S
M
T
W
T
F
S
30
89°
78°
31
89°
78°
1
90°
77°
2
90°
78°
3
91°
77°
4
91°
77°
5
90°
76°
6
90°
76°
7
89°
77°
8
90°
75°
9
91°
76°
10
90°
75°
11
88°
76°
12
89°
75°
13
90°
76°
14
91°
77°
15
89°
76°
16
89°
75°
17
90°
76°
18
90°
76°
19
89°
75°
20
89°
77°
21
90°
77°
22
91°
76°
23
90°
77°
24
89°
77°
25
89°
76°
26
90°
77°
27
90°
77°
28
89°
76°
29
89°
77°
30
87°
75°
1
88°
76°
2
89°
75°
3
88°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lake Park
Lake Park's September 2026 forecast shows daily high temperatures ranging from 87° to 91°, with overnight lows between 72° and 78°. The average high for September is 90° 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 Park. See also: October | November | December.