Key Biscayne Rainfall Forecast

Today 14 Sep
25%
Tue 15 Sep
35%
Wed 16 Sep
80%
Thu 17 Sep
80%
Fri 18 Sep
70%
Sat 19 Sep
70%
Sun 20 Sep
80%

Key Biscayne Rainfall Statistics

September Rainfall

Miami, Miami International Airport (11.2 miles)

Total Rainfall 2026
33in
Daily Average 2026
0.1in
Wettest Day 27 July, 2026
1.8in
Wet Days 2026
94/257 (37%)
Total Rainfall August
6in
Daily Average August
0.2in
Wettest Day 3 August, 2026
1.2in
Wet Days August
15/31 (48%)
Total Rainfall September
4.2in
Daily Average September
0.4in
Wettest Day 1 September, 2026
1.3in
Wet Days September
10/14 (71%)

Climate (2021–2025)

Miami, Miami International Airport (11.2 miles)

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Annual Average 2021–2025
67.8in
Monthly Average 2021–2026
5.5in
Daily Average 2021–2026
0.2in
Wettest Day 15 November, 2023
7.5in

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