S
M
T
W
T
F
S
30
88°
54°
31
81°
55°
1
77°
55°
2
80°
55°
3
74°
56°
4
80°
56°
5
83°
56°
6
82°
56°
7
87°
61°
8
87°
62°
9
92°
63°
10
93°
62°
11
96°
61°
12
92°
60°
13
89°
61°
14
90°
57°
15
92°
61°
16
88°
60°
17
92°
61°
18
91°
59°
19
84°
56°
20
86°
58°
21
88°
58°
22
90°
60°
23
87°
57°
24
81°
52°
25
80°
53°
26
80°
53°
27
79°
52°
28
79°
52°
29
81°
53°
30
80°
56°
1
79°
52°
2
79°
54°
3
85°
56°
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 74° to 96°, with overnight lows between 52° and 63°. The average high for September is 85° with an average low of 57°. 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.
