Climate almanac
Signal Mountain
Tennessee, United States · 35.12°, -85.34°
What is the weather like in Signal Mountain in September?
In September, Signal Mountain is typically 84°F (29°C) during the day and 65°F (18°C) at night. The month brings about 3.1 in (80 mm) of precipitation in total.
- Average high84°F (29°C)
- Average low65°F (18°C)
- Precipitation3.1 in (80 mm)
- Clear or mostly clear days15
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)