The Arch Rainfall Forecast

Today 19 Sep
5%< 1mm
Sun 20 Sep
65%< 2mm
Mon 21 Sep
25%< 1mm
Tue 22 Sep
5%< 1mm
Wed 23 Sep
5%< 1mm
Thu 24 Sep
35%< 1mm
Fri 25 Sep
35%< 1mm

The Arch Rainfall Statistics View More

September Rainfall

Cape Otway (55km)

Total Rainfall 2026
471.2mm
Daily Average 2026
1.8mm
Wettest Day 13 July, 2026
24.8mm
Wet Days 2026
132/262 (50%)
Total Rainfall August
42.8mm
Daily Average August
1.4mm
Wettest Day 4 August, 2026
10.2mm
Wet Days August
19/31 (61%)
Total Rainfall September
16.2mm
Daily Average September
0.9mm
Wettest Day 2 September, 2026
7.2mm
Wet Days September
10/19 (53%)

Climate (2021–2025)

Cape Otway (55km)

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Annual Average 2021–2025
845.5mm
Monthly Average 2021–2026
67.7mm
Daily Average 2021–2026
2.2mm
Wettest Day 5 March, 2022
69.8mm

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