S
M
T
W
T
F
S
30
84°
58°
31
80°
69°
1
89°
70°
2
76°
68°
3
86°
68°
4
85°
68°
5
80°
63°
6
77°
58°
7
77°
56°
8
82°
53°
9
85°
68°
10
82°
63°
11
80°
55°
12
78°
63°
13
81°
67°
14
82°
62°
15
81°
64°
16
80°
59°
17
77°
59°
18
73°
55°
19
74°
53°
20
74°
55°
21
73°
54°
22
72°
58°
23
72°
58°
24
73°
57°
25
72°
57°
26
77°
56°
27
75°
54°
28
75°
56°
29
77°
57°
30
77°
57°
1
76°
56°
2
75°
55°
3
75°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Clay
Clay's September 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 53° and 68°. The average high for September is 77° 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 Clay. See also: October | November | December.
