Trenton Rainfall Forecast

Today 23 Sep
5%
Thu 24 Sep
No Rain
Fri 25 Sep
25%
Sat 26 Sep
45%
Sun 27 Sep
50%
Mon 28 Sep
20%
Tue 29 Sep
5%

Trenton Rainfall Statistics

September Rainfall

Trenton, Mercer County Airport (5.6 miles)

Total Rainfall 2026
31.5in
Daily Average 2026
0.1in
Wettest Day 3 August, 2026
2.3in
Wet Days 2026
88/266 (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
3.6in
Daily Average September
0.2in
Wettest Day 20 September, 2026
1in
Wet Days September
6/23 (26%)

Climate (2021–2025)

Trenton, Mercer County Airport (5.6 miles)

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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

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