14-day forecast — Istanbul
Updated every hour
Tue · Today
Partly cloudy
+20°
+15°
8.9 mm
Wind4 m/s NW
Gusts6 m/s
UV index2 – Low
Chance of rain86%
Sunrise07:37
Sunset17:57
Wed · Tomorrow
Showers
+16°
+14°
14.9 mm
Wind8 m/s NE
Gusts12 m/s
UV index1 – Low
Chance of rain89%
Sunrise07:38
Sunset17:56
Thursday 5/11
Showers
+14°
+11°
1.3 mm
Wind8 m/s NE
Gusts12 m/s
UV index2 – Low
Chance of rain62%
Sunrise07:39
Sunset17:55
Friday 6/11
Showers
+13°
+10°
0.3 mm
Wind6 m/s NE
Gusts7 m/s
UV index2 – Low
Chance of rain36%
Sunrise07:40
Sunset17:54
Saturday 7/11
Showers
+13°
+9°
2.3 mm
Wind7 m/s NE
Gusts9 m/s
UV index3 – Moderate
Chance of rain64%
Sunrise07:42
Sunset17:53
Sunday 8/11
Clear
+13°
+9°
9%
Wind3 m/s NE
Gusts8 m/s
UV index4 – Moderate
Chance of rain9%
Sunrise07:43
Sunset17:52
Monday 9/11
Partly cloudy
+14°
+8°
9%
Wind2 m/s E
Gusts6 m/s
UV index4 – Moderate
Chance of rain9%
Sunrise07:44
Sunset17:51
Tuesday 10/11
Cloudy
+15°
+11°
15%
Wind2 m/s SW
Gusts9 m/s
UV index4 – Moderate
Chance of rain15%
Sunrise07:45
Sunset17:50
Wednesday 11/11
Showers
+14°
+12°
9.8 mm
Wind2 m/s SW
Gusts10 m/s
UV index3 – Moderate
Chance of rain77%
Sunrise07:46
Sunset17:49
Thursday 12/11
Showers
+15°
+13°
14.7 mm
Wind4 m/s NW
Gusts14 m/s
UV index3 – Moderate
Chance of rain84%
Sunrise07:48
Sunset17:48
Friday 13/11
Showers
+14°
+11°
3.4 mm
Wind3 m/s W
Gusts13 m/s
UV index4 – Moderate
Chance of rain71%
Sunrise07:49
Sunset17:47
Saturday 14/11
Showers
+15°
+9°
4.6 mm
Wind2 m/s S
Gusts8 m/s
UV index3 – Moderate
Chance of rain74%
Sunrise07:50
Sunset17:46
Sunday 15/11
Showers
+13°
+10°
8.7 mm
Wind5 m/s SE
Gusts8 m/s
UV index3 – Moderate
Chance of rain79%
Sunrise07:51
Sunset17:45
Monday 16/11
Showers
+12°
+9°
1.7 mm
Wind3 m/s NW
Gusts5 m/s
UV index3 – Moderate
Chance of rain63%
Sunrise07:52
Sunset17:44
About Istanbul
Turkiets metropol på två kontinenter vid Bosporen.
CountryTurkey
RegionIstanbul
ContinentEurope
Time zoneEurope/Istanbul (+03:00)
Latitude41.0082°
Longitude28.9784°
Air qualityVery poor (EAQI 81)
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 |
| 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
The weather for Istanbul is based on global weather models (ECMWF, GFS) and national meteorological institutes around the world. Forecasts update every hour; current measurements every 15 minutes. For destinations with a larger time difference from Sweden, local time is shown above.