Climate almanac

Boissy-Saint-Léger

Île-de-France, France · 48.75°, 2.51°

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What is the weather like in Boissy-Saint-Léger in September?

In September, Boissy-Saint-Léger is typically 72°F (22°C) during the day and 54°F (12°C) at night. The month brings about 2.3 in (58 mm) of precipitation in total.

  • Average high72°F (22°C)
  • Average low54°F (12°C)
  • Precipitation2.3 in (58 mm)
  • Clear or mostly clear days8
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)