Selwyn Rainfall Forecast

Today 6 Sep
10%< 1mm
Sun 7 Sep
95%15–30mm
Mon 8 Sep
65%1–5mm
Tue 9 Sep
60%1–5mm
Wed 10 Sep
80%5–20mm
Thu 11 Sep
60%1–5mm
Fri 12 Sep
20%< 1mm

Selwyn Rainfall Statistics View More

September Rainfall

Archerton (18km)

Total Rainfall 2025
723.2mm
Daily Average 2025
2.9mm
Wettest Day 27 July, 2025
51.4mm
Wet Days 2025
112/249 (45%)
Total Rainfall August
121.6mm
Daily Average August
3.9mm
Wettest Day 27 August, 2025
34.2mm
Wet Days August
18/31 (58%)
Total Rainfall September
8mm
Daily Average September
1.6mm
Wettest Day 4 September, 2025
4.8mm
Wet Days September
3/6 (50%)

Climate (2010–Present)

Archerton (18km)

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Annual Average 2020–2024
1380.9mm
Monthly Average 2020–2025
110.8mm
Daily Average 2020–2025
3.7mm
Wettest Day 8 June, 2023
134.2mm

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