National Park Rainfall Forecast

  • 90%
  • 95%
  • 65%
  • No Rain
  • No Rain
  • 5%
  • 15%
Graph Plots Open in Graphs

  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

National Park Rainfall Statistics

September Rainfall

Philadelphia, Philadelphia International Airport (2.5 miles)

  • Total Rainfall September

    4.5in

  • Daily Average September

    0.2in

  • Wettest Day 13 September, 2026

    1.5in

  • Wet Days September

    9/26 (35%)

Climate (2021–2025)

Philadelphia, Philadelphia International Airport (2.5 miles)

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

  • Annual Average 2021–2025

    40.3in

  • Monthly Average 2021–2026

    3.3in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 23 March, 2024

    3.1in
Get WillyWeather+ to remove ads