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Istanbul Weather Forecast
17 September 2026
5-day weather forecast
Today
Friday
Saturday
Sunday
Monday
In the daily weather forecast, you will find information about the expected highest and lowest temperatures, humidity percentage, and weather conditions such as windy, sunny, cloudy, rainy, snowy, etc. for each day or period.
Additionally, in the weather forecasts, information such as wind speed, humidity percentage, and temperature is updated daily and at 3-hour intervals. The data on the Türkiye weather page of Yeni Şafak is regularly updated with the latest information from the General Directorate of Meteorology. This way, you can access the most accurate and up-to-date weather forecasts for all cities in Türkiye through Yeni Şafak.
Phases of the Moon
Istanbul
17 September 2026 - 30 September 2026
Waxing Crescent
- % 33 -
First Quarter
18 September Friday
14:26
Waxing Gibbous
19 September Saturday
15:17
Waxing Gibbous
20 September Sunday
15:59
Waxing Gibbous
21 September Monday
16:34
September Moon Phase Calendar
Türkiye Moon Phases. 17 September 2026, Thursday, the moon in Turkey is observed in the waning gibbous phase. You can easily learn the 14-day moon phases for Turkey from the Yeni Şafak weather page. Daily moon phases are updated hourly with current data. Follow the daily weather and moon phases for all cities in Turkey most accurately and up-to-date through Yeni Şafak.