Average sea water temperature in September:
+73.4°F
| Minimum sea water temperature in September: | 78.4°F |
| Maximum sea water temperature in September: | 68.5°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 73.7°F. The highest and lowest sea temperatures during the month were 76.3°F and 71.4°F.
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Monthly sea water temperature in Istanbul, °F
Which Turkey resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Mersin | 85.1°F | 83.7°F |
| Alanya | 84.8°F | 84.1°F |
| Avsallar | 84.8°F | 84.1°F |
| Incekum | 84.8°F | 83.9°F |
| Okurcalar | 84.8°F | 83.9°F |
| Turkler | 84.8°F | 84.2°F |
| Kyrenia | 84.8°F | 83.2°F |
| Iskenderun | 84.8°F | 83.9°F |
| Konakli | 84.8°F | 84.1°F |
| Mahmutlar | 84.8°F | 84.0°F |
| Obagol | 84.8°F | 84.1°F |
| Adana | 84.8°F | 83.4°F |
| Kargicak | 84.7°F | 83.9°F |
| Gazipasa | 84.5°F | 83.8°F |
| Aydincik | 84.4°F | 83.0°F |
| Bogazkent | 84.2°F | 83.8°F |
| Kizilot | 84.2°F | 83.4°F |
| Colakli | 84.2°F | 83.7°F |
| Side | 84.1°F | 83.6°F |
| Belek | 84.1°F | 83.8°F |
Best time for vacation in Istanbul
Istanbul on a weather map
Places in Turkey:
Name
°F
24 Hours Forecast
Istanbul
Local time: 01:57
September 15, tuesday
0300
66°F
W
6 mph
6 mph
0600
66°F
SW
6 mph
6 mph
0900
68°F
SW
7 mph
7 mph
1200
73°F
SW
13 mph
13 mph
1500
73°F
SW
17 mph
17 mph
1800
72°F
SW
17 mph
17 mph
2100
70°F
SW
15 mph
15 mph
September 16, wednesday
0000
68°F
SW
11 mph
11 mph
