The Sisters Rainfall Forecast

Today 17 Sep
10%< 1mm
Fri 18 Sep
No Rain
Sat 19 Sep
5%< 1mm
Sun 20 Sep
55%< 1mm
Mon 21 Sep
20%< 1mm
Tue 22 Sep
5%< 1mm
Wed 23 Sep
5%< 1mm

The Sisters Rainfall Statistics View More

September Rainfall

Mortlake Racecourse (13km)

Total Rainfall 2026
378mm
Daily Average 2026
1.5mm
Wettest Day 5 June, 2026
21.8mm
Wet Days 2026
133/260 (51%)
Total Rainfall August
31mm
Daily Average August
1mm
Wettest Day 20 August, 2026
5.2mm
Wet Days August
21/31 (68%)
Total Rainfall September
19.2mm
Daily Average September
1.2mm
Wettest Day 2 September, 2026
5mm
Wet Days September
10/17 (59%)

Climate (2021–2025)

Mortlake Racecourse (13km)

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Annual Average 2021–2025
587mm
Monthly Average 2021–2026
47.8mm
Daily Average 2021–2026
1.6mm
Wettest Day 13 October, 2022
50mm

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