Collegeville Rainfall Forecast

Today 13 Sep
25%
Mon 14 Sep
10%
Tue 15 Sep
55%
Wed 16 Sep
80%
Thu 17 Sep
60%
Fri 18 Sep
40%
Sat 19 Sep
45%

Collegeville Rainfall Statistics

September Rainfall

Rensselaer Jasper County Airport (2.5 miles)

Total Rainfall 2026
33.1in
Daily Average 2026
0.1in
Wettest Day 18 July, 2026
2.3in
Wet Days 2026
66/256 (26%)
Total Rainfall August
5.9in
Daily Average August
0.2in
Wettest Day 1 August, 2026
1.3in
Wet Days August
9/31 (29%)
Total Rainfall September
0.1in
Daily Average September
0.01in
Wettest Day 10 September, 2026
0.1in
Wet Days September
1/13 (8%)

Climate (2021–2025)

Rensselaer Jasper County Airport (2.5 miles)

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Annual Average 2021–2025
31.8in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 5 August, 2023
5.6in

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