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

In September, Hong Kong averages 31°C high / 26°C low with about 262 mm of rain; Istanbul averages 27°C high / 19°C low with about 41 mm.

Hong Kong vs Istanbul in September

Istanbul is the better pick in September — 86 vs 47 on SeasonMap's comfort score. Istanbul is warm, a little rain, while Hong Kong is sweltering, soaked, muggy air.

Hong Kong vs Istanbul — September climate, side by side

	🇭🇰 Hong Kong	🇹🇷 Istanbul
Comfort score	47/100 (F)	86/100 (A)
Feels-like high	37°C	27°C
Avg high / low	31° / 26°	27° / 19°
Rainfall	262 mm	41 mm
Rainy days	20	7
Humidity	84%	70%
Air quality (AQI)	84	52

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

Month by month

Hong Kong vs Istanbul in September — FAQ

Is September better in Hong Kong or Istanbul?: Istanbul is the better pick in September — 86 vs 47 on SeasonMap's comfort score. Istanbul is warm, a little rain, while Hong Kong is sweltering, soaked, muggy air.
What is the weather like in Hong Kong vs Istanbul in September?: In September, Hong Kong averages 31°C high / 26°C low with about 262 mm of rain; Istanbul averages 27°C high / 19°C low with about 41 mm.