Climate almanac
Defiance
Ohio, United States · 41.28°, -84.36°
What is the weather like in Defiance in September?
In September, Defiance is typically 79°F (26°C) during the day and 58°F (15°C) at night. The month brings about 2.3 in (60 mm) of precipitation in total.
- Average high79°F (26°C)
- Average low58°F (15°C)
- Precipitation2.3 in (60 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)