Sisseton Rainfall Forecast

Today 24 Sep
90%
Fri 25 Sep
10%
Sat 26 Sep
65%
Sun 27 Sep
15%
Mon 28 Sep
45%
Tue 29 Sep
80%
Wed 30 Sep
30%

Sisseton Rainfall Statistics

September Rainfall

Sisseton, Sisseton Municipal Airport (2.5 miles)

Total Rainfall 2026
17.6in
Daily Average 2026
0.1in
Wettest Day 31 July, 2026
2.8in
Wet Days 2026
71/267 (27%)
Total Rainfall August
0.2in
Daily Average August
0.01in
Wettest Day 14 August, 2026
0.1in
Wet Days August
7/31 (23%)
Total Rainfall September
2in
Daily Average September
0.1in
Wettest Day 18 September, 2026
1in
Wet Days September
6/24 (25%)

Climate (2021–2025)

Sisseton, Sisseton Municipal Airport (2.5 miles)

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Annual Average 2021–2025
25.3in
Monthly Average 2021–2026
2.1in
Daily Average 2021–2026
0.1in
Wettest Day 31 July, 2026
2.8in

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