San Luis Obispo September Weather Averages California, United States of America

September Weather Averages for San Luis Obispo

High Temp	27°C	80°F
Low Temp	16°C	60°F
Avg Temp	20°C	69°F
Sunshine Hours	338 hours
Rainfall	2.78 mm	0.11 In
Rain days	0 days
Pressure	1013 mb	30 In

San Luis Obispo September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	28°C / 83°F	15°C / 59°F	21°C / 70°F	360 hours	0.00 mm / 0.00 In	0 days	1013 mb / 30 In
2009	30°C / 86°F	16°C / 62°F	22°C / 72°F	346 hours	0.00 mm / 0.00 In	0 days	1013 mb / 30 In
2010	27°C / 81°F	14°C / 58°F	20°C / 67°F	360 hours	0.00 mm / 0.00 In	0 days	1012 mb / 30 In
2011	26°C / 79°F	16°C / 61°F	21°C / 69°F	353 hours	0.00 mm / 0.00 In	0 days	1014 mb / 30 In
2012	27°C / 80°F	17°C / 62°F	21°C / 69°F	348 hours	0.80 mm / 0.03 In	0 days	1014 mb / 30 In
2013	26°C / 80°F	16°C / 61°F	21°C / 69°F	353 hours	0.40 mm / 0.02 In	0 days	1012 mb / 30 In
2014	26°C / 79°F	17°C / 62°F	21°C / 69°F	348 hours	0.70 mm / 0.03 In	0 days	1011 mb / 30 In
2015	28°C / 83°F	18°C / 64°F	22°C / 72°F	305 hours	4.10 mm / 0.16 In	1 days	1012 mb / 30 In
2016	26°C / 79°F	15°C / 59°F	20°C / 68°F	357 hours	0.00 mm / 0.00 In	0 days	1014 mb / 30 In
2017	26°C / 79°F	17°C / 63°F	21°C / 70°F	336 hours	6.73 mm / 0.26 In	0 days	1013 mb / 30 In
2018	26°C / 78°F	15°C / 59°F	20°C / 67°F	355 hours	0.00 mm / 0.00 In	0 days	1013 mb / 30 In
2019	26°C / 79°F	15°C / 60°F	20°C / 68°F	336 hours	0.00 mm / 0.00 In	0 days	1013 mb / 30 In
2020	29°C / 84°F	17°C / 63°F	23°C / 73°F	354 hours	0.00 mm / 0.00 In	0 days	1013 mb / 30 In
2021	26°C / 80°F	15°C / 59°F	20°C / 68°F	360 hours	0.00 mm / 0.00 In	0 days	1013 mb / 30 In
2022	28°C / 83°F	17°C / 63°F	22°C / 72°F	313 hours	28.00 mm / 1.10 In	2 days	1011 mb / 30 In
2023	25°C / 76°F	12°C / 54°F	17°C / 63°F	283 hours	3.58 mm / 0.14 In	0 days	1014 mb / 30 In
2024	25°C / 77°F	13°C / 56°F	18°C / 65°F	299 hours	0.17 mm / 0.01 In	0 days	1012 mb / 30 In

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