S
M
T
W
T
F
S
30
78°
70°
31
90°
72°
1
94°
71°
2
95°
71°
3
95°
74°
4
96°
73°
5
88°
71°
6
82°
65°
7
82°
57°
8
88°
63°
9
79°
66°
10
80°
58°
11
82°
57°
12
82°
59°
13
68°
50°
14
71°
50°
15
80°
65°
16
68°
63°
17
82°
65°
18
74°
64°
19
70°
65°
20
68°
59°
21
63°
56°
22
66°
53°
23
70°
50°
24
70°
56°
25
68°
57°
26
72°
50°
27
73°
52°
28
77°
51°
29
80°
46°
30
69°
62°
1
66°
53°
2
67°
45°
3
71°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Clinton
Clinton's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.
