S
M
T
W
T
F
S
30
91°
78°
31
91°
78°
1
92°
77°
2
90°
75°
3
91°
76°
4
92°
76°
5
92°
75°
6
91°
77°
7
92°
77°
8
92°
76°
9
91°
75°
10
92°
73°
11
89°
73°
12
89°
74°
13
90°
72°
14
87°
71°
15
86°
70°
16
86°
72°
17
88°
71°
18
90°
74°
19
91°
73°
20
Hist. Avg.
89°
70°
21
Hist. Avg.
89°
70°
22
Hist. Avg.
88°
70°
23
Hist. Avg.
88°
69°
24
Hist. Avg.
88°
69°
25
Hist. Avg.
88°
69°
26
Hist. Avg.
88°
68°
27
Hist. Avg.
88°
68°
28
Hist. Avg.
88°
68°
29
Hist. Avg.
87°
68°
30
Hist. Avg.
87°
67°
1
Hist. Avg.
87°
67°
2
Hist. Avg.
87°
67°
3
Hist. Avg.
87°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Surfside Beach
Surfside Beach's September 2026 forecast shows daily high temperatures ranging from 86° to 92°, with overnight lows between 70° and 78°. 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.
