Helena Valley Rainfall Forecast

Today 15 Sep
60%< 1mm
Tue 16 Sep
50%< 1mm
Wed 17 Sep
95%10–20mm
Thu 18 Sep
45%< 1mm
Fri 19 Sep
25%< 1mm
Sat 20 Sep
5%< 1mm
Sun 21 Sep
5%< 1mm

Helena Valley Rainfall Statistics View More

September Rainfall

Perth Airport (2km)

Total Rainfall 2025
691mm
Daily Average 2025
2.7mm
Wettest Day 20 August, 2025
37.8mm
Wet Days 2025
76/258 (29%)
Total Rainfall August
202.4mm
Daily Average August
6.5mm
Wettest Day 20 August, 2025
37.8mm
Wet Days August
16/31 (52%)
Total Rainfall September
71.6mm
Daily Average September
5.1mm
Wettest Day 6 September, 2025
37.8mm
Wet Days September
7/15 (47%)

Climate (2010–Present)

Perth Airport (2km)

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Annual Average 2020–2024
654.6mm
Monthly Average 2020–2025
57.4mm
Daily Average 2020–2025
1.9mm
Wettest Day 5 June, 2023
72.8mm

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