S
M
T
W
T
F
S
30
89°
66°
31
92°
72°
1
94°
72°
2
95°
72°
3
94°
71°
4
92°
69°
5
89°
67°
6
82°
61°
7
81°
60°
8
80°
57°
9
79°
59°
10
81°
59°
11
77°
54°
12
76°
53°
13
75°
54°
14
79°
53°
15
80°
57°
16
80°
58°
17
79°
58°
18
80°
57°
19
80°
58°
20
79°
58°
21
80°
57°
22
80°
57°
23
79°
56°
24
80°
57°
25
80°
56°
26
78°
54°
27
79°
55°
28
78°
55°
29
78°
54°
30
77°
53°
1
76°
53°
2
76°
52°
3
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Clayton
Clayton's September 2026 forecast shows daily high temperatures ranging from 75° to 95°, with overnight lows between 52° and 72°. The average high for September is 81° with an average low of 58°. 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 Clayton. See also: October | November | December.
