Saint Helens September Weather Averages Oregon, United States of America

September Weather Averages for Saint Helens

High Temp	23°C	73°F
Low Temp	11°C	51°F
Avg Temp	16°C	61°F
Sunshine Hours	210 hours
Rainfall	56.84 mm	2.24 In
Rain days	5 days
Pressure	1016 mb	30 In

Saint Helens September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	24°C / 74°F	10°C / 50°F	16°C / 61°F	287 hours	10.10 mm / 0.40 In	2 days	1018 mb / 31 In
2009	23°C / 73°F	10°C / 50°F	16°C / 60°F	235 hours	45.30 mm / 1.78 In	6 days	1017 mb / 31 In
2010	21°C / 69°F	10°C / 50°F	15°C / 59°F	164 hours	95.06 mm / 3.74 In	7 days	1015 mb / 30 In
2011	24°C / 76°F	11°C / 52°F	17°C / 63°F	267 hours	37.56 mm / 1.48 In	5 days	1017 mb / 31 In
2012	24°C / 76°F	9°C / 49°F	16°C / 61°F	326 hours	1.80 mm / 0.07 In	1 days	1019 mb / 31 In
2013	21°C / 69°F	11°C / 52°F	15°C / 59°F	161 hours	191.23 mm / 7.53 In	13 days	1013 mb / 30 In
2014	24°C / 75°F	11°C / 52°F	17°C / 62°F	238 hours	40.69 mm / 1.60 In	2 days	1015 mb / 30 In
2015	21°C / 71°F	9°C / 49°F	15°C / 59°F	189 hours	24.80 mm / 0.98 In	5 days	1016 mb / 30 In
2016	21°C / 69°F	9°C / 48°F	14°C / 58°F	223 hours	29.74 mm / 1.17 In	4 days	1019 mb / 31 In
2017	24°C / 75°F	12°C / 54°F	17°C / 63°F	217 hours	54.08 mm / 2.13 In	7 days	1016 mb / 30 In
2018	22°C / 71°F	10°C / 51°F	15°C / 60°F	215 hours	22.93 mm / 0.90 In	4 days	1017 mb / 31 In
2019	20°C / 68°F	11°C / 52°F	15°C / 59°F	134 hours	102.13 mm / 4.02 In	10 days	1016 mb / 30 In
2020	25°C / 77°F	13°C / 55°F	19°C / 66°F	201 hours	67.98 mm / 2.68 In	4 days	1017 mb / 30 In
2021	23°C / 74°F	10°C / 50°F	16°C / 61°F	206 hours	71.70 mm / 2.82 In	5 days	1017 mb / 30 In
2022	26°C / 80°F	11°C / 53°F	18°C / 64°F	214 hours	9.50 mm / 0.37 In	1 days	1015 mb / 30 In
2023	23°C / 73°F	9°C / 48°F	15°C / 59°F	168 hours	74.71 mm / 2.94 In	5 days	1016 mb / 30 In
2024	23°C / 74°F	11°C / 52°F	16°C / 62°F	194 hours	40.27 mm / 1.59 In	2 days	1015 mb / 30 In

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