Irwin Reef Rainfall Forecast

Today 7 Sep
85%1–5mm
Mon 8 Sep
65%< 2mm
Tue 9 Sep
5%< 1mm
Wed 10 Sep
No Rain
Thu 11 Sep
No Rain
Fri 12 Sep
35%< 1mm
Sat 13 Sep
70%1–5mm

Irwin Reef Rainfall Statistics View More

September Rainfall

Port Denison (59km)

Total Rainfall 2025
455.2mm
Daily Average 2025
1.8mm
Wettest Day 3 June, 2025
41mm
Wet Days 2025
58/250 (23%)
Total Rainfall August
108.2mm
Daily Average August
3.5mm
Wettest Day 20 August, 2025
25mm
Wet Days August
13/31 (42%)
Total Rainfall September
21.8mm
Daily Average September
3.6mm
Wettest Day 6 September, 2025
20.4mm
Wet Days September
2/7 (29%)

Climate (2010–Present)

Port Denison (59km)

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Annual Average 2020–2024
408.3mm
Monthly Average 2020–2025
36.8mm
Daily Average 2020–2025
1.2mm
Wettest Day 21 July, 2022
42.2mm

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