St. Louis Rainfall Forecast

  • 5%
  • No Rain
  • 5%
  • No Rain
  • 5%
  • 10%
  • 15%
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  • Rainfall Probability Forecast NOAA

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St. Louis Rainfall Statistics

September Rainfall

St. Louis Downtown Airport (5 miles)

  • Total Rainfall September

    0.1in

  • Daily Average September

    0.02in

  • Wettest Day 4 September, 2025

    0.1in

  • Wet Days September

    2/9 (22%)

Climate (2010–Present)

St. Louis Downtown Airport (5 miles)

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  • Annual Average 2020–2024

    45.4in

  • Monthly Average 2020–2025

    3.7in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 26 July, 2022

    7.2in
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