Merri Island Rainfall Forecast

Today 13 Sep
65%< 2mm
Sun 14 Sep
15%< 1mm
Mon 15 Sep
80%1–5mm
Tue 16 Sep
90%5–10mm
Wed 17 Sep
60%< 2mm
Thu 18 Sep
45%< 1mm
Fri 19 Sep
90%5–15mm

Merri Island Rainfall Statistics View More

September Rainfall

Warrnambool Airport (12km)

Total Rainfall 2025
410.2mm
Daily Average 2025
1.6mm
Wettest Day 8 June, 2025
39mm
Wet Days 2025
116/256 (45%)
Total Rainfall August
55.4mm
Daily Average August
1.8mm
Wettest Day 30 August, 2025
11.8mm
Wet Days August
19/31 (61%)
Total Rainfall September
34.4mm
Daily Average September
3.1mm
Wettest Day 4 September, 2025
11.2mm
Wet Days September
10/13 (77%)

Climate (2010–Present)

Warrnambool Airport (12km)

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Annual Average 2020–2024
747.4mm
Monthly Average 2020–2025
60.8mm
Daily Average 2020–2025
2mm
Wettest Day 8 January, 2024
74.6mm

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