S
M
T
W
T
F
S
30
82°
72°
31
82°
71°
1
83°
70°
2
82°
71°
3
82°
72°
4
83°
72°
5
82°
71°
6
82°
71°
7
83°
70°
8
82°
72°
9
82°
72°
10
83°
70°
11
82°
72°
12
82°
71°
13
83°
72°
14
84°
69°
15
84°
70°
16
85°
70°
17
84°
69°
18
84°
69°
19
85°
70°
20
84°
71°
21
85°
71°
22
86°
70°
23
86°
70°
24
85°
69°
25
85°
70°
26
84°
70°
27
86°
69°
28
85°
70°
29
85°
71°
30
86°
71°
1
84°
69°
2
85°
70°
3
84°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cayey
Cayey's September 2026 forecast shows daily high temperatures ranging from 82° to 86°, with overnight lows between 69° and 72°. The average high for September is 84° 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 Cayey. See also: October | November | December.
