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