Irwin Rainfall Forecast

  • 25%
  • 80%
  • 75%
  • 20%
  • 5%
  • 30%
  • 70%
Graph Plots Open in Graphs

  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Irwin Rainfall Statistics

September Rainfall

Pittsburgh - Allegheny County Airport (11.2 miles)

  • Total Rainfall September

    2.4in

  • Daily Average September

    0.3in

  • Wettest Day 3 September, 2026

    2.1in

  • Wet Days September

    2/11 (18%)

Climate (2021–2025)

Pittsburgh - Allegheny County Airport (11.2 miles)

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

  • Annual Average 2021–2025

    38.8in

  • Monthly Average 2021–2026

    3.2in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 16 July, 2025

    2.1in
Get WillyWeather+ to remove ads