Click on a day for an hourly weather forecast
The temperatures in Findlay in September are comfortable with low of 14°C and and high up to 24°C.
You can expect about 3 to 8 days of rain in Findlay during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Findlay in September 2025.
If you’re planning to visit Findlay in the near future, we highly recommend that you review the 14 day weather forecast for Findlay before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -7° | 10 | 17 | 4 | 72 mm | Awful | Findlay in January |
| February | 2° / -6° | 9 | 15 | 4 | 76 mm | Awful | Findlay in February |
| March | 9° / 0° | 8 | 21 | 2 | 102 mm | Awful | Findlay in March |
| April | 15° / 5° | 9 | 20 | 1 | 124 mm | Ok | Findlay in April |
| May | 21° / 12° | 11 | 20 | 0 | 128 mm | Ok | Findlay in May |
| June | 26° / 16° | 10 | 20 | 0 | 137 mm | Good | Findlay in June |
| July | 27° / 18° | 9 | 22 | 0 | 95 mm | Good | Findlay in July |
| August | 26° / 17° | 8 | 23 | 0 | 85 mm | Good | Findlay in August |
| September | 24° / 14° | 7 | 23 | 0 | 77 mm | Good | Findlay in September |
| October | 17° / 8° | 7 | 24 | 0 | 88 mm | Ok | Findlay in October |
| November | 9° / 2° | 5 | 24 | 1 | 76 mm | Ok | Findlay in November |
| December | 4° / -3° | 9 | 20 | 2 | 75 mm | Awful | Findlay in December |