Shell Key Channel Rainfall Forecast

Today 19 Sep
50%
Sun 20 Sep
45%
Mon 21 Sep
65%
Tue 22 Sep
55%
Wed 23 Sep
75%
Thu 24 Sep
65%
Fri 25 Sep
60%

Shell Key Channel Rainfall Statistics

September Rainfall

The Florida Keys - Marathon International Airport (27.3 miles)

Total Rainfall 2026
16.8in
Daily Average 2026
0.1in
Wettest Day 16 March, 2026
2.1in
Wet Days 2026
88/262 (34%)
Total Rainfall August
0.5in
Daily Average August
0.02in
Wettest Day 9 August, 2026
0.2in
Wet Days August
8/31 (26%)
Total Rainfall September
0.9in
Daily Average September
0.1in
Wettest Day 4 September, 2026
0.2in
Wet Days September
11/19 (58%)

Climate (2021–2025)

The Florida Keys - Marathon International Airport (27.3 miles)

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Annual Average 2021–2025
40.6in
Monthly Average 2021–2026
3.3in
Daily Average 2021–2026
0.1in
Wettest Day 20 May, 2024
7.1in

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