S
M
T
W
T
F
S
30
90°
72°
31
89°
71°
1
90°
72°
2
90°
72°
3
89°
71°
4
89°
72°
5
90°
72°
6
90°
70°
7
93°
70°
8
92°
71°
9
92°
70°
10
91°
70°
11
91°
69°
12
92°
71°
13
92°
71°
14
91°
70°
15
92°
70°
16
91°
69°
17
92°
70°
18
91°
70°
19
92°
69°
20
91°
71°
21
92°
70°
22
91°
69°
23
92°
70°
24
92°
70°
25
91°
69°
26
91°
70°
27
92°
71°
28
92°
70°
29
91°
70°
30
92°
69°
1
92°
70°
2
91°
70°
3
90°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Capitanejo
Capitanejo's September 2026 forecast shows daily high temperatures ranging from 89° to 93°, with overnight lows between 69° and 72°. The average high for September is 91° with an average low of 70°. 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 Capitanejo. See also: October | November | December.