What is the weather like in Bangkok vs Istanbul in September?

In September, Bangkok averages 33°C high / 26°C low with about 254 mm of rain; Istanbul averages 27°C high / 19°C low with about 41 mm.

Bangkok vs Istanbul in September

Istanbul is the better pick in September — 86 vs 46 on SeasonMap's comfort score. Istanbul is warm, a little rain, while Bangkok is sweltering, soaked, muggy air.

Bangkok vs Istanbul — September climate, side by side

	🇹🇭 Bangkok	🇹🇷 Istanbul
Comfort score	46/100 (F)	86/100 (A)
Feels-like high	39°C	27°C
Avg high / low	33° / 26°	27° / 19°
Rainfall	254 mm	41 mm
Rainy days	26	7
Humidity	82%	70%
Air quality (AQI)	60	52

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

Month by month

Bangkok vs Istanbul in September — FAQ

Is September better in Bangkok or Istanbul?: Istanbul is the better pick in September — 86 vs 46 on SeasonMap's comfort score. Istanbul is warm, a little rain, while Bangkok is sweltering, soaked, muggy air.
What is the weather like in Bangkok vs Istanbul in September?: In September, Bangkok averages 33°C high / 26°C low with about 254 mm of rain; Istanbul averages 27°C high / 19°C low with about 41 mm.