S
M
T
W
T
F
S
30
89°
74°
31
95°
71°
1
98°
73°
2
98°
74°
3
98°
73°
4
97°
72°
5
102°
72°
6
95°
70°
7
89°
72°
8
90°
69°
9
91°
68°
10
94°
72°
11
96°
74°
12
91°
73°
13
95°
70°
14
97°
74°
15
90°
63°
16
89°
61°
17
89°
64°
18
93°
68°
19
93°
70°
20
92°
69°
21
85°
66°
22
85°
66°
23
85°
64°
24
83°
63°
25
82°
62°
26
86°
63°
27
86°
64°
28
88°
66°
29
88°
65°
30
87°
65°
1
85°
61°
2
85°
64°
3
88°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cayce
Cayce's September 2026 forecast shows daily high temperatures ranging from 82° to 97°, with overnight lows between 61° and 74°. The average high for September is 88° with an average low of 65°. 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 Cayce. See also: October | November | December.
