Weather Monday, September 12: widespread heat wave, up to 38°C in the south – The Weather Channel

To remember – high summer day despite a cloudy sky in the west and sea entries into Languedoc-Roussillon – heat generalized throughout the country in the afternoon – 30°C is reached on 2/3 of the territory – heat records possible in the southwest, before the arrival of thunderstorms in the evening – wind from Autan strengthening at 70 km/h in the evening in Occitania General context The wind from the south, channeled between the ex-hurricane Danielle which rises from Portugal towards the Bay of Biscay and an anticyclone stretching from the Maghreb to Germany, brings up very hot air of Saharan origin above France. As you have understood, this Monday promises to be hot, and even very hot in the southwest this afternoon, with temperatures sometimes above 35°C. But beware of the arrival of storms in the evening from the south of Aquitaine in connection with the rise of the ex-hurricane. In Occitania, the sea wind spoils the atmosphere a little with maritime entries if you are in Languedoc-Roussillon. In Midi-Pyrénées, it is the Autan wind that can bother you, because it can blow up to 70 km / h this evening. Details by region In Brittany as far as the Pays de la Loire, the day is summery despite a sky that becomes more and more cloudy as the hours go by. It is hot in the afternoon, between 26°C in Brest and 32°C in Nantes. In Languedoc-Roussillon, low clouds are quite invasive. Pushed by a sea wind reaching 50 km/h, these clouds can even bring you some showers on the Cévennes Héraultaises. In New Aquitaine, it quickly gets very hot. In the afternoon, you have between 33 and 36°C, with peaks close to 38°C between Quercy and the Pyrenean foothills. These will be values ​​at the level of heat records for the beginning of September! On the Atlantic beaches, protect yourself from sunburn! In the evening, watch out for thunderstorms that will cross the Pyrenees before reaching the Aquitaine basin the following night, as they could be quite virulent locally. On all other regions, you spend the day under the sun. On the beaches of La Manche, you benefit from superb weather. If you are in the mountains, you can hike without risking thunderstorms. From 8°C in the Ardennes and the Jura to 18°C ​​on the Basque coast in the morning, you have 25°C from Deauville to Dunkirk up to 32°C from Lyonnais to the Mediterranean hinterland in the afternoon .