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
64°
53°
8
58°
48°
9
60°
47°
10
63°
53°
11
62°
46°
12
62°
56°
13
63°
53°
14
67°
56°
15
62°
51°
16
61°
50°
17
61°
52°
18
62°
51°
19
63°
52°
20
63°
55°
21
64°
55°
22
64°
54°
23
63°
54°
24
64°
52°
25
61°
48°
26
60°
47°
27
60°
47°
28
61°
50°
29
60°
52°
30
61°
47°
1
60°
50°
2
61°
51°
3
61°
52°
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 46° and 56°. The average high for September is 62° 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 Accrington. See also: October | November | December.