S
M
T
W
T
F
S
30
79°
65°
31
86°
70°
1
89°
73°
2
93°
73°
3
94°
71°
4
85°
69°
5
82°
67°
6
79°
57°
7
79°
57°
8
85°
69°
9
82°
66°
10
77°
52°
11
76°
58°
12
83°
62°
13
84°
63°
14
77°
60°
15
78°
59°
16
77°
58°
17
79°
57°
18
76°
56°
19
74°
57°
20
80°
60°
21
79°
59°
22
71°
58°
23
73°
58°
24
78°
57°
25
80°
59°
26
80°
58°
27
78°
58°
28
80°
59°
29
80°
59°
30
79°
58°
1
79°
57°
2
76°
51°
3
65°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Findlay
Findlay's September 2026 forecast shows daily high temperatures ranging from 65° to 85°, with overnight lows between 46° and 69°. The average high for September is 78° with an average low of 58°. 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 Findlay. See also: October | November | December.
