San Marcos September Weather Averages California, United States of America

September Weather Averages for San Marcos

High Temp	28°C	82°F
Low Temp	18°C	65°F
Avg Temp	22°C	72°F
Sunshine Hours	330 hours
Rainfall	5.10 mm	0.20 In
Rain days	1 days
Pressure	1012 mb	30 In

San Marcos September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	28°C / 82°F	18°C / 64°F	22°C / 72°F	359 hours	0.00 mm / 0.00 In	0 days	1011 mb / 30 In
2009	29°C / 84°F	18°C / 64°F	22°C / 72°F	360 hours	0.10 mm / 0.00 In	0 days	1012 mb / 30 In
2010	27°C / 80°F	16°C / 60°F	21°C / 69°F	352 hours	0.00 mm / 0.00 In	0 days	1011 mb / 30 In
2011	26°C / 79°F	17°C / 63°F	21°C / 70°F	354 hours	0.00 mm / 0.00 In	0 days	1013 mb / 30 In
2012	29°C / 85°F	20°C / 68°F	24°C / 75°F	347 hours	6.50 mm / 0.26 In	1 days	1013 mb / 30 In
2013	27°C / 81°F	18°C / 65°F	22°C / 72°F	356 hours	1.10 mm / 0.04 In	1 days	1010 mb / 30 In
2014	29°C / 84°F	20°C / 68°F	24°C / 74°F	351 hours	0.90 mm / 0.04 In	1 days	1010 mb / 30 In
2015	29°C / 84°F	20°C / 69°F	24°C / 75°F	284 hours	19.10 mm / 0.75 In	2 days	1011 mb / 30 In
2016	27°C / 80°F	17°C / 63°F	21°C / 70°F	328 hours	9.30 mm / 0.37 In	2 days	1013 mb / 30 In
2017	26°C / 79°F	18°C / 65°F	22°C / 71°F	326 hours	5.40 mm / 0.21 In	1 days	1012 mb / 30 In
2018	26°C / 79°F	19°C / 65°F	22°C / 72°F	357 hours	0.00 mm / 0.00 In	0 days	1011 mb / 30 In
2019	27°C / 81°F	19°C / 66°F	23°C / 73°F	305 hours	11.29 mm / 0.44 In	2 days	1012 mb / 30 In
2020	30°C / 86°F	20°C / 69°F	25°C / 77°F	360 hours	0.00 mm / 0.00 In	0 days	1012 mb / 30 In
2021	28°C / 83°F	18°C / 64°F	22°C / 72°F	355 hours	1.10 mm / 0.04 In	1 days	1012 mb / 30 In
2022	30°C / 86°F	20°C / 68°F	24°C / 76°F	322 hours	22.90 mm / 0.90 In	2 days	1010 mb / 30 In
2023	25°C / 77°F	17°C / 62°F	20°C / 68°F	241 hours	2.72 mm / 0.11 In	1 days	1013 mb / 30 In
2024	27°C / 80°F	18°C / 64°F	22°C / 71°F	284 hours	1.14 mm / 0.04 In	1 days	1010 mb / 30 In

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