Swan River - Heirisson Island Rainfall Forecast

Today 25 Sep
10%< 1mm
Sun 26 Sep
75%1–5mm
Mon 27 Sep
70%< 2mm
Tue 28 Sep
35%< 1mm
Wed 29 Sep
95%5–15mm
Thu 30 Sep
70%1–5mm
Fri 1 Oct
90%10–20mm

Swan River - Heirisson Island Rainfall Statistics View More

September Rainfall

Perth Metro (5km)

Total Rainfall 2021
699.8mm
Daily Average 2021
2.7mm
Wettest Day 5 May, 2021
46.2mm
Wet Days 2021
99/268 (37%)
Total Rainfall August
56.6mm
Daily Average August
1.9mm
Wettest Day 20 August, 2021
11.8mm
Wet Days August
17/31 (55%)
Total Rainfall September
44.6mm
Daily Average September
1.9mm
Wettest Day 2 September, 2021
10.4mm
Wet Days September
10/25 (40%)

Climate (2010–Present)

Perth Metro (5km)

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Annual Average 2010–Present
674.3mm
Monthly Average 2010–Present
59.9mm
Daily Average 2010–Present
2mm
Wettest Day 16 January, 2018
96.2mm

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