Temperature in Sardinia in September

Daytime highs, nighttime lows and the warmest cities across Sardinia this September.

Sardinia, experiences high average maximum daytime temperatures in September, ranging from 26°C (79°F) in Alghero to 28°C (82°F) in Cagliari. Nighttime temperatures generally drop to 19°C (66°F) in Cagliari and 20°C (68°F) in Alghero. The month of September is in the summer season.

What is the temperature of the different cities in Sardinia in September?

Explore the map below to discover average September temperatures at the top destinations in Sardinia. For a deeper dive, simply click on any destination dot.

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For a detailed overview over the year and the best time to visit Sardinia, check out our Sardinia's climate page.

See also: the Sardinia weather by month.

Best Places to Visit in Sardinia in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Sardinia.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Sardinia

Sardinia temperatures in September: frequently asked questions

How hot does it get in Sardinia in September?

Average daytime highs in Sardinia during September reach about 26°C (79°F) in Alghero.

How cold does it get at night in Sardinia in September?

After dark, Alghero cools to about 20°C (68°F) on an average September night.

What is the warmest city in September in Sardinia?

According to our recent database analysis, Cagliari is the warmest city. It experiences an average maximum daytime temperature of approximately 28°C (82°F) and rarely drops below 19°C (66°F) during the night.

What is the coldest city in September in Sardinia?

Our database indicates that in September, Alghero is the city with the coolest temperatures in Sardinia. You can expect daytime highs of 26°C (79°F) and nighttime lows close to 20°C (68°F).

How much sun does Sardinia get in September?

The weather is predominantly sunny, with an estimated total of around 247 hours of sunshine in Alghero. This means many sunny days, which creates a cheerful atmosphere during this month.

What is the water temperature in September?

The water temperature averages approximately 23°C (73°F) in Alghero this month, good for swimming and cooling off.

Interested in more climate information?

We have much more information about the climate in Sardinia.

Weather and climate has detailed information for every country in the world. Are you going to Sardinia? Get detailed historical weather averages for many cities in Sardinia.

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