Current sea water temperature:
+79.7°F
| Minimum sea water temperature in September: | 81.1°F |
| Maximum sea water temperature in September: | 67.3°F |
| Average sea water temperature in September: | 73.3°F |
| more information | |
14 days
forecast
forecast
| Cerkno |
monthly
weather
weather
| Cerkno |
Sea water temperature for the last 10 days:
| September 1 | 79.7°F | August 27 | 76.8°F |
| August 31 | 79.2°F | August 26 | 77.7°F |
| August 30 | 79.7°F | August 25 | 77.9°F |
| August 29 | 78.6°F | August 24 | 77.7°F |
| August 28 | 77.5°F | August 23 | 78.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Cerkno?
Based on the data about daily sea water temperature for the last three years the warmest sea in Cerkno was noticed in August, July and September.
Monthly Sea Temperatures in Cerkno, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 79.6°F. The highest and lowest sea temperatures during the month were 83.3°F and 76.8°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 78.4°F. The highest and lowest sea temperatures during the month were 81.9°F and 75.2°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 73.6°F. The highest and lowest sea temperatures during the month were 75.6°F and 71.1°F.
current
weather
weather
| Cerkno |
weather in
September
September
| Cerkno |
Best time for vacation in Cerkno
Cerkno on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Cerkno
Local time: 10:40
September 01, tuesday
1200

63°F
SW
6 mph
6 mph
1500

72°F
W
4 mph
4 mph
1800

68°F
NW
4 mph
4 mph
2100

59°F
SW
6 mph
6 mph
September 02, wednesday
0000

61°F
SW
6 mph
6 mph
0300

63°F
SW
5 mph
5 mph
0600

61°F
SW
5 mph
5 mph
0900

63°F
SW
5 mph
5 mph




























