Climate almanac
Río San Juan
María Trinidad Sánchez, Dominican Republic · 19.64°, -70.08°
What is the weather like in Río San Juan in September?
In September, Río San Juan is typically 85°F (29°C) during the day and 79°F (26°C) at night. The month brings about 4.7 in (121 mm) of precipitation in total.
- Average high85°F (29°C)
- Average low79°F (26°C)
- Precipitation4.7 in (121 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)