S
M
T
W
T
F
S
30
88°
72°
31
91°
70°
1
91°
68°
2
88°
70°
3
90°
69°
4
91°
69°
5
89°
70°
6
87°
70°
7
86°
69°
8
86°
70°
9
88°
66°
10
88°
65°
11
86°
65°
12
88°
66°
13
86°
64°
14
84°
63°
15
85°
64°
16
86°
63°
17
85°
64°
18
88°
68°
19
89°
66°
20
Hist. Avg.
88°
68°
21
Hist. Avg.
88°
68°
22
Hist. Avg.
88°
67°
23
Hist. Avg.
87°
67°
24
Hist. Avg.
87°
67°
25
Hist. Avg.
87°
66°
26
Hist. Avg.
87°
66°
27
Hist. Avg.
86°
66°
28
Hist. Avg.
86°
65°
29
Hist. Avg.
86°
65°
30
Hist. Avg.
86°
65°
1
Hist. Avg.
86°
64°
2
Hist. Avg.
85°
64°
3
Hist. Avg.
85°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Clinton
Clinton's September 2026 forecast shows daily high temperatures ranging from 84° to 91°, with overnight lows between 63° and 72°. The average high for September is 88° with an average low of 67°. 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 Clinton. See also: October | November | December.
