S
M
T
W
T
F
S
30
71°
35°
31
71°
37°
1
77°
41°
2
79°
43°
3
80°
40°
4
80°
38°
5
68°
33°
6
67°
37°
7
70°
37°
8
69°
38°
9
72°
38°
10
72°
33°
11
67°
36°
12
69°
36°
13
68°
38°
14
70°
32°
15
65°
30°
16
62°
28°
17
62°
29°
18
63°
31°
19
63°
34°
20
66°
32°
21
71°
33°
22
65°
30°
23
61°
30°
24
59°
29°
25
58°
30°
26
59°
29°
27
59°
28°
28
58°
29°
29
61°
30°
30
61°
28°
1
55°
27°
2
Hist. Avg.
66°
33°
3
Hist. Avg.
66°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Avon
Avon's September 2026 forecast shows daily high temperatures ranging from 55° to 80°, with overnight lows between 27° and 43°. The average high for September is 67° with an average low of 33°. 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 Avon. See also: October | November | December.
