Climate almanac
Brownsville
Texas, United States · 25.90°, -97.50°
What is the weather like in Brownsville in September?
In September, Brownsville is typically 90°F (32°C) during the day and 77°F (25°C) at night. The month brings about 4.5 in (113 mm) of precipitation in total.
- Average high90°F (32°C)
- Average low77°F (25°C)
- Precipitation4.5 in (113 mm)
- Clear or mostly clear days14
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)