Grand Ronde September Weather Averages Oregon, United States of America

September Weather Averages for Grand Ronde

High Temp	23°C	74°F
Low Temp	10°C	50°F
Avg Temp	16°C	61°F
Sunshine Hours	218 hours
Rainfall	56.14 mm	2.21 In
Rain days	4 days
Pressure	1016 mb	30 In

Grand Ronde September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	22°C / 72°F	10°C / 50°F	15°C / 60°F	236 hours	39.30 mm / 1.55 In	4 days	1017 mb / 31 In
2010	21°C / 70°F	9°C / 48°F	14°C / 58°F	164 hours	81.16 mm / 3.20 In	5 days	1016 mb / 30 In
2011	25°C / 77°F	9°C / 49°F	16°C / 61°F	252 hours	18.70 mm / 0.74 In	2 days	1017 mb / 31 In
2012	24°C / 76°F	8°C / 46°F	15°C / 59°F	308 hours	1.10 mm / 0.04 In	0 days	1019 mb / 31 In
2013	21°C / 70°F	10°C / 49°F	15°C / 59°F	126 hours	191.63 mm / 7.54 In	11 days	1013 mb / 30 In
2014	24°C / 76°F	10°C / 50°F	16°C / 61°F	224 hours	45.22 mm / 1.78 In	5 days	1015 mb / 30 In
2015	22°C / 72°F	8°C / 46°F	14°C / 58°F	192 hours	25.30 mm / 1.00 In	2 days	1016 mb / 30 In
2016	22°C / 71°F	8°C / 46°F	14°C / 57°F	249 hours	19.40 mm / 0.76 In	4 days	1019 mb / 31 In
2017	24°C / 76°F	12°C / 53°F	17°C / 63°F	218 hours	77.91 mm / 3.07 In	7 days	1016 mb / 30 In
2018	22°C / 72°F	9°C / 49°F	15°C / 59°F	240 hours	32.30 mm / 1.27 In	5 days	1017 mb / 31 In
2019	20°C / 69°F	10°C / 51°F	15°C / 59°F	171 hours	111.60 mm / 4.39 In	10 days	1016 mb / 30 In
2020	25°C / 78°F	13°C / 56°F	19°C / 66°F	237 hours	60.22 mm / 2.37 In	5 days	1017 mb / 30 In
2021	24°C / 75°F	10°C / 50°F	16°C / 62°F	234 hours	59.80 mm / 2.35 In	6 days	1017 mb / 30 In
2022	26°C / 79°F	12°C / 53°F	18°C / 64°F	254 hours	7.80 mm / 0.31 In	0 days	1015 mb / 30 In
2023	23°C / 74°F	10°C / 50°F	16°C / 60°F	206 hours	65.51 mm / 2.58 In	4 days	1016 mb / 30 In
2024	24°C / 76°F	12°C / 54°F	17°C / 63°F	225 hours	43.15 mm / 1.70 In	1 days	1015 mb / 30 In
2025	24°C / 75°F	13°C / 55°F	17°C / 63°F	171 hours	74.20 mm / 2.92 In	4 days	1015 mb / 30 In

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