Naperville Rainfall Forecast

Today 15 Sep
No Rain
Tue 16 Sep
No Rain
Wed 17 Sep
No Rain
Thu 18 Sep
5%
Fri 19 Sep
20%
Sat 20 Sep
35%
Sun 21 Sep
35%

Naperville Rainfall Statistics

September Rainfall

Chicago / West Chicago, Dupage Airport (9.3 miles)

Total Rainfall 2025
20.9in
Daily Average 2025
0.1in
Wettest Day 27 July, 2025
1.5in
Wet Days 2025
74/258 (29%)
Total Rainfall August
2.9in
Daily Average August
0.1in
Wettest Day 18 August, 2025
1.4in
Wet Days August
7/31 (23%)
Total Rainfall September
0.3in
Daily Average September
0.03in
Wettest Day 13 September, 2025
0.3in
Wet Days September
2/15 (13%)

Climate (2010–Present)

Chicago / West Chicago, Dupage Airport (9.3 miles)

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Annual Average 2020–2024
29.9in
Monthly Average 2020–2025
2.5in
Daily Average 2020–2025
0.1in
Wettest Day 28 July, 2023
3.2in

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