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Beykoz Weather in September
Beykoz, Istanbul, Turkey
About Beykoz in September
Beykoz's heavily forested hills along the upper Asian Bosphorus shore make it Istanbul's greenest and most climatically moderate district, with summer highs consistently 4–5°C below the urban core. The extensive tree canopy generates high humidity and frequent morning dew, while the narrow Bosphorus channel at Beykoz funnels northerly Black Sea winds to high velocities.
For detailed monthly temperature and rainfall data for Istanbul in September, see the Istanbul September weather guide.