Mill Creek September Weather Averages Washington, United States of America

September Weather Averages for Mill Creek

High Temp	20°C	68°F
Low Temp	12°C	53°F
Avg Temp	15°C	60°F
Sunshine Hours	205 hours
Rainfall	94.42 mm	3.72 In
Rain days	6 days
Pressure	1016 mb	30 In

Mill Creek September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	20°C / 68°F	11°C / 52°F	15°C / 59°F	274 hours	33.10 mm / 1.30 In	3 days	1018 mb / 31 In
2009	20°C / 68°F	12°C / 54°F	16°C / 60°F	264 hours	84.90 mm / 3.34 In	6 days	1017 mb / 31 In
2010	18°C / 65°F	12°C / 53°F	15°C / 58°F	156 hours	155.52 mm / 6.12 In	12 days	1015 mb / 30 In
2011	21°C / 71°F	12°C / 54°F	16°C / 62°F	253 hours	71.55 mm / 2.82 In	5 days	1017 mb / 31 In
2012	21°C / 70°F	11°C / 52°F	16°C / 60°F	325 hours	11.00 mm / 0.43 In	0 days	1019 mb / 31 In
2013	19°C / 67°F	13°C / 55°F	16°C / 60°F	210 hours	229.52 mm / 9.04 In	12 days	1012 mb / 30 In
2014	21°C / 69°F	13°C / 55°F	16°C / 61°F	217 hours	78.93 mm / 3.11 In	6 days	1015 mb / 30 In
2015	19°C / 65°F	11°C / 51°F	14°C / 57°F	176 hours	77.70 mm / 3.06 In	7 days	1016 mb / 30 In
2016	19°C / 66°F	11°C / 51°F	14°C / 58°F	218 hours	104.19 mm / 4.10 In	6 days	1019 mb / 31 In
2017	21°C / 70°F	13°C / 55°F	17°C / 62°F	228 hours	72.10 mm / 2.84 In	6 days	1016 mb / 30 In
2018	19°C / 66°F	11°C / 52°F	15°C / 58°F	191 hours	104.31 mm / 4.11 In	7 days	1017 mb / 30 In
2019	18°C / 65°F	12°C / 54°F	15°C / 58°F	154 hours	151.08 mm / 5.95 In	11 days	1015 mb / 30 In
2020	22°C / 72°F	13°C / 55°F	17°C / 63°F	228 hours	113.90 mm / 4.48 In	7 days	1017 mb / 31 In
2021	19°C / 66°F	10°C / 50°F	14°C / 58°F	152 hours	158.20 mm / 6.23 In	8 days	1016 mb / 30 In
2022	22°C / 72°F	11°C / 52°F	16°C / 61°F	209 hours	6.00 mm / 0.24 In	0 days	1015 mb / 30 In
2023	20°C / 67°F	9°C / 49°F	14°C / 57°F	162 hours	76.15 mm / 3.00 In	5 days	1016 mb / 30 In
2024	19°C / 66°F	11°C / 52°F	15°C / 59°F	132 hours	15.62 mm / 0.61 In	1 days	1016 mb / 30 In

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