- Book early for summer 2023 holidays at today's prices
- Spread the cost with low deposits from £60 per person
- Book holidays to Spain, Greece, Cyprus, Turkey & more
Istanbul weather in September 2023
- 2424°C max day temperature
- 77 days with some rainfall
- 1616°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 4343 mm of monthly rainfall
- 66 (High) UV index
- 2222°C sea temperature
Jet2holidays deal finder
Recommended for Turkey
The September weather guide for Turkey (Istanbul) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Turkey
How hot is it in Istanbul in September?
Daytime temperatures usually reach 24°C in Istanbul in September, falling to 16°C at night.
How sunny is it in Istanbul in September?
There are normally 9 hours of bright sunshine each day in Istanbul in September - that's 71% of daylight hours.
How warm is the sea around Istanbul in September?
The average sea temperature around Istanbul in September is 22°C.
Does it rain in Istanbul in September?
There are usually 7 days with some rain in Istanbul in September and the average monthly rainfall is 43mm.
Istanbul September sunrise & sunset times
Browse the sunrise and sunset times for Istanbul in September 2023. Select a month to view Istanbul sunrise and sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Friday, 1st September 2023||06:30||19:37|
|Friday, 15th September 2023||06:44||19:14|
|Saturday, 30th September 2023||06:59||18:49|
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- British Airways
- easyJet holidays
- Love Holidays