What is the weather like in Guangzhou vs Sanya in September?

In September, Guangzhou averages 31°C high / 25°C low with about 216 mm of rain; Sanya averages 28°C high / 23°C low with about 260 mm.

Guangzhou vs Sanya in September

Sanya is the better pick in September — 67 vs 50 on SeasonMap's comfort score. Sanya is sweltering, soaked, clean air, while Guangzhou is sweltering, soaked, poor air quality.

Guangzhou vs Sanya — September climate, side by side

	🇨🇳 Guangzhou	🇨🇳 Sanya
Comfort score	50/100 (D)	67/100 (C)
Feels-like high	37°C	34°C
Avg high / low	31° / 25°	28° / 23°
Rainfall	216 mm	260 mm
Rainy days	19	23
Humidity	83%	85%
Air quality (AQI)	108	41

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Guangzhou vs Sanya in September — FAQ

Is September better in Guangzhou or Sanya?: Sanya is the better pick in September — 67 vs 50 on SeasonMap's comfort score. Sanya is sweltering, soaked, clean air, while Guangzhou is sweltering, soaked, poor air quality.
What is the weather like in Guangzhou vs Sanya in September?: In September, Guangzhou averages 31°C high / 25°C low with about 216 mm of rain; Sanya averages 28°C high / 23°C low with about 260 mm.