Philadelphia September Weather Averages Pennsylvania, United States of America

September Weather Averages for Philadelphia

High Temp	26°C	78°F
Low Temp	17°C	63°F
Avg Temp	21°C	70°F
Sunshine Hours	204 hours
Rainfall	100.39 mm	3.95 In
Rain days	6 days
Pressure	1018 mb	31 In

Philadelphia 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	238 hours	156.88 mm / 6.18 In	7 days	1019 mb / 31 In
2009	23°C / 73°F	15°C / 59°F	19°C / 66°F	183 hours	109.74 mm / 4.32 In	5 days	1018 mb / 31 In
2010	26°C / 80°F	17°C / 62°F	21°C / 70°F	244 hours	114.93 mm / 4.52 In	6 days	1014 mb / 30 In
2011	24°C / 76°F	17°C / 62°F	20°C / 69°F	150 hours	136.22 mm / 5.36 In	11 days	1016 mb / 30 In
2012	24°C / 76°F	16°C / 61°F	20°C / 68°F	229 hours	110.70 mm / 4.36 In	6 days	1016 mb / 30 In
2013	24°C / 76°F	14°C / 57°F	19°C / 66°F	301 hours	47.50 mm / 1.87 In	3 days	1016 mb / 30 In
2014	24°C / 76°F	15°C / 60°F	20°C / 68°F	200 hours	36.43 mm / 1.43 In	6 days	1019 mb / 31 In
2015	26°C / 79°F	17°C / 63°F	21°C / 71°F	161 hours	82.64 mm / 3.25 In	7 days	1018 mb / 31 In
2016	27°C / 80°F	17°C / 63°F	22°C / 71°F	226 hours	106.61 mm / 4.20 In	7 days	1019 mb / 31 In
2017	26°C / 80°F	19°C / 65°F	22°C / 72°F	219 hours	34.20 mm / 1.35 In	5 days	1017 mb / 31 In
2018	26°C / 79°F	20°C / 68°F	23°C / 74°F	108 hours	197.08 mm / 7.76 In	12 days	1021 mb / 31 In
2019	27°C / 81°F	19°C / 66°F	23°C / 73°F	250 hours	26.32 mm / 1.04 In	3 days	1019 mb / 31 In
2020	26°C / 78°F	18°C / 65°F	22°C / 71°F	206 hours	119.20 mm / 4.69 In	5 days	1019 mb / 31 In
2021	26°C / 79°F	18°C / 64°F	21°C / 70°F	227 hours	78.20 mm / 3.08 In	6 days	1016 mb / 30 In
2022	26°C / 79°F	17°C / 62°F	21°C / 70°F	225 hours	88.90 mm / 3.50 In	4 days	1017 mb / 31 In
2023	26°C / 80°F	17°C / 62°F	21°C / 70°F	185 hours	198.61 mm / 7.82 In	7 days	1017 mb / 31 In
2024	25°C / 76°F	18°C / 64°F	21°C / 69°F	145 hours	119.02 mm / 4.69 In	3 days	1019 mb / 31 In

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