Here are the 10 beaches where the sea is warmest

Here are the 10 beaches where the sea is warmest in September in France

On the eve of the start of the school year, certain beaches in France are still very popular in September. For those who start their vacation at this time, here are the places where the sea is warmest to enjoy it.

Contrary to what you might think, it is not necessary to leave France to swim in the sea in September. While most French people are preparing for the start of the school year, the luckiest can head to the Mediterranean, the beaches of Corsica, Provence-Alpes-Côte d’Azur or even Occitania to enjoy the water once again. warm in these regions. Update on the 10 French beaches where you can still swim without catching a cold.

Palombaggia beach (Corsica)

At this time of year, if you’re lucky, you can head to the Isle of Beauty, one of the most beautiful beaches in Europe, and swim in its calm, warm waters.

The beach of Palombaggia, located in the south of Corsica, reaches an average water temperature of 23.4 °C in September.

The beaches of the Lavezzi Islands (Corsica)

Thirty minutes by boat from downtown Bonifacio lies the archipelago of the Lavezzi Islands with the most beautiful beaches in the region.

With its fine sand and turquoise water, temperatures in September are still around 23.3°C.

Propriano beach (Corsica)

This southern Corsica must-see is located in the Gulf of Ajaccio.

This seaside resort is ideal in September as it highlights its natural assets with its 4 km long wild beach. The water temperature averages 23°C, ideal for peaceful swimming in the sea.


If you plan to travel to the Principality of Monaco in September, the water at the only beach is still pleasant in summer temperatures.

Located on Avenue Princesse de Grace, it consists of two bays and a mixture of fine sand and small gravel.

The beaches of Nice (Alpes-Maritimes)

Nice is the only city in the Provence-Alpes-Côte d’Azur region that offers its visitors so many beaches. In fact, 3.8 km of beaches stretch along the Promenade des Anglais.

Unfortunately, this is not the right place for fans of fine sand, as it is mostly filled with pebbles. However, the water temperature remains pleasant with an average of 22.1°C in September.

The beaches of Antibes (Alpes-Maritimes)

The sandy beaches of Antibes (Alpes-Maritimes) are accessible from the port. Like Nice, Antibes is full of pebble beaches with deeper and therefore cooler water.

To swim in warm waters of around 22°C, it is better to choose the sandy beaches once you leave the old town of Antibes.

Bandol Beach (var)

The largest sandy beach in the city is Renecros. By mid-September the large summer crowds will have disappeared and the sea will have regained its beautiful blue colors and golden sand.

In this bay below the city center you can avoid any noise and enjoy the water at 21.7°C.

Cassis (Bouches-du-Rhône)

The main beach of Cassis is that of the great sea. It is easily accessible and is located in the heart of the city and at the foot of the old medieval castle.

Holidaymakers can enjoy supervised swimming and water at an average of 21.7°C in September.

The beach of Palavas-les-Flots (Hérault)

Palavas beach is one of the oldest seaside resorts near Montpellier.

It offers more than 7 km of beach for the family with sports facilities. In September the water temperature is still ideal at 21.5°C.

Sète (Hérault)

The reputation of Sète’s beaches is well established. The beaches of this town in the Hérault are reachable on foot from the city center and offer magnificent landscapes with a breathtaking coastline.

In 2022, Sète again received the Blue Flag for six of its beaches (Lazaret, Fontaine, Lido, Baleine, 3 Digues and Castellas). What better way to enjoy the end of summer than swimming in 21°C water?