Istanbul in September
The strongest month on almost every measure: summer warmth without the humidity, and the water lit gold by five in the afternoon.
Is September a good time to visit Istanbul?
September is one of the busiest months in Istanbul, at about 82/100. If you can move your dates, January is far calmer.
What’s on in September
- Autumn cruise peak at Galataport
- Istanbul Biennial (odd-numbered years)
Best days in September
Weekdays are almost always calmer than weekends.
Tue is normally the calmest day of the week.
Best hours in September
The daily rhythm, hour by hour.
The 9:00 AM window is usually the calmest of the day.
Weather in September
Typical highs, lows and wet days.
How September compares
Every month in Istanbul, ranked by how calm it is.
Quieter alternatives
If your dates are flexible, these months are calmer in Istanbul.
Book things to do
Tours and tickets in Istanbul, from our booking partner.
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Frequently asked questions
Is September a good month to visit Istanbul?
September is one of the busiest months in Istanbul, at about 82/100. If you can move your dates, January is far calmer.
How crowded is Istanbul in September?
Istanbul sits at roughly 82/100 in September on our crowd scale, which is 19 points above the yearly average. The quietest month is January.
What is the weather like in Istanbul in September?
Expect highs around 25°C and lows near 18°C in September, with about 5 wet days across the month.