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Climate almanac

Brandywine

Maryland, United States · 38.70°, -76.85°

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What is the weather like in Brandywine in September?

In September, Brandywine is typically 79°F (26°C) during the day and 66°F (19°C) at night. The month brings about 4.3 in (109 mm) of precipitation in total.

  • Average high79°F (26°C)
  • Average low66°F (19°C)
  • Precipitation4.3 in (109 mm)
  • Clear or mostly clear days11
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)