S
M
T
W
T
F
S
30
81°
58°
31
81°
60°
1
80°
61°
2
80°
59°
3
79°
51°
4
72°
50°
5
72°
55°
6
75°
60°
7
79°
59°
8
79°
58°
9
74°
52°
10
75°
58°
11
77°
59°
12
78°
59°
13
78°
58°
14
77°
58°
15
78°
56°
16
77°
56°
17
72°
52°
18
74°
49°
19
68°
47°
20
68°
46°
21
65°
45°
22
66°
54°
23
68°
50°
24
69°
46°
25
66°
49°
26
68°
54°
27
71°
52°
28
73°
52°
29
72°
51°
30
71°
50°
1
65°
51°
2
70°
48°
3
66°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in East Ashtabula
East Ashtabula's September 2026 forecast shows daily high temperatures ranging from 65° to 81°, with overnight lows between 45° and 61°. The average high for September is 73° with an average low of 54°. 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 East Ashtabula. See also: October | November | December.