Average sea water temperature in September:
+73.4°F
| Minimum sea water temperature in September: | 81.0°F |
| Maximum sea water temperature in September: | 67.3°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 75.0°F. The highest and lowest sea temperatures during the month were 79.7°F and 70.0°F.
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| Bohinjsko Jezero |
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| Bohinjsko Jezero |
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| Bohinjsko Jezero |
14 days
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| Bohinjsko Jezero |
Monthly sea water temperature in Bohinjsko Jezero, °F
Which Slovenia resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Portoroz | 77.6°F | 75.3°F |
| Piran | 77.6°F | 75.3°F |
| Strunjan | 77.4°F | 75.2°F |
| Koper | 77.1°F | 75.2°F |
| Isola | 77.1°F | 75.1°F |
| Cerkno | 75.2°F | 73.6°F |
| Bohinjsko Jezero | 75.0°F | 73.3°F |
| Dolenjske Toplice | 74.6°F | 71.7°F |
Best time for vacation in Bohinjsko Jezero
Bohinjsko Jezero on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Bohinjsko Jezero
Local time: 19:27
October 11, sunday
2100

46°F
NW
2 mph
2 mph
October 12, monday
0000

46°F
SW
2 mph
2 mph
0300

45°F
SW
4 mph
4 mph
0600

43°F
SW
4 mph
4 mph
0900

41°F
SW
5 mph
5 mph
1200

41°F
SW
4 mph
4 mph
1500

46°F
SW
6 mph
6 mph
1800

43°F
SW
4 mph
4 mph


























