S
M
T
W
T
F
S
30
86°
73°
31
86°
75°
1
89°
74°
2
89°
76°
3
89°
76°
4
90°
76°
5
91°
74°
6
87°
72°
7
84°
71°
8
83°
70°
9
85°
71°
10
89°
72°
11
88°
72°
12
85°
69°
13
86°
70°
14
83°
71°
15
86°
70°
16
85°
70°
17
84°
69°
18
83°
69°
19
80°
67°
20
79°
68°
21
80°
68°
22
82°
67°
23
81°
68°
24
83°
68°
25
81°
67°
26
78°
67°
27
79°
68°
28
81°
67°
29
77°
66°
30
78°
66°
1
77°
65°
2
77°
66°
3
81°
65°
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 77° to 91°, with overnight lows between 65° and 76°. The average high for September is 83° with an average low of 70°. 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.
