Glenn Dale September Weather Averages Maryland, United States of America

September Weather Averages for Glenn Dale

High Temp	26°C	78°F
Low Temp	17°C	63°F
Avg Temp	21°C	70°F
Sunshine Hours	206 hours
Rainfall	139.74 mm	5.50 In
Rain days	8 days
Pressure	1017 mb	31 In

Glenn Dale September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	25°C / 77°F	17°C / 62°F	21°C / 69°F	243 hours	208.42 mm / 8.21 In	10 days	1018 mb / 31 In
2009	24°C / 74°F	16°C / 60°F	19°C / 67°F	196 hours	108.25 mm / 4.26 In	5 days	1018 mb / 31 In
2010	27°C / 81°F	17°C / 63°F	22°C / 71°F	269 hours	221.28 mm / 8.71 In	8 days	1015 mb / 30 In
2011	24°C / 76°F	17°C / 62°F	20°C / 69°F	146 hours	280.90 mm / 11.06 In	14 days	1016 mb / 30 In
2012	25°C / 77°F	16°C / 61°F	20°C / 68°F	253 hours	128.53 mm / 5.06 In	8 days	1017 mb / 30 In
2013	25°C / 77°F	15°C / 59°F	20°C / 67°F	290 hours	34.77 mm / 1.37 In	3 days	1016 mb / 30 In
2014	25°C / 77°F	16°C / 61°F	20°C / 69°F	235 hours	62.13 mm / 2.45 In	7 days	1019 mb / 31 In
2015	27°C / 80°F	18°C / 65°F	22°C / 72°F	165 hours	91.11 mm / 3.59 In	8 days	1018 mb / 31 In
2016	27°C / 80°F	19°C / 66°F	22°C / 72°F	194 hours	210.02 mm / 8.27 In	9 days	1018 mb / 31 In
2017	26°C / 79°F	18°C / 65°F	22°C / 72°F	246 hours	40.23 mm / 1.58 In	3 days	1017 mb / 31 In
2018	27°C / 80°F	21°C / 70°F	24°C / 74°F	108 hours	268.87 mm / 10.59 In	18 days	1020 mb / 31 In
2019	28°C / 82°F	20°C / 67°F	23°C / 74°F	234 hours	31.40 mm / 1.24 In	6 days	1019 mb / 31 In
2020	24°C / 76°F	17°C / 62°F	20°C / 68°F	167 hours	88.37 mm / 3.48 In	8 days	1019 mb / 31 In
2021	27°C / 80°F	17°C / 63°F	21°C / 71°F	221 hours	113.80 mm / 4.48 In	8 days	1016 mb / 30 In
2022	26°C / 80°F	16°C / 61°F	21°C / 69°F	231 hours	135.20 mm / 5.32 In	6 days	1017 mb / 31 In
2023	27°C / 80°F	17°C / 62°F	21°C / 70°F	188 hours	182.35 mm / 7.18 In	6 days	1017 mb / 31 In
2024	25°C / 76°F	17°C / 63°F	21°C / 69°F	152 hours	238.61 mm / 9.39 In	7 days	1018 mb / 31 In

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