Frederick September Weather Averages Maryland, United States of America

September Weather Averages for Frederick

High Temp	25°C	78°F
Low Temp	15°C	59°F
Avg Temp	20°C	68°F
Sunshine Hours	206 hours
Rainfall	134.29 mm	5.29 In
Rain days	8 days
Pressure	1018 mb	31 In

Frederick September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	26°C / 78°F	15°C / 59°F	20°C / 68°F	243 hours	193.49 mm / 7.62 In	7 days	1019 mb / 31 In
2009	24°C / 74°F	14°C / 58°F	18°C / 65°F	186 hours	65.82 mm / 2.59 In	7 days	1018 mb / 31 In
2010	27°C / 81°F	15°C / 59°F	21°C / 69°F	267 hours	200.91 mm / 7.91 In	7 days	1015 mb / 30 In
2011	25°C / 76°F	15°C / 59°F	19°C / 67°F	136 hours	265.60 mm / 10.46 In	15 days	1016 mb / 30 In
2012	25°C / 77°F	14°C / 58°F	19°C / 66°F	244 hours	120.35 mm / 4.74 In	9 days	1017 mb / 30 In
2013	25°C / 77°F	13°C / 56°F	19°C / 65°F	268 hours	30.92 mm / 1.22 In	4 days	1017 mb / 30 In
2014	25°C / 78°F	14°C / 58°F	19°C / 67°F	229 hours	52.15 mm / 2.05 In	8 days	1019 mb / 31 In
2015	26°C / 79°F	16°C / 60°F	20°C / 69°F	183 hours	127.15 mm / 5.01 In	9 days	1018 mb / 31 In
2016	27°C / 81°F	17°C / 62°F	22°C / 71°F	219 hours	216.59 mm / 8.53 In	8 days	1019 mb / 31 In
2017	24°C / 76°F	15°C / 59°F	19°C / 67°F	234 hours	63.12 mm / 2.48 In	4 days	1017 mb / 31 In
2018	25°C / 76°F	17°C / 63°F	21°C / 69°F	113 hours	274.53 mm / 10.81 In	17 days	1020 mb / 31 In
2019	27°C / 81°F	17°C / 62°F	21°C / 71°F	235 hours	26.76 mm / 1.05 In	5 days	1019 mb / 31 In
2020	24°C / 74°F	14°C / 58°F	19°C / 66°F	185 hours	60.23 mm / 2.37 In	4 days	1019 mb / 31 In
2021	26°C / 79°F	15°C / 59°F	20°C / 68°F	219 hours	147.79 mm / 5.82 In	7 days	1017 mb / 31 In
2022	26°C / 78°F	14°C / 58°F	20°C / 67°F	227 hours	111.10 mm / 4.37 In	8 days	1017 mb / 31 In
2023	26°C / 79°F	14°C / 57°F	19°C / 67°F	182 hours	197.02 mm / 7.76 In	5 days	1018 mb / 31 In
2024	24°C / 75°F	15°C / 59°F	19°C / 66°F	163 hours	188.54 mm / 7.42 In	3 days	1018 mb / 31 In

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