S
M
T
W
T
F
S
30
86°
71°
31
83°
66°
1
84°
65°
2
82°
62°
3
80°
64°
4
80°
64°
5
89°
61°
6
79°
67°
7
91°
73°
8
98°
71°
9
109°
74°
10
91°
75°
11
86°
72°
12
83°
71°
13
82°
70°
14
82°
68°
15
80°
70°
16
80°
69°
17
81°
66°
18
80°
63°
19
76°
68°
20
77°
69°
21
77°
69°
22
77°
67°
23
78°
68°
24
84°
67°
25
84°
69°
26
85°
66°
27
86°
67°
28
83°
65°
29
84°
67°
30
81°
65°
1
83°
66°
2
77°
63°
3
78°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Surfside
Surfside's September 2026 forecast shows daily high temperatures ranging from 76° to 86°, with overnight lows between 63° and 69°. The average high for September is 81° with an average low of 67°. 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. See also: October | November | December.
