S
M
T
W
T
F
S
30
77°
59°
31
80°
59°
1
79°
51°
2
76°
50°
3
70°
53°
4
72°
56°
5
74°
59°
6
77°
52°
7
76°
49°
8
70°
52°
9
70°
57°
10
69°
57°
11
75°
55°
12
72°
52°
13
68°
53°
14
66°
49°
15
67°
47°
16
66°
46°
17
66°
51°
18
67°
47°
19
67°
52°
20
66°
54°
21
71°
51°
22
70°
44°
23
65°
49°
24
63°
53°
25
67°
45°
26
62°
46°
27
68°
50°
28
68°
50°
29
Hist. Avg.
65°
45°
30
Hist. Avg.
64°
45°
1
Hist. Avg.
64°
44°
2
Hist. Avg.
64°
44°
3
Hist. Avg.
63°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Bailey Island
Bailey Island's September 2026 forecast shows daily high temperatures ranging from 62° to 80°, with overnight lows between 44° and 59°. The average high for September is 70° with an average low of 52°. 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 Bailey Island. See also: October | November | December.