Sioux Falls Rainfall Forecast

  • 20%
  • 15%
  • 40%
  • 100%
  • 35%
  • 25%
  • 10%
Graph Plots Open in Graphs

  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Sioux Falls Rainfall Statistics

September Rainfall

Sioux Falls, Foss Field (3.1 miles)

  • Total Rainfall September

    1.3in

  • Daily Average September

    0.1in

  • Wettest Day 8 September, 2026

    0.5in

  • Wet Days September

    8/15 (53%)

Climate (2021–2025)

Sioux Falls, Foss Field (3.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Annual Average 2021–2025

    25.5in

  • Monthly Average 2021–2026

    2in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 3 January, 2023

    6in
Get WillyWeather+ to remove ads