S
M
T
W
T
F
S
30
68°
55°
31
66°
52°
1
66°
52°
2
63°
55°
3
66°
54°
4
63°
54°
5
63°
50°
6
70°
50°
7
64°
54°
8
59°
47°
9
61°
47°
10
61°
52°
11
61°
45°
12
62°
56°
13
64°
52°
14
66°
55°
15
60°
47°
16
59°
48°
17
60°
48°
18
60°
48°
19
61°
48°
20
60°
49°
21
63°
53°
22
63°
52°
23
62°
52°
24
63°
50°
25
60°
46°
26
60°
45°
27
59°
45°
28
60°
48°
29
59°
50°
30
60°
45°
1
59°
48°
2
60°
49°
3
60°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Horsforth
Horsforth's September 2026 forecast shows daily high temperatures ranging from 59° to 66°, with overnight lows between 45° and 56°. The average high for September is 61° with an average low of 49°. 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 Horsforth. See also: October | November | December.