Salmon Bay Rainfall Forecast

Today 18 Sep
35%< 1mm
Fri 19 Sep
50%< 1mm
Sat 20 Sep
5%< 1mm
Sun 21 Sep
5%< 1mm
Mon 22 Sep
No Rain
Tue 23 Sep
No Rain
Wed 24 Sep
5%< 1mm

Salmon Bay Rainfall Statistics View More

September Rainfall

Rottnest Island (1km)

Total Rainfall 2025
594.4mm
Daily Average 2025
2.3mm
Wettest Day 18 June, 2025
41.2mm
Wet Days 2025
94/261 (36%)
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
46mm
Daily Average September
2.7mm
Wettest Day 6 September, 2025
17.4mm
Wet Days September
11/18 (61%)

Climate (2010–Present)

Rottnest Island (1km)

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Annual Average 2020–2024
509.6mm
Monthly Average 2020–2025
45.9mm
Daily Average 2020–2025
1.5mm
Wettest Day 20 June, 2021
61.2mm

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