Olney September Weather Averages Maryland, United States of America

September Weather Averages for Olney

High Temp	26°C	79°F
Low Temp	17°C	62°F
Avg Temp	21°C	70°F
Sunshine Hours	208 hours
Rainfall	130.16 mm	5.12 In
Rain days	8 days
Pressure	1018 mb	31 In

Olney September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	26°C / 78°F	17°C / 62°F	21°C / 69°F	251 hours	224.11 mm / 8.82 In	8 days	1018 mb / 31 In
2009	24°C / 75°F	15°C / 59°F	19°C / 66°F	200 hours	80.28 mm / 3.16 In	5 days	1018 mb / 31 In
2010	27°C / 81°F	16°C / 62°F	22°C / 71°F	268 hours	206.74 mm / 8.14 In	7 days	1015 mb / 30 In
2011	25°C / 76°F	16°C / 61°F	20°C / 68°F	152 hours	275.20 mm / 10.83 In	14 days	1016 mb / 30 In
2012	25°C / 78°F	16°C / 60°F	20°C / 68°F	252 hours	124.33 mm / 4.89 In	7 days	1017 mb / 30 In
2013	25°C / 78°F	15°C / 58°F	20°C / 67°F	281 hours	31.59 mm / 1.24 In	2 days	1017 mb / 30 In
2014	25°C / 78°F	16°C / 60°F	20°C / 68°F	237 hours	63.91 mm / 2.52 In	7 days	1019 mb / 31 In
2015	27°C / 80°F	17°C / 62°F	21°C / 71°F	161 hours	92.95 mm / 3.66 In	7 days	1018 mb / 31 In
2016	27°C / 81°F	18°C / 64°F	22°C / 72°F	192 hours	183.18 mm / 7.21 In	8 days	1018 mb / 31 In
2017	26°C / 79°F	18°C / 64°F	22°C / 71°F	244 hours	41.23 mm / 1.62 In	4 days	1017 mb / 31 In
2018	27°C / 80°F	20°C / 68°F	23°C / 73°F	122 hours	243.06 mm / 9.57 In	19 days	1020 mb / 31 In
2019	28°C / 83°F	19°C / 67°F	24°C / 74°F	237 hours	30.78 mm / 1.21 In	6 days	1019 mb / 31 In
2020	25°C / 76°F	17°C / 62°F	21°C / 69°F	167 hours	78.76 mm / 3.10 In	7 days	1019 mb / 31 In
2021	26°C / 79°F	17°C / 63°F	21°C / 70°F	226 hours	105.18 mm / 4.14 In	8 days	1017 mb / 30 In
2022	26°C / 79°F	16°C / 61°F	21°C / 69°F	236 hours	124.42 mm / 4.90 In	7 days	1017 mb / 31 In
2023	27°C / 80°F	16°C / 61°F	21°C / 70°F	187 hours	185.70 mm / 7.31 In	6 days	1017 mb / 31 In
2024	24°C / 76°F	17°C / 63°F	21°C / 69°F	159 hours	215.30 mm / 8.48 In	6 days	1018 mb / 31 In

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