Princeton Airport Rainfall Forecast

Today 4 Sep
15%
Fri 5 Sep
55%
Sat 6 Sep
55%
Sun 7 Sep
60%
Mon 8 Sep
10%
Tue 9 Sep
No Rain
Wed 10 Sep
10%

Princeton Airport Rainfall Statistics

September Rainfall

Trenton, Mercer County Airport (11.8 miles)

Total Rainfall 2025
24.8in
Daily Average 2025
0.1in
Wettest Day 14 May, 2025
2in
Wet Days 2025
87/247 (35%)
Total Rainfall August
0.8in
Daily Average August
0.03in
Wettest Day 17 August, 2025
0.5in
Wet Days August
4/31 (13%)
Total Rainfall September
0in
Daily Average September
0in
Wettest Day 1 September, 2025
0in
Wet Days September
–

Climate (2010–Present)

Trenton, Mercer County Airport (11.8 miles)

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Annual Average 2020–2024
42.8in
Monthly Average 2020–2025
3.5in
Daily Average 2020–2025
0.1in
Wettest Day 1 September, 2021
5.6in

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