World Resorts Turkey Istanbul Weather

Autumn weather in Istanbul

Weather in Istanbul in Autumn

September October November
Average day temperature: 78.5°F 68.6°F 60.8°F
Average night temperature: 71.1°F 63.1°F 56.5°F
Sea water temperature: 73.4°F 66.7°F 60.0°F
Number of sunny days: 20 days 15 days 12 days
Day length: 11.8 - 13.1 h. 10.5 - 11.8 h. 9.5 - 10.4 h.
Number of rainy days: 2 days 3 days 3 days
Precipitation totals: 0.9 in. 1.7 in. 1.7 in.

Day & Night air temperature, °F

September
October
November
0
13
26
39
52
65
78
91
104
60.6
68.6
78.0
56.8
63.3
70.8
Day temperature   
Night temperature

Sea water temperature, °F

September
October
November
0
12
24
36
48
60
72
84
96
60
66.7
73.4

Precipitation total, in.

September
October
November
0.0
0.3
0.6
1.0
1.3
1.6
1.9
2.2
1.9
1.4
0.8
Sunny, partly cloudy and cloudy days
September
October
November
0
5
10
15
20
25
30
35
11
7
3
8
8
8
11
16
19
Cloudy days   
Partly cloudy days   
Sunny days
Wind speed, mph
September
October
November
0.0
1.9
3.8
5.7
7.6
9.5
11.4
13.3
10.8
10
11.1
Average sunny hours
September
October
November
0
1
2
3
4
5
6
7
8
9
10
5.6
7.3
8.8

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Best time for vacation in Istanbul

Sunniest months:
July 28 days
August 28 days
June 22 days
Warmest months:
July 84.9 °F
August 84.8 °F
June 79.7 °F
Warmest sea temp:
August 76.0 °F
July 74.7 °F
September 73.4 °F
Coldest months:
January 48.7 °F
February 49.9 °F
December 52.9 °F
Rainiest months:
January 5 days
December 4 days
February 3 days
Windiest months:
August 13.7 mph
July 12.1 mph
September 11.9 mph

Istanbul on a weather map

Leaflet | Tiles © Esri
Places in Turkey:
Name
°F
+63°F
+63°F
+68°F
+63°F
+61°F
+63°F
+64°F
+61°F
+66°F
+63°F
+64°F
+63°F
+63°F
+55°F
+66°F
24 Hours Forecast
Istanbul
Local time: 14:24
April 03, thursday
1500
55°F
NW
4 mph
1800
54°F
W
5 mph
2100
52°F
SW
7 mph
April 04, friday
0000
50°F
SW
7 mph
0300
50°F
SW
6 mph
0600
48°F
SW
7 mph
0900
54°F
SW
8 mph
1200
57°F
SW
6 mph
Units of measurement: °C / °F