S
M
T
W
T
F
S
30
93°
74°
31
92°
75°
1
91°
75°
2
95°
77°
3
97°
78°
4
94°
76°
5
93°
74°
6
91°
75°
7
93°
76°
8
90°
78°
9
90°
77°
10
88°
75°
11
90°
75°
12
92°
80°
13
87°
77°
14
92°
76°
15
91°
78°
16
92°
78°
17
88°
78°
18
90°
75°
19
90°
74°
20
89°
78°
21
90°
77°
22
93°
79°
23
91°
80°
24
90°
78°
25
92°
74°
26
92°
76°
27
91°
72°
28
90°
73°
29
89°
72°
30
89°
73°
1
90°
68°
2
86°
69°
3
85°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Surfside Beach
Surfside Beach's September 2026 forecast shows daily high temperatures ranging from 85° to 93°, with overnight lows between 68° and 80°. The average high for September is 90° with an average low of 74°. 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 Surfside Beach. See also: October | November | December.
