Climate almanac
La Unión
Buenos Aires, Argentina · -34.88°, -58.54°
What is the weather like in La Unión in September?
In September, La Unión is typically 66°F (19°C) during the day and 49°F (9°C) at night. The month brings about 2.4 in (60 mm) of precipitation in total.
- Average high66°F (19°C)
- Average low49°F (9°C)
- Precipitation2.4 in (60 mm)
- Clear or mostly clear days13
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)