S
M
T
W
T
F
S
30
80°
62°
31
82°
66°
1
86°
59°
2
84°
60°
3
79°
59°
4
80°
60°
5
80°
67°
6
84°
66°
7
86°
65°
8
79°
66°
9
78°
65°
10
82°
64°
11
82°
63°
12
81°
64°
13
80°
62°
14
77°
57°
15
76°
57°
16
76°
56°
17
76°
57°
18
76°
61°
19
79°
61°
20
80°
62°
21
81°
58°
22
77°
54°
23
74°
59°
24
73°
61°
25
79°
54°
26
78°
52°
27
Hist. Avg.
75°
57°
28
Hist. Avg.
74°
56°
29
Hist. Avg.
74°
56°
30
Hist. Avg.
74°
56°
1
Hist. Avg.
73°
55°
2
Hist. Avg.
73°
55°
3
Hist. Avg.
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Clayton
Clayton's September 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 52° and 67°. The average high for September is 79° with an average low of 61°. 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.
