Climate almanac
San Martín
Cuscatlan, El Salvador · 13.78°, -88.92°
What is the weather like in San Martín in September?
In September, San Martín is typically 88°F (31°C) during the day and 72°F (22°C) at night. The month brings about 12 in (294 mm) of precipitation in total.
- Average high88°F (31°C)
- Average low72°F (22°C)
- Precipitation12 in (294 mm)
- Clear or mostly clear days1
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)