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Climate almanac

Pekin

Illinois, United States · 40.57°, -89.64°

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What is the weather like in Pekin in September?

In September, Pekin is typically 81°F (27°C) during the day and 60°F (15°C) at night. The month brings about 2.4 in (60 mm) of precipitation in total.

  • Average high81°F (27°C)
  • Average low60°F (15°C)
  • Precipitation2.4 in (60 mm)
  • Clear or mostly clear days15
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)