Climate almanac
Portage
Indiana, United States · 41.58°, -87.18°
What is the weather like in Portage in September?
In September, Portage is typically 77°F (25°C) during the day and 60°F (16°C) at night. The month brings about 2.7 in (70 mm) of precipitation in total.
- Average high77°F (25°C)
- Average low60°F (16°C)
- Precipitation2.7 in (70 mm)
- Clear or mostly clear days14
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)