Porpoise Bay Rainfall Forecast

  • 10%< 1mm
  • 75%1–5mm
  • 20%< 1mm
  • 15%< 1mm
  • 25%< 1mm
  • 10%< 1mm
  • 50%1–5mm
Graph Plots Open in Graphs

  • Rainfall Probability Forecast Bureau of Meteorology

  • Rain Today Real-Time

Porpoise Bay Rainfall Statistics View More

September Rainfall

Rottnest Island (3km)

  • Total Rainfall September

    21.4mm

  • Daily Average September

    2.1mm

  • Wettest Day 6 September, 2026

    11.8mm

  • Wet Days September

    4/11 (36%)

Climate (2021–2025)

Rottnest Island (3km)

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  • Annual Average 2021–2025

    550.6mm

  • Monthly Average 2021–2026

    42.3mm

  • Daily Average 2021–2026

    1.4mm

  • Wettest Day 28 March, 2026

    76.6mm
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