Measurements:
°C
°F
Alghero
68°F
SW 1 mph
Feels like: 68°F
Precip: 4%
World Resorts Italy Alghero Weather

7 Day Weather Forecast

09.12
sat
DAY
82°F
E 7 mph
precip
9%
NIGHT
72°F
SW 4 mph
precip
5%
09.13
sun
DAY
84°F
S 9 mph
precip
3%
NIGHT
72°F
S 1 mph
precip
6%
09.14
mon
DAY
84°F
E 8 mph
precip
1%
NIGHT
72°F
W 3 mph
precip
5%
09.15
tue
DAY
86°F
S 7 mph
precip
1%
NIGHT
74°F
SW 2 mph
precip
8%
09.16
wed
DAY
84°F
SE 9 mph
precip
2%
NIGHT
72°F
SE 3 mph
precip
11%
09.17
thu
DAY
80°F
SE 12 mph
precip
6%
NIGHT
72°F
E 6 mph
precip
4%
09.18
fri
DAY
80°F
E 12 mph
precip
3%
NIGHT
68°F
NE 6 mph
precip
17%

Alghero Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Alghero was 24.6°F. The maximum and minimum values were 23.5°F and 25.4°F respectively.

Alghero on the Weather Map

Best Time to Visit Alghero
The most sunny months:
July 29 days
August 28 days
June 26 days
The most warm months:
August 88.6 °F
July 87.8 °F
September 81.8 °F
Warmest sea temperature:
August 80.0 °F
July 78.4 °F
September 77.6 °F
The most cold months:
January 56.3 °F
February 56.6 °F
December 59.7 °F
The most rainy months:
November 5 days
December 3 days
March 3 days
The most windy months:
January 12 mph
December 11 mph
November 11 mph