Chester September Weather Averages Pennsylvania, United States of America

September Weather Averages for Chester

High Temp	26°C	78°F
Low Temp	17°C	62°F
Avg Temp	21°C	70°F
Sunshine Hours	208 hours
Rainfall	113.80 mm	4.48 In
Rain days	7 days
Pressure	1018 mb	31 In

Chester September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	26°C / 78°F	16°C / 62°F	21°C / 69°F	250 hours	172.95 mm / 6.81 In	7 days	1019 mb / 31 In
2009	23°C / 73°F	15°C / 59°F	19°C / 66°F	182 hours	130.31 mm / 5.13 In	5 days	1018 mb / 31 In
2010	26°C / 79°F	16°C / 62°F	21°C / 70°F	255 hours	127.29 mm / 5.01 In	6 days	1014 mb / 30 In
2011	25°C / 77°F	17°C / 62°F	20°C / 69°F	150 hours	155.98 mm / 6.14 In	11 days	1016 mb / 30 In
2012	25°C / 76°F	16°C / 61°F	20°C / 68°F	230 hours	121.68 mm / 4.79 In	8 days	1016 mb / 30 In
2013	25°C / 76°F	14°C / 57°F	19°C / 66°F	302 hours	53.91 mm / 2.12 In	3 days	1016 mb / 30 In
2014	25°C / 77°F	15°C / 60°F	20°C / 68°F	217 hours	52.86 mm / 2.08 In	6 days	1019 mb / 31 In
2015	27°C / 80°F	17°C / 63°F	22°C / 71°F	177 hours	71.62 mm / 2.82 In	7 days	1018 mb / 31 In
2016	27°C / 81°F	17°C / 63°F	22°C / 71°F	231 hours	131.07 mm / 5.16 In	7 days	1019 mb / 31 In
2017	27°C / 80°F	18°C / 64°F	22°C / 71°F	211 hours	29.60 mm / 1.17 In	4 days	1017 mb / 31 In
2018	26°C / 79°F	20°C / 68°F	23°C / 73°F	114 hours	246.23 mm / 9.69 In	16 days	1021 mb / 31 In
2019	27°C / 81°F	18°C / 65°F	22°C / 72°F	268 hours	44.72 mm / 1.76 In	4 days	1019 mb / 31 In
2020	25°C / 78°F	18°C / 64°F	21°C / 70°F	208 hours	108.12 mm / 4.26 In	5 days	1019 mb / 31 In
2021	26°C / 79°F	17°C / 62°F	21°C / 70°F	226 hours	95.17 mm / 3.75 In	8 days	1016 mb / 30 In
2022	26°C / 79°F	16°C / 61°F	21°C / 69°F	230 hours	101.80 mm / 4.01 In	5 days	1017 mb / 31 In
2023	26°C / 79°F	16°C / 61°F	21°C / 69°F	191 hours	185.82 mm / 7.32 In	7 days	1017 mb / 31 In
2024	24°C / 76°F	17°C / 63°F	20°C / 69°F	138 hours	164.64 mm / 6.48 In	6 days	1019 mb / 31 In

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