Welded Anvil Weather Arrive prepared.

Climate almanac

Creve Coeur

Illinois, United States · 40.65°, -89.59°

+ Compare

What is the weather like in Creve Coeur in September?

In September, Creve Coeur is typically 80°F (27°C) during the day and 60°F (15°C) at night. The month brings about 2.5 in (63 mm) of precipitation in total.

  • Average high80°F (27°C)
  • Average low60°F (15°C)
  • Precipitation2.5 in (63 mm)
  • Clear or mostly clear days15
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)