Climate almanac
La Unión
Nariño, Colombia · 1.60°, -77.13°
What is the weather like in La Unión in September?
In September, La Unión is typically 76°F (25°C) during the day and 59°F (15°C) at night. The month brings about 9.6 in (243 mm) of precipitation in total.
- Average high76°F (25°C)
- Average low59°F (15°C)
- Precipitation9.6 in (243 mm)
- Clear or mostly clear days1
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)