Nantucket Harbor - Brant Point Lighthouse Rainfall Forecast

Today 9 Sep
15%
Thu 10 Sep
35%
Fri 11 Sep
35%
Sat 12 Sep
No Rain
Sun 13 Sep
30%
Mon 14 Sep
25%
Tue 15 Sep
5%

Nantucket Harbor - Brant Point Lighthouse Rainfall Statistics

September Rainfall

Nantucket, Nantucket Memorial Airport (2.5 miles)

Total Rainfall 2026
10.7in
Daily Average 2026
0.04in
Wettest Day 27 July, 2026
1.1in
Wet Days 2026
51/252 (20%)
Total Rainfall August
2.5in
Daily Average August
0.1in
Wettest Day 21 August, 2026
0.9in
Wet Days August
9/31 (29%)
Total Rainfall September
0.5in
Daily Average September
0.1in
Wettest Day 3 September, 2026
0.4in
Wet Days September
4/9 (44%)

Climate (2021–2025)

Nantucket, Nantucket Memorial Airport (2.5 miles)

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Annual Average 2021–2025
26.9in
Monthly Average 2021–2026
2.2in
Daily Average 2021–2026
0.1in
Wettest Day 26 October, 2022
2.7in

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