S
M
T
W
T
F
S
30
91°
71°
31
93°
71°
1
92°
72°
2
91°
70°
3
90°
71°
4
91°
72°
5
89°
73°
6
88°
73°
7
88°
72°
8
90°
73°
9
89°
72°
10
90°
73°
11
89°
72°
12
91°
72°
13
91°
71°
14
90°
72°
15
88°
72°
16
86°
71°
17
86°
71°
18
87°
70°
19
87°
71°
20
88°
70°
21
88°
70°
22
89°
69°
23
87°
70°
24
86°
70°
25
89°
69°
26
88°
68°
27
89°
69°
28
87°
68°
29
86°
67°
30
87°
66°
1
86°
67°
2
87°
67°
3
86°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Old Ocean
Old Ocean's September 2026 forecast shows daily high temperatures ranging from 86° to 93°, with overnight lows between 63° and 73°. The average high for September is 89° with an average low of 70°. 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 Old Ocean. See also: October | November | December.