14-day forecast — Istanbul
Updated every hour
Wed · Today · 28 Oct
Cloudy
+17°
+12°
0,9 mm
Thu · Tomorrow · 29 Oct
Showers
+18°
+15°
7,2 mm
Friday · 30 Oct
Showers
+16°
+14°
1,9 mm
Saturday · 31 Oct
Cloudy
+16°
+14°
0,1 mm
Sunday · 1 Nov
Cloudy
+17°
+13°
0,1 mm
Monday · 2 Nov
Drizzle
+16°
+14°
15,2 mm
Tuesday · 3 Nov
Drizzle
+16°
+13°
8,0 mm
Wednesday · 4 Nov
Light drizzle
+13°
+10°
6,4 mm
Thursday · 5 Nov
Showers
+11°
+9°
2,8 mm
Friday · 6 Nov
Showers
+9°
+8°
1,4 mm
Saturday · 7 Nov
Showers
+11°
+6°
1,4 mm
Sunday · 8 Nov
Light drizzle
+10°
+8°
6,7 mm
Monday · 9 Nov
Partly cloudy
+10°
+7°
1,1 mm
Tuesday · 10 Nov
Partly cloudy
+12°
+9°
11%
About Istanbul
À cheval sur deux continents, entre Bosphore et bazars.
CountryTurkey
RegionMarmara
ContinentEurope
Time zoneEurope/Istanbul (+03:00)
Latitude41.0082°
Longitude28.9784°
Air qualityGood (EAQI 16)
Climate in Istanbul in September
Normals 8 years · best time to visit · Open-MeteoBest time to visit Istanbul: April–October. With perfect weather, September is a recommended month to visit.
| 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
Precipitation day by day in September mm
UV index day by day in September midday value, clear-sky
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
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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 +14°, partly cloudy, vent 14 km/h. Sur les 7 prochains jours, les températures varient de 12 à 18 °C et 33 mm de pluie. Heure locale (fuseau Europe/Istanbul). Données Open-Meteo et WeatherAPI.