Long Island Rainfall Forecast

Today 6 Sep
40%
Mon 7 Sep
5%
Tue 8 Sep
15%
Wed 9 Sep
50%
Thu 10 Sep
20%
Fri 11 Sep
10%
Sat 12 Sep
5%

Long Island Rainfall Statistics

September Rainfall

Brewster Field Airport (36 miles)

Total Rainfall 2026
27.4in
Daily Average 2026
0.1in
Wettest Day 10 July, 2026
2.8in
Wet Days 2026
59/249 (24%)
Total Rainfall August
3.9in
Daily Average August
0.1in
Wettest Day 14 August, 2026
1.7in
Wet Days August
10/31 (32%)
Total Rainfall September
0in
Daily Average September
0in
Wettest Day 1 September, 2026
0in
Wet Days September
–

Climate (2021–2025)

Brewster Field Airport (36 miles)

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Annual Average 2021–2025
30.9in
Monthly Average 2021–2026
2.6in
Daily Average 2021–2026
0.1in
Wettest Day 29 August, 2025
4.1in

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