What is the weather like in Hong Kong vs Sanya in September?

In September, Hong Kong averages 31°C high / 26°C low with about 262 mm of rain; Sanya averages 28°C high / 23°C low with about 260 mm.

Hong Kong vs Sanya in September

Sanya is the better pick in September — 67 vs 47 on SeasonMap's comfort score. Sanya is sweltering, soaked, clean air, while Hong Kong is sweltering, soaked, muggy air.

Hong Kong vs Sanya — September climate, side by side

	🇭🇰 Hong Kong	🇨🇳 Sanya
Comfort score	47/100 (F)	67/100 (C)
Feels-like high	37°C	34°C
Avg high / low	31° / 26°	28° / 23°
Rainfall	262 mm	260 mm
Rainy days	20	23
Humidity	84%	85%
Air quality (AQI)	84	41

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

Month by month

Hong Kong vs Sanya in September — FAQ

Is September better in Hong Kong or Sanya?: Sanya is the better pick in September — 67 vs 47 on SeasonMap's comfort score. Sanya is sweltering, soaked, clean air, while Hong Kong is sweltering, soaked, muggy air.
What is the weather like in Hong Kong vs Sanya in September?: In September, Hong Kong averages 31°C high / 26°C low with about 262 mm of rain; Sanya averages 28°C high / 23°C low with about 260 mm.