Lafayette Rainfall Forecast

Today 14 Sep
No Rain
Tue 15 Sep
55%
Wed 16 Sep
65%
Thu 17 Sep
35%
Fri 18 Sep
20%
Sat 19 Sep
30%
Sun 20 Sep
45%

Lafayette Rainfall Statistics

September Rainfall

Lafayette, Purdue University Airport (3.7 miles)

Total Rainfall 2026
31.2in
Daily Average 2026
0.1in
Wettest Day 6 June, 2026
3.7in
Wet Days 2026
81/257 (32%)
Total Rainfall August
5.5in
Daily Average August
0.2in
Wettest Day 1 August, 2026
1.3in
Wet Days August
14/31 (45%)
Total Rainfall September
0.1in
Daily Average September
0.01in
Wettest Day 9 September, 2026
0.03in
Wet Days September
2/14 (14%)

Climate (2021–2025)

Lafayette, Purdue University Airport (3.7 miles)

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Annual Average 2021–2025
32.9in
Monthly Average 2021–2026
2.8in
Daily Average 2021–2026
0.1in
Wettest Day 6 June, 2026
3.7in

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