Princeton Junction Rainfall Forecast

Today 20 Sep
75%
Mon 21 Sep
65%
Tue 22 Sep
35%
Wed 23 Sep
20%
Thu 24 Sep
30%
Fri 25 Sep
35%
Sat 26 Sep
30%

Princeton Junction Rainfall Statistics

September Rainfall

Trenton, Mercer County Airport (10.6 miles)

Total Rainfall 2026
30.3in
Daily Average 2026
0.1in
Wettest Day 3 August, 2026
2.3in
Wet Days 2026
86/263 (33%)
Total Rainfall August
7.7in
Daily Average August
0.2in
Wettest Day 3 August, 2026
2.3in
Wet Days August
13/31 (42%)
Total Rainfall September
2.4in
Daily Average September
0.1in
Wettest Day 13 September, 2026
1in
Wet Days September
4/20 (20%)

Climate (2021–2025)

Trenton, Mercer County Airport (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

Annual Average 2021–2025
40.9in
Monthly Average 2021–2026
3.4in
Daily Average 2021–2026
0.1in
Wettest Day 6 August, 2024
4.4in

Get WillyWeather+ to remove ads