Paris, Île-de-France Region weather in September

Averages from 2021–2025 (150 days of record).

Average high: 71°F
Average low: 55°F
Rainy days: ~12 per month
Total precipitation: 3.1 in
Warmest recorded: 93°F
Coldest recorded: 40°F

Expect September days in Paris, Île-de-France Region to top out around 71°F and cool to about 55°F overnight, with roughly 12 days of measurable rain across the month. In recent years September has ranged from 40°F to 93°F.

Other months

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Current Paris, Île-de-France Region forecast → · Historical data by Open-Meteo (ERA5).