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12h ago

Late-September Heat Peaks Across France as Southwest Nears 37°C

Forecasters expect weekend thunderstorms to sweep in with a sharp cool-down after a short, non-canicule episode.

Le réchauffement des étés bouleverse en particulier, en France, le calendrier de ce mois de vendanges qu'est septembre
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Overview

  • On Friday, Météo-France forecasts highs near 35°C in many areas, with 36–37°C possible in parts of the South-West, including Gironde, Lot-et-Garonne, Landes and Gers, while Paris may reach about 29°C and Brest around 19°C.
  • A rain and thunderstorm system from Saturday into Sunday is expected to knock temperatures down by roughly 7–15°C, locally about 20°C by Monday, with heavy rain possible, including 20–70 mm forecast in parts of Provence.
  • Météo-France describes the spike as remarkable but not unprecedented, citing past September peaks such as 32°C in Paris in 1961 and 35°C in Bordeaux in 1987, and no heatwave vigilance has been issued.
  • Scientists link the rising frequency of late-season heat events to human-driven warming, and September 2023 remains France’s warmest on record for the month.
  • Wine industry leaders report many regions finishing harvests before the end of September, and coastal terraces and ice-cream shops are seeing a brief lift in trade.