World Resorts Italy Alghero Weather

Alghero weather in September

Weather in Alghero: September

Average day temperature: 78.6°F
Average night temperature: 70.1°F
Sea water temperature: 74.8°F
Number of sunny days: 23 days
Day length: 11.8 - 13.1 hours
Number of rainy days: 2 days
Precipitation totals: 1.1 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 83°F. At the same time the lowest night temperature was 63°F. Daily and nightly averages during September were 77.4°F and 69.6°F.

Sea water temperature in Alghero in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 76.2°F. The highest and lowest sea temperatures during the month were 77.7°F and 74.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Alghero in September is 1.2 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.3 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 9.6.

Best time for vacation in Alghero

Sunniest months:
July 29 days
August 28 days
June 25 days
Warmest months:
August 84.5 °F
July 83.9 °F
September 78.6 °F
Warmest sea temp:
August 76.7 °F
July 75.3 °F
September 74.8 °F
Coldest months:
January 55.7 °F
February 55.9 °F
December 58.7 °F
Rainiest months:
November 5 days
December 3 days
March 3 days
Windiest months:
January 12.2 mph
December 11.5 mph
November 11.1 mph

Alghero on a weather map

Alghero
+54°F
S 14 mph
Feels like: +48°F
Precip.: 100%
Places in Italy:
Name
°F
+48°F
+54°F
+48°F
+48°F
+48°F
+52°F
+55°F
+52°F
+50°F
+50°F
+50°F
+45°F
+41°F
+54°F
+48°F
24 Hours Forecast
Alghero
Local time: 07:11
December 05, friday
0900
55°F
SE
17 mph
1200
57°F
SE
16 mph
1500
55°F
SE
17 mph
1800
54°F
SE
17 mph
2100
54°F
SE
11 mph
December 06, saturday
0000
54°F
SE
9 mph
0300
55°F
SE
12 mph
0600
54°F
SE
11 mph
Units of measurement: °C / °F