Hong Kong vs Istanbul in September

Istanbul is the better pick in September — 88 vs 51 on SeasonMap's comfort score. Istanbul is warm, dry, while Hong Kong is sweltering, soaked, very humid.

Hong Kong vs IstanbulSeptember climate, side by side

Hong KongIstanbul
Comfort score51/100 (D)88/100 (A)
Feels-like high36°C24°C
Avg high / low30° / 26°25° / 19°
Rainfall224 mm26 mm
Rainy days205
Humidity83%68%
Air quality (AQI)8452

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

Hong Kong vs Istanbul in September — FAQ

Is September better in Hong Kong or Istanbul?
Istanbul is the better pick in September — 88 vs 51 on SeasonMap's comfort score. Istanbul is warm, dry, while Hong Kong is sweltering, soaked, very humid.
What is the weather like in Hong Kong vs Istanbul in September?
In September, Hong Kong averages 30°C high / 26°C low with about 224 mm of rain; Istanbul averages 25°C high / 19°C low with about 26 mm.