Koombana Channel Entrance Rainfall Forecast

Today 18 Sep
40%< 1mm
Fri 19 Sep
25%< 1mm
Sat 20 Sep
5%< 1mm
Sun 21 Sep
5%< 1mm
Mon 22 Sep
5%< 1mm
Tue 23 Sep
5%< 1mm
Wed 24 Sep
10%< 1mm

Koombana Channel Entrance Rainfall Statistics View More

September Rainfall

Bunbury (4km)

Total Rainfall 2025
694.4mm
Daily Average 2025
2.7mm
Wettest Day 3 July, 2025
70.6mm
Wet Days 2025
85/261 (33%)
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
78.6mm
Daily Average September
4.6mm
Wettest Day 5 September, 2025
19.4mm
Wet Days September
9/18 (50%)

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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