11.09
fri
fri
Day
84°F
SE 7 mph
Precip.
1%
1%
Night
70°F
S 7 mph
Precip.
3%
3%
12.09
sat
sat
Day
79°F
NE 8 mph
Precip.
8%
8%
Night
70°F
S 3 mph
Precip.
6%
6%
13.09
sun
sun
Day
79°F
NE 7 mph
Precip.
1%
1%
Night
70°F
S 6 mph
Precip.
5%
5%
14.09
mon
mon
Day
81°F
NE 6 mph
Precip.
1%
1%
Night
72°F
S 5 mph
Precip.
5%
5%
15.09
tue
tue
Day
81°F
N 9 mph
Precip.
6%
6%
Night
72°F
SE 4 mph
Precip.
10%
10%
16.09
wed
wed
Day
81°F
NE 6 mph
Precip.
1%
1%
Night
72°F
S 7 mph
Precip.
6%
6%
17.09
thu
thu
Day
81°F
E 9 mph
Precip.
1%
1%
Night
66°F
SE 12 mph
Precip.
6%
6%
sea water
temperature
temperature
| Costa Rei |
monthly
weather
weather
| Costa Rei |
current
weather
weather
| Costa Rei |
14 days
forecast
forecast
| Costa Rei |
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.
Air temperature in Costa Rei, °F
Precipitation total in Costa Rei, in.
* Charts above show average data for the last 3 years.
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: 15:03
September 11, friday
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
1500
84°F
NE
5 mph
5 mph
