S
M
T
W
T
F
S
30
80°
52°
31
80°
51°
1
79°
53°
2
79°
48°
3
76°
49°
4
71°
49°
5
70°
41°
6
68°
48°
7
67°
44°
8
70°
49°
9
75°
49°
10
66°
43°
11
64°
46°
12
66°
46°
13
65°
47°
14
68°
48°
15
74°
39°
16
64°
38°
17
63°
37°
18
65°
43°
19
63°
37°
20
71°
43°
21
70°
38°
22
Hist. Avg.
61°
37°
23
Hist. Avg.
60°
37°
24
Hist. Avg.
60°
36°
25
Hist. Avg.
59°
36°
26
Hist. Avg.
59°
36°
27
Hist. Avg.
58°
36°
28
Hist. Avg.
58°
35°
29
Hist. Avg.
57°
35°
30
Hist. Avg.
57°
35°
1
Hist. Avg.
56°
35°
2
Hist. Avg.
55°
34°
3
Hist. Avg.
55°
34°
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 63° to 80°, with overnight lows between 37° and 53°. The average high for September is 70° with an average low of 45°. 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.
