When to go · Istanbul

Istanbul in September

Great month. Warm; best light.

Key facts

Plan around it

Verdict

GreatVoykit month rating for Istanbul

Warm; best light.

Long-term averages

IstanbulHighs around 25 °C, lows around 18 °C, rain on about 5 daysHighs around 77 °F, lows around 64 °F, rain on about 5 days
Istanbul and Marmara, Türkiye (Turkey) · Istanbul, Bursa, Edirnebest weather
Wet, windy winters with occasional snow; humid 30 °C summers; May and September–October are the easy windows.Wet, windy winters with occasional snow; humid 86 °F summers; May and September–October are the easy windows.

Autumn season

The best walking weather and clearer light.

Watch: Rain returns in November; 29 October holiday.

Türkiye (Turkey) overall: The best month for most trips: warm sea, cooling ruins, lower prices after mid-month.

Nothing unusual for the weather this month.