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