Iowa City Rainfall Forecast

Today 12 Sep
10%
Sun 13 Sep
50%
Mon 14 Sep
65%
Tue 15 Sep
85%
Wed 16 Sep
90%
Thu 17 Sep
70%
Fri 18 Sep
35%

Iowa City Rainfall Statistics

September Rainfall

Iowa City Municipal Airport (1.2 miles)

Total Rainfall 2026
32in
Daily Average 2026
0.1in
Wettest Day 2 April, 2026
2in
Wet Days 2026
67/255 (26%)
Total Rainfall August
3.8in
Daily Average August
0.1in
Wettest Day 12 August, 2026
1.3in
Wet Days August
10/31 (32%)
Total Rainfall September
1.9in
Daily Average September
0.2in
Wettest Day 8 September, 2026
1.9in
Wet Days September
2/12 (17%)

Climate (2021–2025)

Iowa City Municipal Airport (1.2 miles)

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Annual Average 2021–2025
28.9in
Monthly Average 2021–2026
2.6in
Daily Average 2021–2026
0.1in
Wettest Day 20 June, 2024
2.6in

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