Northampton Rainfall Forecast

Today 18 Sep
20%
Fri 19 Sep
No Rain
Sat 20 Sep
No Rain
Sun 21 Sep
5%
Mon 22 Sep
5%
Tue 23 Sep
25%
Wed 24 Sep
25%

Northampton Rainfall Statistics

September Rainfall

Allentown, Lehigh Valley International Airport (3.1 miles)

Total Rainfall 2025
28.3in
Daily Average 2025
0.1in
Wettest Day 31 March, 2025
1.8in
Wet Days 2025
92/261 (35%)
Total Rainfall August
1.6in
Daily Average August
0.1in
Wettest Day 20 August, 2025
0.5in
Wet Days August
7/31 (23%)
Total Rainfall September
0.1in
Daily Average September
0in
Wettest Day 10 September, 2025
0.1in
Wet Days September
2/18 (11%)

Climate (2010–Present)

Allentown, Lehigh Valley International Airport (3.1 miles)

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Annual Average 2020–2024
45.4in
Monthly Average 2020–2025
3.7in
Daily Average 2020–2025
0.1in
Wettest Day 1 September, 2021
4.1in

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