Climate almanac
Fairfield
Ohio, United States · 39.35°, -84.56°
What is the weather like in Fairfield in September?
In September, Fairfield is typically 81°F (27°C) during the day and 61°F (16°C) at night. The month brings about 2.8 in (72 mm) of precipitation in total.
- Average high81°F (27°C)
- Average low61°F (16°C)
- Precipitation2.8 in (72 mm)
- Clear or mostly clear days15
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)