Koombana Channel Entrance Rainfall Forecast

Today 9 Sep
10%< 1mm
Wed 10 Sep
5%< 1mm
Thu 11 Sep
5%< 1mm
Fri 12 Sep
20%< 1mm
Sat 13 Sep
90%5–10mm
Sun 14 Sep
95%10–15mm
Mon 15 Sep
75%1–5mm

Koombana Channel Entrance Rainfall Statistics View More

September Rainfall

Bunbury (4km)

Total Rainfall 2025
657.2mm
Daily Average 2025
2.6mm
Wettest Day 3 July, 2025
70.6mm
Wet Days 2025
80/252 (32%)
Total Rainfall August
130.8mm
Daily Average August
4.2mm
Wettest Day 2 August, 2025
24.2mm
Wet Days August
16/31 (52%)
Total Rainfall September
41.4mm
Daily Average September
5.2mm
Wettest Day 5 September, 2025
19.4mm
Wet Days September
4/9 (44%)

Climate (2010–Present)

Bunbury (4km)

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Annual Average 2020–2024
810.2mm
Monthly Average 2020–2025
68.9mm
Daily Average 2020–2025
2.3mm
Wettest Day 3 August, 2023
79.2mm

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