Measurements:
°C
°F
Alghero
54°F
S 14 mph
Feels like: 48°F
Precip: 100%
World Resorts Italy Alghero Weather September Weather in Alghero

Alghero Weather: September

Average Day Temperature: 81.8°F
Average Night Temperature: 72.4°F
Sea Water Temperature: 77.6°F
Number of Sunny Days: 23 days
Sunshine Hours: 11.8 - 13.1 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.1 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 87°F. The lowest night temperature was 65°F. The average values for day and night temperatures during September were 80.4°F и 71.8°F respectivly.

Alghero Water Sea Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Alghero was 79.2°F. The maximum and minimum values were 77.0°F and 80.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Alghero is 1.1 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 8.4 mph. It makes September one of the most windless months of the year for Alghero.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Alghero in September is 10.1 hours.

Best Time to Visit Alghero
The most sunny months:
July 29 days
August 28 days
June 25 days
The most warm months:
August 88.4 °F
July 87.6 °F
September 81.8 °F
Warmest sea temperature:
August 79.7 °F
July 78.1 °F
September 77.6 °F
The most cold months:
January 56.3 °F
February 56.5 °F
December 59.6 °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

Alghero on the Weather Map

Italy Resorts:
NAME
Amalfi +48
Bari +54
Cagliari +48
Catania +52
Florence +48
Genoa +48
Naples +56
Palermo +52
Pisa +50
Rimini +50
Rome +50
Scalea +40
Sicily +44
Tropea +54
Venice +48
24 Hours Weather Forecast
Alghero
Local time: 06:18
05 dec, friday
0900 56°F
SE
17 mph
1200 58°F
SE
16 mph
1500 56°F
SE
17 mph
1800 54°F
SE
17 mph
2100 54°F
SE
11 mph
06 dec, saturday
0000 54°F
SE
9 mph
0300 56°F
SE
12 mph
0600 54°F
SE
11 mph