S
M
T
W
T
F
S
30
91°
72°
31
91°
71°
1
90°
72°
2
91°
72°
3
91°
71°
4
88°
72°
5
87°
72°
6
88°
71°
7
88°
70°
8
87°
71°
9
90°
70°
10
87°
70°
11
88°
71°
12
90°
71°
13
90°
70°
14
89°
66°
15
88°
65°
16
85°
67°
17
86°
66°
18
89°
67°
19
90°
68°
20
90°
69°
21
89°
69°
22
88°
68°
23
86°
69°
24
87°
66°
25
86°
65°
26
87°
66°
27
86°
67°
28
87°
66°
29
88°
67°
30
88°
67°
1
87°
66°
2
87°
66°
3
88°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Keaton Beach
Keaton Beach's September 2026 forecast shows daily high temperatures ranging from 85° to 91°, with overnight lows between 65° and 72°. The average high for September is 88° with an average low of 69°. 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 Keaton Beach. See also: October | November | December.