
14
76°
63°
15
76°
63°
16
77°
61°
17
73°
57°
18
73°
56°
19
74°
57°
20
75°
62°
21
74°
57°
22
72°
59°
23
75°
60°
24
76°
61°
25
77°
60°
26
75°
52°
27
75°
54°
28
68°
53°
29
67°
52°
30
67°
52°
1
Hist. Avg.
72°
48°
2
Hist. Avg.
71°
48°
3
Hist. Avg.
71°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Barnegat
Barnegat's September 2026 forecast shows daily high temperatures ranging from 67° to 78°, with overnight lows between 52° and 64°. The average high for September is 75° with an average low of 59°. 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 Barnegat. See also: October | November | December.
