S
M
T
W
T
F
S
30
70°
48°
31
69°
49°
1
72°
50°
2
73°
53°
3
73°
52°
4
72°
47°
5
69°
46°
6
68°
50°
7
71°
51°
8
72°
48°
9
72°
52°
10
71°
52°
11
72°
51°
12
72°
49°
13
69°
45°
14
66°
50°
15
65°
49°
16
66°
51°
17
66°
51°
18
69°
50°
19
68°
51°
20
68°
51°
21
70°
47°
22
68°
45°
23
63°
43°
24
63°
45°
25
64°
47°
26
65°
46°
27
64°
45°
28
62°
50°
29
64°
49°
30
66°
48°
1
65°
49°
2
66°
47°
3
60°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Clenchwarton
Clenchwarton's September 2026 forecast shows daily high temperatures ranging from 60° to 73°, with overnight lows between 42° and 53°. The average high for September is 68° with an average low of 49°. 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 Clenchwarton. See also: October | November | December.