S
M
T
W
T
F
S
30
67°
56°
31
71°
56°
1
71°
55°
2
72°
53°
3
69°
54°
4
70°
55°
5
69°
50°
6
70°
53°
7
67°
53°
8
70°
52°
9
67°
53°
10
65°
51°
11
64°
48°
12
64°
49°
13
65°
49°
14
64°
53°
15
64°
53°
16
68°
52°
17
68°
53°
18
67°
50°
19
68°
48°
20
62°
52°
21
64°
49°
22
64°
46°
23
62°
46°
24
62°
51°
25
63°
52°
26
65°
51°
27
66°
47°
28
64°
45°
29
62°
44°
30
61°
45°
1
60°
43°
2
61°
45°
3
63°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in North Chailey
North Chailey's September 2026 forecast shows daily high temperatures ranging from 60° to 72°, with overnight lows between 43° and 56°. The average high for September is 66° with an average low of 50°. 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 North Chailey. See also: October | November | December.