S
M
T
W
T
F
S
30
81°
60°
31
80°
59°
1
81°
61°
2
84°
62°
3
81°
65°
4
84°
63°
5
84°
62°
6
80°
59°
7
80°
63°
8
82°
63°
9
79°
62°
10
78°
62°
11
82°
63°
12
83°
62°
13
82°
62°
14
82°
63°
15
81°
62°
16
82°
62°
17
81°
61°
18
81°
58°
19
80°
59°
20
78°
53°
21
76°
57°
22
75°
59°
23
78°
57°
24
79°
55°
25
79°
55°
26
77°
57°
27
78°
58°
28
78°
56°
29
77°
55°
30
76°
55°
1
77°
53°
2
77°
55°
3
78°
56°
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 84°, with overnight lows between 53° and 65°. The average high for September is 80° with an average low of 59°. 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.
