Twin Rocks Rainfall Forecast

Today 1 Sep
10%< 1mm
Tue 2 Sep
15%< 1mm
Wed 3 Sep
25%< 1mm
Thu 4 Sep
40%< 1mm
Fri 5 Sep
95%15–25mm
Sat 6 Sep
90%15–25mm
Sun 7 Sep
80%5–10mm

Twin Rocks Rainfall Statistics View More

September Rainfall

Rottnest Island (5km)

Total Rainfall 2025
548.4mm
Daily Average 2025
2.3mm
Wettest Day 18 June, 2025
41.2mm
Wet Days 2025
83/244 (34%)
Total Rainfall August
134.4mm
Daily Average August
4.3mm
Wettest Day 26 August, 2025
17.6mm
Wet Days August
21/31 (68%)
Total Rainfall September
–
Daily Average September
–
Wettest Day 31 August, 2025
–
Wet Days September
–

Climate (2010–Present)

Rottnest Island (5km)

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

Annual Average 2020–2024
509.6mm
Monthly Average 2020–2025
45.4mm
Daily Average 2020–2025
1.5mm
Wettest Day 20 June, 2021
61.2mm

Get WillyWeather+ to remove ads