S
M
T
W
T
F
S
30
77°
61°
31
79°
61°
1
79°
60°
2
80°
54°
3
75°
58°
4
79°
59°
5
74°
59°
6
76°
58°
7
71°
59°
8
73°
52°
9
71°
51°
10
69°
55°
11
71°
58°
12
78°
57°
13
76°
59°
14
74°
58°
15
75°
59°
16
68°
51°
17
69°
49°
18
68°
49°
19
Hist. Avg.
72°
51°
20
Hist. Avg.
72°
50°
21
Hist. Avg.
72°
50°
22
Hist. Avg.
71°
50°
23
Hist. Avg.
71°
50°
24
Hist. Avg.
70°
49°
25
Hist. Avg.
70°
49°
26
Hist. Avg.
70°
49°
27
Hist. Avg.
69°
48°
28
Hist. Avg.
69°
48°
29
Hist. Avg.
68°
48°
30
Hist. Avg.
68°
47°
1
Hist. Avg.
68°
47°
2
Hist. Avg.
67°
47°
3
Hist. Avg.
67°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Conneaut
Conneaut's September 2026 forecast shows daily high temperatures ranging from 68° to 80°, with overnight lows between 49° and 61°. The average high for September is 74° with an average low of 56°. 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 Conneaut. See also: October | November | December.
