10-day forecast — Istanbul
Refreshed hourly
Wed · Today · 30 Sep
Showers
68°
63°
0.12 in
Wind21 mph NE
Gusts27 mph
UV index5 – Moderate
Precip chance65%
Sunrise6:59 AM
Sunset6:48 PM
Thu · Tomorrow · 1 Oct
Showers
68°
62°
0.05 in
Wind19 mph NE
Gusts24 mph
UV index5 – Moderate
Precip chance57%
Sunrise7:00 AM
Sunset6:46 PM
Friday · 2 Oct
Showers
65°
61°
0.37 in
Wind19 mph NE
Gusts25 mph
UV index5 – Moderate
Precip chance79%
Sunrise7:01 AM
Sunset6:44 PM
Saturday · 3 Oct
Showers
67°
62°
0.10 in
Wind21 mph NE
Gusts30 mph
UV index4 – Moderate
Precip chance64%
Sunrise7:02 AM
Sunset6:43 PM
Sunday · 4 Oct
Partly cloudy
66°
61°
0.00 in
Wind19 mph NE
Gusts24 mph
UV index5 – Moderate
Precip chance17%
Sunrise7:03 AM
Sunset6:41 PM
Monday · 5 Oct
Mostly cloudy
65°
60°
13%
Wind15 mph NE
Gusts21 mph
UV index5 – Moderate
Precip chance13%
Sunrise7:04 AM
Sunset6:40 PM
Tuesday · 6 Oct
Sunny
67°
62°
4%
Wind11 mph NE
Gusts22 mph
UV index5 – Moderate
Precip chance4%
Sunrise7:06 AM
Sunset6:38 PM
Wednesday · 7 Oct
Sunny
70°
60°
5%
Wind8 mph NE
Gusts13 mph
UV index6 – High
Precip chance5%
Sunrise7:07 AM
Sunset6:36 PM
Thursday · 8 Oct
Mostly cloudy
69°
61°
10%
Wind6 mph SW
Gusts11 mph
UV index6 – High
Precip chance10%
Sunrise7:08 AM
Sunset6:35 PM
Friday · 9 Oct
Mostly cloudy
71°
63°
0.01 in
Wind15 mph SW
Gusts25 mph
UV index5 – Moderate
Precip chance36%
Sunrise7:09 AM
Sunset6:33 PM
Saturday · 10 Oct
Showers
61°
56°
0.87 in
Wind14 mph N
Gusts22 mph
UV index4 – Moderate
Precip chance85%
Sunrise7:10 AM
Sunset6:31 PM
Sunday · 11 Oct
Partly cloudy
65°
58°
6%
Wind11 mph N
Gusts18 mph
UV index5 – Moderate
Precip chance6%
Sunrise7:11 AM
Sunset6:30 PM
Monday · 12 Oct
Sunny
69°
59°
3%
Wind12 mph NE
Gusts22 mph
UV index6 – High
Precip chance3%
Sunrise7:12 AM
Sunset6:28 PM
Tuesday · 13 Oct
Sunny
71°
62°
5%
Wind10 mph SW
Gusts21 mph
UV index6 – High
Precip chance5%
Sunrise7:13 AM
Sunset6:27 PM
About Istanbul
CountryTurkey
RegionMarmara
Population15,701,602
ContinentEurope
Time zoneEurope/Istanbul (+03:00)
Latitude41.0082°
Longitude28.9784°
Air QualityGood (AQI 43)
Details & indices
Wind
11 mph NE
Gusts 23 mph
Humidity
77%
Dew point 57°
Pressure
30.15 inHg
Rising
UV index
5 — Moderate
High today
Air Quality
Good
AQI 43 · US EPA
Visibility
6 mi
Clear view
Sun & moon
Sunrise6:59 AM
Sunset6:48 PM
Length of day11h 49m
Moonrise8:24 PM
Moonset11:02 AM
Moon phase🌔 Waning Gibbous
Local time8:10 AM (+03:00)
Istanbul climate in September
8-year averages · when to visitBest months: April–October · September: Perfect
| August | September | October | |
|---|---|---|---|
| Average temperature | ▼ 77°F | 70°F | ▼ 63°F |
| Typical high | ▼ 86°F | 79°F | ▼ 70°F |
| Typical low | ▼ 70°F | 64°F | ▼ 57°F |
| Water temperature | ▼ 77°F | 76°F | ▼ 68°F |
| Precipitation | ▲ 0.7 in | 1.7 in | ▲ 2.2 in |
| Wet days | ▲ 3 d | 8 d | ▼ 7 d |
| Sunshine per day | ▼ 12.6 h | 10.9 h | ▼ 8.6 h |
| Cloud cover | ▲ 8% | 13% | ▲ 23% |
| Midday UV | ▼ 10 | 7 | ▼ 5 |
| Daylight | 13:46 | 12:28 | 11:06 |
| Our take | Perfect | Perfect | Good |
September temperatures day by day daily mean + smoothed trend · °F
September precipitation day by day in
September UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
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NBM + global weather models
Updated: 8:10 AM
Istanbul, Turkey · 41.01°N, 28.98°E · Europe/Istanbul · Forecast computed for these exact coordinates