S
M
T
W
T
F
S
30
80°
48°
31
78°
47°
1
77°
46°
2
70°
46°
3
69°
43°
4
71°
44°
5
76°
46°
6
68°
41°
7
66°
33°
8
67°
36°
9
69°
38°
10
74°
42°
11
74°
43°
12
76°
42°
13
73°
42°
14
71°
38°
15
69°
42°
16
70°
43°
17
68°
42°
18
74°
43°
19
72°
38°
20
67°
39°
21
68°
38°
22
71°
44°
23
74°
36°
24
67°
37°
25
67°
36°
26
66°
28°
27
59°
34°
28
60°
30°
29
57°
27°
30
60°
30°
1
62°
36°
2
64°
37°
3
67°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ashton
Ashton's September 2026 forecast shows daily high temperatures ranging from 57° to 80°, with overnight lows between 27° and 48°. The average high for September is 69° with an average low of 39°. 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 Ashton. See also: October | November | December.