Climate almanac
San Diego de la Unión
Guanajuato, Mexico · 21.47°, -100.87°
What is the weather like in San Diego de la Unión in September?
In September, San Diego de la Unión is typically 77°F (25°C) during the day and 58°F (14°C) at night. The month brings about 3.8 in (97 mm) of precipitation in total.
- Average high77°F (25°C)
- Average low58°F (14°C)
- Precipitation3.8 in (97 mm)
- Clear or mostly clear days4
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)