Horsham Rainfall Forecast

Today 27 Sep
95%
Mon 28 Sep
85%
Tue 29 Sep
No Rain
Wed 30 Sep
No Rain
Thu 1 Oct
No Rain
Fri 2 Oct
15%
Sat 3 Oct
20%

Horsham Rainfall Statistics

September Rainfall

Philadelphia - Wings Field Airport (7.5 miles)

Total Rainfall 2026
48.5in
Daily Average 2026
0.2in
Wettest Day 20 August, 2026
4.4in
Wet Days 2026
75/270 (28%)
Total Rainfall August
19in
Daily Average August
0.6in
Wettest Day 20 August, 2026
4.4in
Wet Days August
13/31 (42%)
Total Rainfall September
0.1in
Daily Average September
0.01in
Wettest Day 22 September, 2026
0.1in
Wet Days September
1/27 (4%)

Climate (2021–2025)

Philadelphia - Wings Field Airport (7.5 miles)

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Annual Average 2021–2025
51.4in
Monthly Average 2021–2026
4.6in
Daily Average 2021–2026
0.2in
Wettest Day 30 October, 2025
5.8in

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