S
M
T
W
T
F
S
30
93°
65°
31
95°
73°
1
97°
74°
2
97°
73°
3
99°
74°
4
100°
74°
5
100°
71°
6
89°
60°
7
88°
66°
8
92°
71°
9
95°
73°
10
88°
64°
11
82°
63°
12
88°
67°
13
92°
66°
14
90°
63°
15
91°
66°
16
87°
63°
17
87°
64°
18
82°
58°
19
77°
62°
20
78°
62°
21
86°
62°
22
82°
61°
23
84°
61°
24
85°
63°
25
85°
63°
26
84°
62°
27
85°
62°
28
83°
61°
29
84°
61°
30
84°
60°
1
82°
57°
2
81°
51°
3
70°
48°
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 70° to 100°, with overnight lows between 48° and 73°. The average high for September is 86° with an average low of 62°. 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.
