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

In September, Alanya averages 30°C high / 25°C low with about 12 mm of rain; Istanbul averages 27°C high / 19°C low with about 41 mm.

Alanya vs Istanbul in September

Alanya is the better pick in September — 93 vs 86 on SeasonMap's comfort score. Alanya is hot, dry, clean air, while Istanbul is warm, a little rain.

Alanya vs Istanbul — September climate, side by side

	🇹🇷 Alanya	🇹🇷 Istanbul
Comfort score	93/100 (S)	86/100 (A)
Feels-like high	33°C	27°C
Avg high / low	30° / 25°	27° / 19°
Rainfall	12 mm	41 mm
Rainy days	4	7
Humidity	65%	70%
Air quality (AQI)	48	52

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

Month by month

Alanya 🇹🇷 Turkeyhot, dry, clean air · best October93
Istanbul 🇹🇷 Turkeywarm, a little rain · best May86

Alanya vs Istanbul in September — FAQ

Is September better in Alanya or Istanbul?: Alanya is the better pick in September — 93 vs 86 on SeasonMap's comfort score. Alanya is hot, dry, clean air, while Istanbul is warm, a little rain.
What is the weather like in Alanya vs Istanbul in September?: In September, Alanya averages 30°C high / 25°C low with about 12 mm of rain; Istanbul averages 27°C high / 19°C low with about 41 mm.