S
M
T
W
T
F
S
30
83°
75°
31
86°
75°
1
86°
75°
2
91°
75°
3
90°
77°
4
90°
77°
5
91°
77°
6
91°
75°
7
88°
75°
8
84°
73°
9
88°
75°
10
88°
77°
11
90°
75°
12
88°
73°
13
93°
77°
14
93°
79°
15
86°
77°
16
86°
70°
17
86°
68°
18
91°
70°
19
90°
72°
20
86°
73°
21
88°
75°
22
86°
75°
23
77°
70°
24
71°
60°
25
77°
60°
26
79°
62°
27
80°
66°
28
81°
67°
29
83°
70°
30
84°
71°
1
83°
74°
2
85°
73°
3
82°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Folly Beach
Folly Beach's September 2026 forecast shows daily high temperatures ranging from 71° to 85°, with overnight lows between 60° and 74°. The average high for September is 81° with an average low of 68°. 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 Folly Beach. See also: October | November | December.
