S
M
T
W
T
F
S
30
85°
69°
31
85°
69°
1
84°
68°
2
85°
68°
3
82°
67°
4
81°
68°
5
80°
67°
6
81°
66°
7
83°
68°
8
84°
68°
9
85°
69°
10
85°
69°
11
84°
68°
12
84°
67°
13
83°
68°
14
78°
67°
15
79°
64°
16
81°
66°
17
83°
67°
18
78°
63°
19
80°
65°
20
81°
65°
21
82°
64°
22
83°
65°
23
82°
63°
24
83°
62°
25
83°
62°
26
81°
58°
27
76°
57°
28
74°
58°
29
75°
60°
30
76°
63°
1
80°
66°
2
82°
60°
3
82°
57°
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 74° to 85°, with overnight lows between 57° and 69°. The average high for September is 81° with an average low of 65°. 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.
