S
M
T
W
T
F
S
30
89°
76°
31
88°
75°
1
88°
75°
2
87°
76°
3
87°
76°
4
88°
75°
5
89°
75°
6
90°
76°
7
89°
75°
8
88°
76°
9
89°
76°
10
88°
75°
11
88°
76°
12
89°
76°
13
89°
77°
14
88°
78°
15
88°
78°
16
89°
76°
17
88°
76°
18
86°
75°
19
86°
76°
20
87°
77°
21
86°
76°
22
87°
76°
23
87°
75°
24
88°
76°
25
86°
74°
26
87°
73°
27
87°
73°
28
88°
74°
29
88°
75°
30
89°
75°
1
Hist. Avg.
87°
75°
2
Hist. Avg.
87°
75°
3
Hist. Avg.
87°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lake Worth Beach
Lake Worth Beach's September 2026 forecast shows daily high temperatures ranging from 86° to 90°, with overnight lows between 73° and 78°. The average high for September is 88° with an average low of 76°. 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 Lake Worth Beach. See also: October | November | December.
