S
M
T
W
T
F
S
30
65°
53°
31
66°
51°
1
65°
52°
2
65°
54°
3
66°
50°
4
66°
49°
5
64°
51°
6
65°
50°
7
67°
51°
8
68°
55°
9
68°
53°
10
63°
54°
11
66°
54°
12
64°
53°
13
68°
54°
14
67°
54°
15
67°
52°
16
66°
50°
17
62°
52°
18
62°
50°
19
65°
47°
20
61°
47°
21
62°
46°
22
61°
48°
23
62°
47°
24
61°
51°
25
60°
53°
26
60°
52°
27
64°
51°
28
63°
49°
29
59°
48°
30
59°
46°
1
60°
45°
2
58°
45°
3
58°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Thornton-Le-Dale
Thornton-Le-Dale's September 2026 forecast shows daily high temperatures ranging from 58° to 68°, with overnight lows between 45° and 55°. The average high for September is 64° with an average low of 50°. 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 Thornton-Le-Dale. See also: October | November | December.
