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