Petaluma September Weather Averages California, United States of America

September Weather Averages for Petaluma

High Temp	26°C	79°F
Low Temp	14°C	57°F
Avg Temp	19°C	66°F
Sunshine Hours	324 hours
Rainfall	3.28 mm	0.13 In
Rain days	0 days
Pressure	1013 mb	30 In

Petaluma September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	26°C / 78°F	14°C / 58°F	19°C / 66°F	359 hours	0.30 mm / 0.01 In	0 days	1013 mb / 30 In
2009	27°C / 80°F	16°C / 60°F	20°C / 69°F	345 hours	7.10 mm / 0.28 In	1 days	1014 mb / 30 In
2010	27°C / 81°F	14°C / 56°F	19°C / 67°F	344 hours	0.00 mm / 0.00 In	0 days	1013 mb / 30 In
2011	26°C / 78°F	15°C / 58°F	19°C / 67°F	346 hours	2.30 mm / 0.09 In	1 days	1014 mb / 30 In
2012	24°C / 75°F	13°C / 55°F	17°C / 63°F	351 hours	0.00 mm / 0.00 In	0 days	1015 mb / 30 In
2013	24°C / 75°F	14°C / 58°F	19°C / 66°F	324 hours	8.40 mm / 0.33 In	1 days	1013 mb / 30 In
2014	24°C / 76°F	15°C / 59°F	19°C / 66°F	331 hours	4.30 mm / 0.17 In	0 days	1012 mb / 30 In
2015	26°C / 78°F	15°C / 59°F	20°C / 68°F	308 hours	2.00 mm / 0.08 In	1 days	1012 mb / 30 In
2016	25°C / 76°F	14°C / 57°F	19°C / 66°F	357 hours	0.00 mm / 0.00 In	0 days	1014 mb / 30 In
2017	26°C / 79°F	16°C / 62°F	21°C / 70°F	316 hours	0.10 mm / 0.00 In	0 days	1013 mb / 30 In
2018	24°C / 75°F	13°C / 56°F	18°C / 65°F	337 hours	0.90 mm / 0.04 In	0 days	1013 mb / 30 In
2019	25°C / 77°F	15°C / 59°F	20°C / 67°F	339 hours	0.80 mm / 0.03 In	0 days	1013 mb / 30 In
2020	29°C / 83°F	16°C / 61°F	22°C / 71°F	343 hours	0.00 mm / 0.00 In	0 days	1014 mb / 30 In
2021	28°C / 82°F	13°C / 55°F	19°C / 66°F	331 hours	1.30 mm / 0.05 In	0 days	1013 mb / 30 In
2022	28°C / 83°F	14°C / 57°F	20°C / 68°F	305 hours	22.60 mm / 0.89 In	1 days	1011 mb / 30 In
2023	26°C / 78°F	11°C / 52°F	17°C / 62°F	251 hours	2.72 mm / 0.11 In	0 days	1014 mb / 30 In
2024	27°C / 80°F	11°C / 52°F	17°C / 63°F	255 hours	0.04 mm / 0.00 In	0 days	1012 mb / 30 In

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