S
M
T
W
T
F
S
30
87°
68°
31
89°
70°
1
90°
70°
2
91°
71°
3
90°
71°
4
89°
67°
5
86°
66°
6
86°
67°
7
87°
70°
8
86°
70°
9
88°
69°
10
88°
69°
11
89°
68°
12
89°
69°
13
88°
69°
14
89°
68°
15
89°
69°
16
88°
69°
17
88°
68°
18
87°
67°
19
88°
66°
20
87°
62°
21
86°
66°
22
84°
66°
23
84°
65°
24
87°
61°
25
86°
60°
26
82°
65°
27
85°
64°
28
81°
63°
29
85°
62°
30
85°
63°
1
84°
62°
2
84°
62°
3
80°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Oak Island
Oak Island's September 2026 forecast shows daily high temperatures ranging from 80° to 91°, with overnight lows between 60° and 71°. The average high for September is 87° with an average low of 66°. 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 Oak Island. See also: October | November | December.
