Measurements:
°C
°F
CURRENT WEATHER
05:37
Costa Rei
66°F
S 10 mph
Feels like: 66°F
Precip: 10%
World Resorts Italy Costa Rei Weather

7 Day Weather Forecast

09.12
sat
DAY
86°F
SE 7 mph
precip
0%
NIGHT
72°F
S 3 mph
precip
6%
09.13
sun
DAY
82°F
NE 7 mph
precip
1%
NIGHT
72°F
S 6 mph
precip
5%
09.14
mon
DAY
84°F
NE 6 mph
precip
1%
NIGHT
74°F
S 5 mph
precip
5%
09.15
tue
DAY
84°F
N 9 mph
precip
6%
NIGHT
74°F
SE 4 mph
precip
7%
09.16
wed
DAY
84°F
NE 6 mph
precip
1%
NIGHT
74°F
S 7 mph
precip
6%
09.17
thu
DAY
84°F
E 9 mph
precip
1%
NIGHT
68°F
SE 12 mph
precip
6%
09.18
fri
DAY
80°F
SE 11 mph
precip
9%
NIGHT
68°F
S 7 mph
precip
12%

Costa Rei Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Costa Rei was 26.0°F. The maximum and minimum values were 25.2°F and 26.4°F respectively.

Costa Rei on the Weather Map

Best Time to Visit Costa Rei
The most sunny months:
July 30 days
August 28 days
June 27 days
The most warm months:
July 93.2 °F
August 93.1 °F
June 86.0 °F
Warmest sea temperature:
August 83.9 °F
July 81.5 °F
September 80.8 °F
The most cold months:
January 57.3 °F
February 58.3 °F
December 60.1 °F
The most rainy months:
November 3 days
October 2 days
March 2 days
The most windy months:
January 10 mph
March 10 mph
February 9 mph
more details