S
M
T
W
T
F
S
30
90°
75°
31
93°
76°
1
92°
75°
2
91°
76°
3
91°
76°
4
90°
75°
5
91°
75°
6
90°
74°
7
90°
74°
8
91°
75°
9
92°
75°
10
92°
74°
11
90°
73°
12
90°
74°
13
91°
75°
14
92°
75°
15
91°
73°
16
90°
74°
17
89°
75°
18
91°
74°
19
91°
74°
20
89°
75°
21
90°
75°
22
89°
74°
23
88°
75°
24
88°
73°
25
89°
72°
26
87°
73°
27
87°
74°
28
88°
74°
29
88°
73°
30
87°
74°
1
87°
73°
2
89°
72°
3
89°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cypress Lake
Cypress Lake's September 2026 forecast shows daily high temperatures ranging from 87° to 93°, with overnight lows between 72° and 76°. The average high for September is 90° with an average low of 74°. 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 Cypress Lake. See also: October | November | December.
