Climate almanac
Altus
Oklahoma, United States · 34.64°, -99.33°
What is the weather like in Altus in September?
In September, Altus is typically 89°F (32°C) during the day and 66°F (19°C) at night. The month brings about 2.5 in (63 mm) of precipitation in total.
- Average high89°F (32°C)
- Average low66°F (19°C)
- Precipitation2.5 in (63 mm)
- Clear or mostly clear days18
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)