14-day forecast — Istanbul Updated every hour
Tue · Today · 16 Jun
Clear
+28°
+21°
4%
Wed · Tomorrow · 17 Jun
Clear
+28°
+20°
5%
Thursday · 18 Jun
Clear
+26°
+20°
7%
Friday · 19 Jun
Showers
+26°
+20°
0,3 mm
Saturday · 20 Jun
Clear
+26°
+20°
5%
Sunday · 21 Jun
Clear
+28°
+20°
4%
Monday · 22 Jun
Clear
+27°
+21°
4%
Tuesday · 23 Jun
Clear
+27°
+20°
3%
Wednesday · 24 Jun
Clear
+28°
+19°
5%
Thursday · 25 Jun
Showers
+23°
+20°
0,3 mm
Friday · 26 Jun
Partly cloudy
+25°
+19°
0,1 mm
Saturday · 27 Jun
Clear
+25°
+18°
3%
Sunday · 28 Jun
Clear
+25°
+19°
4%
Monday · 29 Jun
Clear
+27°
+19°
3%
About Istanbul
À cheval sur deux continents, entre Bosphore et bazars.
Country Turkey
Region Marmara
Continent Europe
Time zone Europe/Istanbul (+03:00)
Latitude 41.0082°
Longitude 28.9784°
Air quality Moderate (EAQI 49)
Climate in Istanbul in September
Normals 8 years · best time to visit · Open-Meteo
Best time to visit Istanbul : April–October . With perfect weather, September is a recommended month to visit.
Photo: Wikimedia
August
September
October
Average temperature
▼ 25°C
21°C
▼ 17°C
Highest temperature
▼ 30°C
26°C
▼ 21°C
Lowest temperature
▼ 21°C
18°C
▼ 14°C
Sea temperature
▼ 25,2°C
24,2°C
▼ 19,8°C
Precipitation
▲ 19 mm
44 mm
▲ 55 mm
Days with precipitation
▲ 3 d
8 d
▼ 7 d
Humidity
▲ 65%
72%
▲ 76%
Sunshine hours per day
▼ 12,6 h
10,9 h
▼ 8,6 h
Cloud cover
▲ 8%
13%
▲ 23%
UV index (midday)
▼ 10
7
▼ 5
Day length
13:46
12:28
11:06
Our rating
Perfect
Perfect
Good
Temperature day by day in September mean + moving average
17° 20° 23° 26° 1 6 11 16 21 26
Precipitation day by day in September mm
0 4.6 9.2 1 6 11 16 21 26
UV index day by day in September midday value, clear-sky
0 5.5 11 1 6 11 16 21 26
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
Other destinations in Europe
Data source
Global weather models — international forecasts
Météo de Istanbul (Turkey) : conditions actuelles et prévisions à 24 h et 14 jours pour préparer votre voyage. Sur place actuellement, il fait +28°, partly cloudy, vent 18 km/h. Sur les 7 prochains jours, les températures varient de 20 à 28 °C avec 6 belles journées et très peu de pluie. Heure locale (fuseau Europe/Istanbul). Données Open-Meteo et WeatherAPI.