S
M
T
W
T
F
S
30
72°
59°
31
N/A
1
69°
54°
2
69°
61°
3
73°
64°
4
73°
53°
5
68°
52°
6
74°
57°
7
71°
57°
8
69°
54°
9
69°
53°
10
66°
52°
11
66°
50°
12
66°
50°
13
65°
47°
14
66°
48°
15
66°
50°
16
63°
47°
17
63°
51°
18
66°
52°
19
66°
51°
20
62°
48°
21
65°
51°
22
66°
52°
23
66°
48°
24
63°
45°
25
64°
46°
26
63°
45°
27
64°
48°
28
64°
50°
29
65°
49°
30
64°
50°
1
65°
50°
2
65°
49°
3
64°
49°
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 62° to 74°, with overnight lows between 45° and 64°. The average high for September is 66° 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.
