S
M
T
W
T
F
S
30
66°
48°
31
72°
52°
1
71°
55°
2
72°
55°
3
73°
56°
4
72°
53°
5
75°
49°
6
67°
47°
7
64°
45°
8
70°
49°
9
72°
52°
10
72°
51°
11
71°
51°
12
67°
52°
13
70°
52°
14
71°
51°
15
69°
50°
16
65°
50°
17
63°
50°
18
64°
48°
19
69°
49°
20
64°
45°
21
66°
38°
22
59°
41°
23
58°
41°
24
64°
47°
25
67°
37°
26
61°
45°
27
59°
46°
28
56°
43°
29
56°
39°
30
57°
45°
1
59°
39°
2
63°
34°
3
53°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Astorville
Astorville's September 2026 forecast shows daily high temperatures ranging from 53° to 75°, with overnight lows between 34° and 56°. The average high for September is 66° with an average low of 47°. 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 Astorville. See also: October | November | December.