Current sea water temperature:
+84.0°F
| Minimum sea water temperature in September: | 84.9°F |
| Maximum sea water temperature in September: | 73.9°F |
| Average sea water temperature in September: | 77.9°F |
| more information | |
14 days
forecast
forecast
| Costa Rei |
monthly
weather
weather
| Costa Rei |
Sea water temperature for the last 10 days:
| September 11 | 84.0°F | September 6 | 84.7°F |
| September 10 | 84.9°F | September 5 | 84.6°F |
| September 9 | 84.9°F | September 4 | 84.6°F |
| September 8 | 84.7°F | September 3 | 84.4°F |
| September 7 | 84.6°F | September 2 | 83.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Costa Rei?
Based on the data about daily sea water temperature for the last three years the warmest sea in Costa Rei was noticed in August, July and September.
Monthly Sea Temperatures in Costa Rei, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 84.4°F. The highest and lowest sea temperatures during the month were 85.5°F and 82.6°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 81.4°F. The highest and lowest sea temperatures during the month were 83.7°F and 77.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 78.8°F. The highest and lowest sea temperatures during the month were 79.5°F and 77.4°F.
current
weather
weather
| Costa Rei |
weather in
September
September
| Costa Rei |
Best time for vacation in Costa Rei
Costa Rei on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Costa Rei
Local time: 14:30
September 11, friday
1500
84°F
NE
9 mph
9 mph
1800
82°F
E
2 mph
2 mph
2100
72°F
S
11 mph
11 mph
September 12, saturday
0000
70°F
S
7 mph
7 mph
0300
70°F
S
8 mph
8 mph
0600
68°F
S
11 mph
11 mph
0900
73°F
SE
2 mph
2 mph
1200
79°F
NE
8 mph
8 mph
