Rossmoor September Weather Averages California, United States of America

September Weather Averages for Rossmoor

High Temp	27°C	81°F
Low Temp	20°C	67°F
Avg Temp	23°C	73°F
Sunshine Hours	330 hours
Rainfall	3.87 mm	0.15 In
Rain days	0 days
Pressure	1012 mb	30 In

Rossmoor September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	29°C / 85°F	18°C / 65°F	23°C / 74°F	356 hours	0.00 mm / 0.00 In	0 days	1013 mb / 30 In
2010	26°C / 80°F	17°C / 62°F	21°C / 70°F	349 hours	0.10 mm / 0.00 In	0 days	1012 mb / 30 In
2011	25°C / 78°F	18°C / 64°F	21°C / 70°F	357 hours	1.80 mm / 0.07 In	0 days	1013 mb / 30 In
2012	28°C / 83°F	20°C / 68°F	24°C / 75°F	335 hours	2.50 mm / 0.10 In	1 days	1014 mb / 30 In
2013	27°C / 80°F	19°C / 66°F	22°C / 72°F	350 hours	1.10 mm / 0.04 In	0 days	1011 mb / 30 In
2014	28°C / 82°F	20°C / 69°F	24°C / 75°F	341 hours	4.70 mm / 0.19 In	0 days	1011 mb / 30 In
2015	28°C / 83°F	21°C / 70°F	24°C / 76°F	308 hours	16.60 mm / 0.65 In	1 days	1011 mb / 30 In
2016	27°C / 80°F	19°C / 66°F	22°C / 72°F	340 hours	3.90 mm / 0.15 In	1 days	1014 mb / 30 In
2017	27°C / 80°F	21°C / 69°F	24°C / 75°F	339 hours	5.10 mm / 0.20 In	0 days	1012 mb / 30 In
2018	27°C / 80°F	20°C / 68°F	23°C / 74°F	355 hours	0.00 mm / 0.00 In	0 days	1012 mb / 30 In
2019	27°C / 81°F	21°C / 70°F	24°C / 75°F	301 hours	2.40 mm / 0.09 In	0 days	1012 mb / 30 In
2020	30°C / 86°F	21°C / 71°F	25°C / 78°F	359 hours	0.20 mm / 0.01 In	0 days	1012 mb / 30 In
2021	27°C / 80°F	19°C / 66°F	22°C / 72°F	352 hours	0.10 mm / 0.00 In	0 days	1012 mb / 30 In
2022	29°C / 84°F	22°C / 71°F	25°C / 77°F	325 hours	19.50 mm / 0.77 In	1 days	1010 mb / 30 In
2023	24°C / 76°F	18°C / 64°F	21°C / 70°F	239 hours	3.74 mm / 0.15 In	0 days	1013 mb / 30 In
2024	26°C / 78°F	19°C / 66°F	22°C / 72°F	268 hours	0.18 mm / 0.01 In	0 days	1010 mb / 30 In

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