Is Nouvelle-Aquitaine too cold to swim in autumn? In September sea water temperature in some cities of Nouvelle-Aquitaine is above 20°C and it is enough for comfortable bathing. Based on average water temperature observations over the past ten years, the warmest sea in Nouvelle-Aquitaine in September was 21.1°C (in Saint-Jean-de-Luz), and the coldest water 18.7°C (in Ars En Re). To find out the sea temperature today and in the coming days, go to Current sea temperature in Nouvelle-Aquitaine
Nouvelle-Aquitaine cities and resorts with the values of the average water temperature in September in recent years.
For more detailed information about water temperature, surf forecast, weather and time of sunrise and sunset in any specific area of your interest, just click on a city name. For ease of search, all places are also grouped by the first letter of the name.
To find out what the water temperature was in Nouvelle-Aquitaine any day over a period of the last ten years, select the month