S
M
T
W
T
F
S
30
90°
74°
31
90°
75°
1
89°
77°
2
90°
77°
3
90°
77°
4
90°
79°
5
88°
79°
6
88°
79°
7
86°
77°
8
88°
73°
9
90°
77°
10
88°
77°
11
90°
77°
12
90°
77°
13
86°
73°
14
90°
77°
15
90°
79°
16
90°
77°
17
90°
73°
18
90°
73°
19
88°
70°
20
86°
73°
21
88°
72°
22
88°
73°
23
N/A
24
89°
72°
25
85°
71°
26
87°
69°
27
85°
72°
28
86°
74°
29
87°
73°
30
88°
75°
1
89°
76°
2
87°
75°
3
86°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Clearwater Beach
Clearwater Beach's September 2026 forecast shows daily high temperatures ranging from 85° to 89°, with overnight lows between 69° and 76°. The average high for September is 87° with an average low of 73°. 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 Clearwater Beach. See also: October | November | December.
