West Chester September Weather Averages Pennsylvania, United States of America

September Weather Averages for West Chester

High Temp	25°C	77°F
Low Temp	16°C	61°F
Avg Temp	20°C	68°F
Sunshine Hours	202 hours
Rainfall	124.70 mm	4.91 In
Rain days	6 days
Pressure	1018 mb	31 In

West Chester September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	25°C / 76°F	16°C / 61°F	20°C / 68°F	242 hours	175.44 mm / 6.91 In	7 days	1019 mb / 31 In
2009	22°C / 72°F	14°C / 58°F	18°C / 64°F	172 hours	113.97 mm / 4.49 In	6 days	1018 mb / 31 In
2010	26°C / 78°F	16°C / 60°F	21°C / 69°F	248 hours	160.64 mm / 6.32 In	6 days	1014 mb / 30 In
2011	24°C / 75°F	16°C / 61°F	20°C / 67°F	139 hours	189.72 mm / 7.47 In	12 days	1016 mb / 30 In
2012	24°C / 75°F	15°C / 59°F	19°C / 66°F	223 hours	119.19 mm / 4.69 In	8 days	1016 mb / 30 In
2013	24°C / 75°F	13°C / 56°F	18°C / 65°F	290 hours	45.00 mm / 1.77 In	3 days	1016 mb / 30 In
2014	24°C / 76°F	15°C / 58°F	19°C / 66°F	208 hours	49.29 mm / 1.94 In	6 days	1019 mb / 31 In
2015	26°C / 79°F	16°C / 62°F	21°C / 69°F	166 hours	89.94 mm / 3.54 In	6 days	1018 mb / 31 In
2016	27°C / 80°F	17°C / 62°F	21°C / 70°F	227 hours	115.40 mm / 4.54 In	5 days	1019 mb / 31 In
2017	25°C / 78°F	17°C / 63°F	21°C / 70°F	219 hours	41.03 mm / 1.62 In	4 days	1017 mb / 31 In
2018	25°C / 78°F	19°C / 66°F	22°C / 71°F	117 hours	257.75 mm / 10.15 In	14 days	1021 mb / 31 In
2019	26°C / 79°F	18°C / 64°F	22°C / 71°F	250 hours	31.00 mm / 1.22 In	4 days	1019 mb / 31 In
2020	24°C / 76°F	16°C / 61°F	20°C / 68°F	206 hours	100.91 mm / 3.97 In	5 days	1019 mb / 31 In
2021	25°C / 76°F	16°C / 61°F	20°C / 68°F	214 hours	107.40 mm / 4.23 In	6 days	1017 mb / 30 In
2022	25°C / 77°F	15°C / 59°F	20°C / 67°F	224 hours	106.70 mm / 4.20 In	5 days	1017 mb / 31 In
2023	25°C / 77°F	15°C / 59°F	20°C / 67°F	192 hours	196.70 mm / 7.74 In	6 days	1018 mb / 31 In
2024	23°C / 74°F	16°C / 61°F	19°C / 67°F	142 hours	270.51 mm / 10.65 In	5 days	1019 mb / 31 In

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