S
M
T
W
T
F
S
30
93°
72°
31
96°
72°
1
98°
72°
2
100°
74°
3
100°
75°
4
101°
75°
5
101°
76°
6
98°
75°
7
90°
72°
8
92°
71°
9
87°
64°
10
85°
67°
11
84°
68°
12
77°
69°
13
83°
71°
14
84°
68°
15
83°
66°
16
85°
69°
17
84°
64°
18
81°
61°
19
75°
58°
20
76°
59°
21
75°
58°
22
76°
58°
23
80°
62°
24
79°
63°
25
78°
61°
26
77°
59°
27
78°
60°
28
78°
60°
29
79°
61°
30
78°
61°
1
77°
60°
2
76°
59°
3
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Red Bank
Red Bank's September 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 58° and 71°. The average high for September is 80° with an average low of 63°. 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 Red Bank. See also: October | November | December.
