S
M
T
W
T
F
S
30
76°
57°
31
77°
60°
1
78°
59°
2
78°
59°
3
77°
51°
4
76°
55°
5
75°
59°
6
76°
56°
7
76°
55°
8
74°
49°
9
67°
52°
10
68°
47°
11
71°
49°
12
70°
49°
13
65°
48°
14
65°
46°
15
66°
45°
16
66°
47°
17
65°
49°
18
64°
48°
19
65°
49°
20
64°
49°
21
67°
48°
22
67°
45°
23
68°
46°
24
Hist. Avg.
65°
51°
25
Hist. Avg.
65°
51°
26
Hist. Avg.
65°
50°
27
Hist. Avg.
64°
50°
28
Hist. Avg.
64°
50°
29
Hist. Avg.
64°
50°
30
Hist. Avg.
63°
50°
1
Hist. Avg.
63°
49°
2
Hist. Avg.
62°
49°
3
Hist. Avg.
62°
49°
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 64° to 78°, with overnight lows between 45° and 60°. The average high for September is 70° with an average low of 51°. 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.
