S
M
T
W
T
F
S
30
70°
61°
31
75°
57°
1
72°
54°
2
68°
61°
3
75°
64°
4
72°
55°
5
73°
52°
6
77°
54°
7
75°
57°
8
N/A
9
65°
50°
10
66°
58°
11
71°
48°
12
70°
57°
13
72°
54°
14
73°
59°
15
73°
54°
16
68°
51°
17
69°
53°
18
70°
53°
19
71°
52°
20
70°
51°
21
68°
52°
22
69°
51°
23
68°
51°
24
68°
50°
25
67°
48°
26
66°
48°
27
64°
47°
28
65°
49°
29
64°
48°
30
66°
48°
1
64°
43°
2
64°
49°
3
65°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Horley
Horley's September 2026 forecast shows daily high temperatures ranging from 64° to 73°, with overnight lows between 43° and 59°. The average high for September is 68° 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 Horley. See also: October | November | December.
