Climate almanac
Las Vegas
Nevada, United States · 36.17°, -115.14°
What is the weather like in Las Vegas in September?
In September, Las Vegas is typically 91°F (33°C) during the day and 67°F (20°C) at night. The month brings about 0.4 in (9 mm) of precipitation in total.
- Average high91°F (33°C)
- Average low67°F (20°C)
- Precipitation0.4 in (9 mm)
- Clear or mostly clear days26
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)