S
M
T
W
T
F
S
30
88°
66°
31
89°
63°
1
89°
59°
2
83°
62°
3
82°
66°
4
88°
67°
5
85°
60°
6
88°
57°
7
80°
64°
8
85°
63°
9
85°
59°
10
87°
63°
11
79°
60°
12
85°
55°
13
78°
53°
14
77°
53°
15
77°
54°
16
78°
57°
17
81°
60°
18
83°
60°
19
84°
58°
20
77°
59°
21
82°
60°
22
83°
55°
23
84°
50°
24
81°
49°
25
72°
48°
26
74°
48°
27
73°
47°
28
Hist. Avg.
75°
50°
29
Hist. Avg.
75°
50°
30
Hist. Avg.
74°
49°
1
Hist. Avg.
74°
49°
2
Hist. Avg.
74°
48°
3
Hist. Avg.
73°
48°
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 72° to 89°, with overnight lows between 47° and 67°. The average high for September is 82° 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 Clinton. See also: October | November | December.
