Overview

• Météo-France projects a peak on Thursday and Friday with widespread highs at or above 30°C across much of the country.
• The South-West is expected to approach around 35°C, a level described as rare for the second half of September.
• Northern and central areas could near late‑season highs, with Paris forecast to reach about 30–31°C by Friday.
• Very mild nights are anticipated in some Mediterranean coastal zones, with minimum temperatures not falling below roughly 20°C.
• Forecasters call the episode remarkable for its timing and link its growing frequency to climate warming, while noting past late‑season precedents.