Climate almanac
Harlingen
Texas, United States · 26.19°, -97.70°
What is the weather like in Harlingen in September?
In September, Harlingen is typically 92°F (33°C) during the day and 76°F (25°C) at night. The month brings about 4.0 in (101 mm) of precipitation in total.
- Average high92°F (33°C)
- Average low76°F (25°C)
- Precipitation4.0 in (101 mm)
- Clear or mostly clear days14
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)