Current sea water temperature:
+75.7°F
| Minimum sea water temperature in September: | 82.9°F |
| Maximum sea water temperature in September: | 68.9°F |
| Average sea water temperature in September: | 74.4°F |
| more information | |
14 days
forecast
forecast
| Piran |
monthly
weather
weather
| Piran |
Sea water temperature for the last 10 days:
| September 21 | 75.7°F | September 16 | 75.9°F |
| September 20 | 75.9°F | September 15 | 76.3°F |
| September 19 | 76.3°F | September 14 | 77.0°F |
| September 18 | 76.6°F | September 13 | 78.8°F |
| September 17 | 76.1°F | September 12 | 78.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Piran?
Based on the data about daily sea water temperature for the last three years the warmest sea in Piran was noticed in August, July and September.
Monthly Sea Temperatures in Piran, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 81.7°F. The highest and lowest sea temperatures during the month were 84.6°F and 79.7°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 80.0°F. The highest and lowest sea temperatures during the month were 84.0°F and 77.7°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 78.7°F. The highest and lowest sea temperatures during the month were 81.5°F and 75.7°F.
current
weather
weather
| Piran |
weather in
September
September
| Piran |
Best time for vacation in Piran
Piran on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Piran
Local time: 13:55
September 21, monday
1500
77°F
SW
7 mph
7 mph
1800
72°F
SW
5 mph
5 mph
2100
63°F
SW
8 mph
8 mph
September 22, tuesday
0000
61°F
W
8 mph
8 mph
0300
57°F
W
7 mph
7 mph
0600
54°F
W
7 mph
7 mph
0900
57°F
W
7 mph
7 mph
1200
68°F
SW
7 mph
7 mph
