Bangkok vs Istanbul in September

Istanbul is the better pick in September — 88 vs 48 on SeasonMap's comfort score. Istanbul is warm, dry, while Bangkok is sweltering, soaked, very humid.

Bangkok vs IstanbulSeptember climate, side by side

BangkokIstanbul
Comfort score48/100 (F)88/100 (A)
Feels-like high37°C24°C
Avg high / low31° / 25°25° / 19°
Rainfall267 mm26 mm
Rainy days265
Humidity82%68%
Air quality (AQI)6052

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

Bangkok vs Istanbul in September — FAQ

Is September better in Bangkok or Istanbul?
Istanbul is the better pick in September — 88 vs 48 on SeasonMap's comfort score. Istanbul is warm, dry, while Bangkok is sweltering, soaked, very humid.
What is the weather like in Bangkok vs Istanbul in September?
In September, Bangkok averages 31°C high / 25°C low with about 267 mm of rain; Istanbul averages 25°C high / 19°C low with about 26 mm.