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

In September, Istanbul averages 27°C high / 19°C low with about 41 mm of rain; Kalkan averages 32°C high / 23°C low with about 12 mm.

Istanbul vs Kalkan in September

Kalkan is the better pick in September — 95 vs 86 on SeasonMap's comfort score. Kalkan is sweltering, dry, clean air, while Istanbul is warm, a little rain.

Istanbul vs Kalkan — September climate, side by side

	🇹🇷 Istanbul	🇹🇷 Kalkan
Comfort score	86/100 (A)	95/100 (S)
Feels-like high	27°C	34°C
Avg high / low	27° / 19°	32° / 23°
Rainfall	41 mm	12 mm
Rainy days	7	3
Humidity	70%	62%
Air quality (AQI)	52	42

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

Month by month

Istanbul 🇹🇷 Turkeywarm, a little rain · best May86
Kalkan 🇹🇷 Turkeysweltering, dry, clean air · best September95

Istanbul vs Kalkan in September — FAQ

Is September better in Istanbul or Kalkan?: Kalkan is the better pick in September — 95 vs 86 on SeasonMap's comfort score. Kalkan is sweltering, dry, clean air, while Istanbul is warm, a little rain.
What is the weather like in Istanbul vs Kalkan in September?: In September, Istanbul averages 27°C high / 19°C low with about 41 mm of rain; Kalkan averages 32°C high / 23°C low with about 12 mm.