Weather of Istanbul is really calm during September. Signs of Autumn are visible, but it is still warm and enjoyable. It is not a rainy season and mean temperature is around 20 C. You don't need thick clothes, but you may need a raincoat to be on the safe side.
Weather in September
Weather in September
Weather in September
Weather of Istanbul is really calm during September. Signs of Autumn are visible, but it is still warm and enjoyable. It is not a rainy season and mean temperature is around 20 C. You don't need thick clothes, but you may need a raincoat to be on the safe side.