Istanbul vs Izmir in September

Istanbul and Izmir are nearly tied in September — 86 vs 85 on SeasonMap's comfort score. Istanbul is warm, a little rain; Izmir is hot, dry.

Istanbul vs Izmir — September climate, side by side

🇹🇷 Istanbul🇹🇷 Izmir
Comfort score86/100 (A)85/100 (A)
Feels-like high27°C30°C
Avg high / low27° / 19°30° / 20°
Rainfall41 mm19 mm
Rainy days73
Humidity70%56%
Air quality (AQI)5252

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

Month by month

Istanbul vs Izmir in September — FAQ

Is September better in Istanbul or Izmir?
Istanbul and Izmir are nearly tied in September — 86 vs 85 on SeasonMap's comfort score. Istanbul is warm, a little rain; Izmir is hot, dry.
What is the weather like in Istanbul vs Izmir in September?
In September, Istanbul averages 27°C high / 19°C low with about 41 mm of rain; Izmir averages 30°C high / 20°C low with about 19 mm.