Average sea water temperature in September:
+73.3°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:
2025
2024
2023
The average sea water temperature in September of 2025 was 73.3°F. The highest and lowest sea temperatures during the month were 75.2°F and 70.5°F.
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| Bohinjsko Jezero |
monthly
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| Bohinjsko Jezero |
current
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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 2025 | September 2024 |
|---|---|---|
| Portoroz | 75.3°F | 75.9°F |
| Piran | 75.3°F | 75.9°F |
| Strunjan | 75.2°F | 75.8°F |
| Koper | 75.2°F | 75.5°F |
| Isola | 75.1°F | 75.6°F |
| Cerkno | 73.6°F | 74.6°F |
| Bohinjsko Jezero | 73.3°F | 74.5°F |
| Dolenjske Toplice | 71.7°F | 72.0°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: 10:53
December 05, friday
1200

37°F
SW
3 mph
3 mph
1500

37°F
SW
4 mph
4 mph
1800

34°F
SW
3 mph
3 mph
2100

32°F
SW
3 mph
3 mph
December 06, saturday
0000

32°F
S
3 mph
3 mph
0300

32°F
S
3 mph
3 mph
0600

32°F
S
2 mph
2 mph
0900

36°F
S
2 mph
2 mph



























