Mount Vernon September Weather Averages Washington, United States of America

September Weather Averages for Mount Vernon

High Temp	19°C	65°F
Low Temp	11°C	52°F
Avg Temp	15°C	58°F
Sunshine Hours	204 hours
Rainfall	95.01 mm	3.74 In
Rain days	7 days
Pressure	1016 mb	30 In

Mount Vernon September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	19°C / 67°F	10°C / 50°F	14°C / 57°F	265 hours	23.70 mm / 0.93 In	4 days	1018 mb / 31 In
2009	20°C / 68°F	11°C / 52°F	15°C / 59°F	249 hours	107.22 mm / 4.22 In	9 days	1017 mb / 31 In
2010	17°C / 62°F	12°C / 53°F	14°C / 57°F	158 hours	198.53 mm / 7.82 In	10 days	1015 mb / 30 In
2011	19°C / 67°F	12°C / 53°F	15°C / 60°F	237 hours	70.02 mm / 2.76 In	6 days	1017 mb / 31 In
2012	19°C / 65°F	11°C / 52°F	14°C / 58°F	319 hours	8.32 mm / 0.33 In	0 days	1019 mb / 31 In
2013	18°C / 64°F	12°C / 54°F	15°C / 59°F	185 hours	235.93 mm / 9.29 In	14 days	1012 mb / 30 In
2014	19°C / 66°F	12°C / 54°F	16°C / 60°F	218 hours	80.79 mm / 3.18 In	6 days	1015 mb / 30 In
2015	18°C / 64°F	10°C / 50°F	14°C / 57°F	204 hours	55.98 mm / 2.20 In	6 days	1016 mb / 30 In
2016	18°C / 64°F	10°C / 51°F	14°C / 57°F	237 hours	67.89 mm / 2.67 In	6 days	1019 mb / 31 In
2017	20°C / 69°F	12°C / 54°F	16°C / 61°F	242 hours	54.90 mm / 2.16 In	5 days	1016 mb / 30 In
2018	18°C / 65°F	11°C / 52°F	14°C / 58°F	191 hours	117.23 mm / 4.62 In	12 days	1017 mb / 31 In
2019	18°C / 64°F	12°C / 53°F	14°C / 58°F	127 hours	166.73 mm / 6.56 In	11 days	1015 mb / 30 In
2020	20°C / 68°F	13°C / 55°F	16°C / 61°F	216 hours	81.48 mm / 3.21 In	5 days	1017 mb / 31 In
2021	18°C / 65°F	11°C / 51°F	14°C / 58°F	161 hours	162.70 mm / 6.41 In	9 days	1016 mb / 30 In
2022	21°C / 70°F	12°C / 53°F	16°C / 61°F	237 hours	5.50 mm / 0.22 In	1 days	1015 mb / 30 In
2023	18°C / 64°F	10°C / 50°F	13°C / 56°F	161 hours	54.59 mm / 2.15 In	4 days	1016 mb / 30 In
2024	17°C / 62°F	11°C / 52°F	14°C / 57°F	123 hours	52.27 mm / 2.06 In	3 days	1016 mb / 30 In

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