S
M
T
W
T
F
S
30
78°
64°
31
77°
67°
1
78°
67°
2
77°
66°
3
77°
65°
4
78°
68°
5
82°
67°
6
83°
68°
7
84°
68°
8
83°
67°
9
80°
66°
10
81°
67°
11
80°
68°
12
82°
66°
13
80°
66°
14
75°
65°
15
75°
65°
16
74°
64°
17
74°
63°
18
76°
64°
19
77°
64°
20
77°
62°
21
80°
63°
22
81°
58°
23
80°
59°
24
74°
61°
25
72°
60°
26
71°
61°
27
77°
60°
28
78°
60°
29
79°
59°
30
78°
59°
1
76°
58°
2
77°
59°
3
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Avalon
Avalon's September 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 58° and 68°. The average high for September is 78° with an average low of 64°. 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 Avalon. See also: October | November | December.
