San Francisco Bay - Seaplane Harbor Rainfall Forecast

Today 6 Sep
No Rain
Mon 7 Sep
No Rain
Tue 8 Sep
20%
Wed 9 Sep
10%
Thu 10 Sep
15%
Fri 11 Sep
5%
Sat 12 Sep
5%

San Francisco Bay - Seaplane Harbor Rainfall Statistics

September Rainfall

San Francisco, San Francisco International Airport (1.2 miles)

Total Rainfall 2026
10.8in
Daily Average 2026
0.04in
Wettest Day 4 January, 2026
1.3in
Wet Days 2026
34/249 (14%)
Total Rainfall August
0.03in
Daily Average August
0in
Wettest Day 14 August, 2026
0.02in
Wet Days August
2/31 (6%)
Total Rainfall September
0.01in
Daily Average September
0in
Wettest Day 3 September, 2026
0.01in
Wet Days September
1/6 (17%)

Climate (2021–2025)

San Francisco, San Francisco International Airport (1.2 miles)

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Annual Average 2021–2025
20.2in
Monthly Average 2021–2026
1.8in
Daily Average 2021–2026
0.1in
Wettest Day 24 October, 2021
4in

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