S
M
T
W
T
F
S
30
68°
57°
31
66°
52°
1
70°
50°
2
66°
57°
3
70°
63°
4
64°
55°
5
64°
54°
6
72°
54°
7
66°
59°
8
61°
54°
9
61°
48°
10
64°
46°
11
64°
54°
12
68°
58°
13
70°
60°
14
72°
57°
15
64°
51°
16
61°
52°
17
61°
50°
18
62°
52°
19
63°
50°
20
64°
52°
21
62°
50°
22
61°
47°
23
60°
49°
24
61°
50°
25
60°
51°
26
63°
52°
27
62°
51°
28
63°
52°
29
63°
51°
30
62°
50°
1
62°
48°
2
61°
49°
3
62°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Romiley
Romiley's September 2026 forecast shows daily high temperatures ranging from 60° to 72°, with overnight lows between 47° and 60°. The average high for September is 63° with an average low of 52°. 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 Romiley. See also: October | November | December.