Climate almanac
Post Falls
Idaho, United States · 47.72°, -116.95°
What is the weather like in Post Falls in September?
In September, Post Falls is typically 76°F (24°C) during the day and 51°F (11°C) at night. The month brings about 1.2 in (31 mm) of precipitation in total. Snowfall averages about 0.2 in (6 mm) over the month.
- Average high76°F (24°C)
- Average low51°F (11°C)
- Precipitation1.2 in (31 mm)
- Clear or mostly clear days15
- Snowfall0.2 in (6 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)