Climate almanac
Haikou
Yunnan, China · 24.78°, 102.58°
What is the weather like in Haikou in September?
In September, Haikou is typically 74°F (23°C) during the day and 62°F (17°C) at night. The month brings about 6.5 in (165 mm) of precipitation in total.
- Average high74°F (23°C)
- Average low62°F (17°C)
- Precipitation6.5 in (165 mm)
- Clear or mostly clear days3
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)