Climate almanac
Sanya
Hainan, China · 18.25°, 109.51°
What is the weather like in Sanya in September?
In September, Sanya is typically 85°F (30°C) during the day and 79°F (26°C) at night. The month brings about 10 in (267 mm) of precipitation in total.
- Average high85°F (30°C)
- Average low79°F (26°C)
- Precipitation10 in (267 mm)
- Clear or mostly clear days6
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)