Duluth Rainfall Forecast

Today 15 Sep
30%
Tue 16 Sep
20%
Wed 17 Sep
30%
Thu 18 Sep
35%
Fri 19 Sep
30%
Sat 20 Sep
40%
Sun 21 Sep
30%

Duluth Rainfall Statistics

September Rainfall

Duluth - Sky Harbor Airport (5 miles)

Total Rainfall 2025
2.3in
Daily Average 2025
0.01in
Wettest Day 19 July, 2025
0.3in
Wet Days 2025
36/258 (14%)
Total Rainfall August
0.02in
Daily Average August
0in
Wettest Day 5 August, 2025
0.02in
Wet Days August
1/31 (3%)
Total Rainfall September
0.01in
Daily Average September
0in
Wettest Day 10 September, 2025
0.01in
Wet Days September
1/15 (7%)

Climate (2010–Present)

Duluth - Sky Harbor Airport (5 miles)

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Annual Average 2020–2024
14.5in
Monthly Average 2020–2025
1.2in
Daily Average 2020–2025
0.04in
Wettest Day 24 September, 2023
2.6in

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