Long Island Rainfall Forecast

Today 5 Sep
5%< 1mm
Sun 6 Sep
5%< 1mm
Mon 7 Sep
15%< 1mm
Tue 8 Sep
35%< 1mm
Wed 9 Sep
25%< 1mm
Thu 10 Sep
60%1–5mm
Fri 11 Sep
45%< 1mm

Long Island Rainfall Statistics View More

September Rainfall

Seventeen Seventy (42km)

Total Rainfall 2026
586.1mm
Daily Average 2026
2.4mm
Wettest Day 7 March, 2026
105mm
Wet Days 2026
74/248 (30%)
Total Rainfall August
5mm
Daily Average August
0.2mm
Wettest Day 25 August, 2026
3.8mm
Wet Days August
3/31 (10%)
Total Rainfall September
0mm
Daily Average September
0mm
Wettest Day 1 September, 2026
0mm
Wet Days September
–

Climate (2021–2025)

Seventeen Seventy (42km)

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Annual Average 2021–2025
1006.7mm
Monthly Average 2021–2026
96.9mm
Daily Average 2021–2026
3.3mm
Wettest Day 13 May, 2022
183.8mm

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