Saint Helena Island Rainfall Forecast

Today 12 Sep
No Rain
Sat 13 Sep
10%
Sun 14 Sep
10%
Mon 15 Sep
10%
Tue 16 Sep
5%
Wed 17 Sep
5%
Thu 18 Sep
10%

Saint Helena Island Rainfall Statistics

September Rainfall

New Haven, Tweed-New Haven Airport (5.6 miles)

Total Rainfall 2025
21.9in
Daily Average 2025
0.1in
Wettest Day 16 February, 2025
1.4in
Wet Days 2025
88/255 (35%)
Total Rainfall August
1in
Daily Average August
0.03in
Wettest Day 20 August, 2025
0.7in
Wet Days August
4/31 (13%)
Total Rainfall September
1.8in
Daily Average September
0.2in
Wettest Day 6 September, 2025
0.8in
Wet Days September
3/12 (25%)

Climate (2010–Present)

New Haven, Tweed-New Haven Airport (5.6 miles)

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Annual Average 2020–2024
39.9in
Monthly Average 2020–2025
3.3in
Daily Average 2020–2025
0.1in
Wettest Day 1 September, 2021
4in

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