United States Capitol Rainfall Forecast

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United States Capitol Rainfall Statistics

September Rainfall

Washington/Reagan National Airport, DC (3.1 miles)

  • Total Rainfall September

    1.6in

  • Daily Average September

    0.3in

  • Wettest Day 3 September, 2026

    1.3in

  • Wet Days September

    2/8 (25%)

Climate (2021–2025)

Washington/Reagan National Airport, DC (3.1 miles)

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  • Annual Average 2021–2025

    39.2in

  • Monthly Average 2021–2026

    3in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 9 July, 2022

    4.1in
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