Sullivan Island State Marine Park Rainfall Forecast

Today 10 Sep
5%
Fri 11 Sep
No Rain
Sat 12 Sep
No Rain
Sun 13 Sep
No Rain
Mon 14 Sep
No Rain
Tue 15 Sep
25%
Wed 16 Sep
35%

Sullivan Island State Marine Park Rainfall Statistics

September Rainfall

Haines - Haines Airport (20.5 miles)

Total Rainfall 2026
21.5in
Daily Average 2026
0.1in
Wettest Day 13 January, 2026
1.7in
Wet Days 2026
85/253 (34%)
Total Rainfall August
2.1in
Daily Average August
0.1in
Wettest Day 21 August, 2026
0.7in
Wet Days August
13/31 (42%)
Total Rainfall September
0.03in
Daily Average September
0in
Wettest Day 1 September, 2026
0.03in
Wet Days September
1/10 (10%)

Climate (2021–2025)

Haines - Haines Airport (20.5 miles)

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Annual Average 2021–2025
49.2in
Monthly Average 2021–2026
4.7in
Daily Average 2021–2026
0.2in
Wettest Day 14 September, 2023
3.1in

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