Willow Grove September Weather Averages Pennsylvania, United States of America

September Weather Averages for Willow Grove

High Temp	25°C	77°F
Low Temp	16°C	61°F
Avg Temp	20°C	69°F
Sunshine Hours	208 hours
Rainfall	105.03 mm	4.14 In
Rain days	6 days
Pressure	1018 mb	31 In

Willow Grove September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	22°C / 72°F	14°C / 58°F	18°C / 65°F	176 hours	117.42 mm / 4.62 In	5 days	1018 mb / 31 In
2010	26°C / 79°F	16°C / 61°F	21°C / 69°F	238 hours	129.65 mm / 5.10 In	6 days	1014 mb / 30 In
2011	24°C / 76°F	16°C / 61°F	20°C / 68°F	155 hours	152.43 mm / 6.00 In	13 days	1016 mb / 30 In
2012	24°C / 75°F	15°C / 59°F	19°C / 67°F	239 hours	104.90 mm / 4.13 In	7 days	1016 mb / 30 In
2013	24°C / 75°F	13°C / 56°F	18°C / 65°F	297 hours	47.10 mm / 1.85 In	4 days	1016 mb / 30 In
2014	25°C / 77°F	15°C / 59°F	19°C / 67°F	232 hours	32.57 mm / 1.28 In	5 days	1019 mb / 31 In
2015	26°C / 79°F	16°C / 62°F	21°C / 70°F	177 hours	88.41 mm / 3.48 In	7 days	1018 mb / 31 In
2016	27°C / 80°F	17°C / 62°F	21°C / 70°F	240 hours	105.13 mm / 4.14 In	7 days	1019 mb / 31 In
2017	26°C / 79°F	18°C / 64°F	22°C / 71°F	228 hours	33.50 mm / 1.32 In	3 days	1017 mb / 31 In
2018	26°C / 78°F	19°C / 67°F	22°C / 72°F	118 hours	213.17 mm / 8.39 In	14 days	1021 mb / 31 In
2019	27°C / 80°F	18°C / 65°F	22°C / 72°F	250 hours	26.60 mm / 1.05 In	3 days	1019 mb / 31 In
2020	25°C / 77°F	17°C / 63°F	21°C / 70°F	210 hours	115.90 mm / 4.56 In	6 days	1019 mb / 31 In
2021	25°C / 78°F	17°C / 62°F	21°C / 69°F	207 hours	90.97 mm / 3.58 In	5 days	1016 mb / 30 In
2022	26°C / 78°F	16°C / 61°F	20°C / 69°F	228 hours	98.00 mm / 3.86 In	4 days	1017 mb / 31 In
2023	26°C / 79°F	16°C / 61°F	20°C / 69°F	180 hours	228.42 mm / 8.99 In	9 days	1018 mb / 31 In
2024	24°C / 75°F	17°C / 62°F	20°C / 68°F	145 hours	96.39 mm / 3.79 In	3 days	1019 mb / 31 In

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