Climate almanac

Winona

Minnesota, United States · 44.05°, -91.64°

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What is the weather like in Winona in September?

In September, Winona is typically 74°F (24°C) during the day and 56°F (13°C) at night. The month brings about 4.0 in (100 mm) of precipitation in total.

  • Average high74°F (24°C)
  • Average low56°F (13°C)
  • Precipitation4.0 in (100 mm)
  • Clear or mostly clear days14
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)