Climate almanac
Plymouth
Indiana, United States · 41.34°, -86.31°
What is the weather like in Plymouth in September?
In September, Plymouth is typically 78°F (25°C) during the day and 59°F (15°C) at night. The month brings about 2.8 in (71 mm) of precipitation in total.
- Average high78°F (25°C)
- Average low59°F (15°C)
- Precipitation2.8 in (71 mm)
- Clear or mostly clear days13
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)