Climate almanac
Denison
Texas, United States · 33.76°, -96.54°
What is the weather like in Denison in September?
In September, Denison is typically 88°F (31°C) during the day and 69°F (21°C) at night. The month brings about 2.9 in (73 mm) of precipitation in total.
- Average high88°F (31°C)
- Average low69°F (21°C)
- Precipitation2.9 in (73 mm)
- Clear or mostly clear days17
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)