San Francisco September Weather Averages San Jose, Costa Rica

September Weather Averages for San Francisco

High Temp	24°C	75°F
Low Temp	16°C	61°F
Avg Temp	19°C	67°F
Sunshine Hours	49 hours
Rainfall	635.74 mm	25.03 In
Rain days	27 days
Pressure	1012 mb	30 In

San Francisco September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	22°C / 72°F	18°C / 64°F	20°C / 68°F	13 hours	826.26 mm / 32.53 In	30 days	1011 mb / 30 In
2009	24°C / 75°F	17°C / 63°F	20°C / 68°F	45 hours	489.08 mm / 19.26 In	25 days	1011 mb / 30 In
2010	22°C / 72°F	16°C / 61°F	19°C / 66°F	8 hours	933.38 mm / 36.75 In	30 days	1011 mb / 30 In
2011	24°C / 75°F	16°C / 62°F	19°C / 67°F	38 hours	785.52 mm / 30.93 In	29 days	1011 mb / 30 In
2012	24°C / 76°F	16°C / 61°F	19°C / 67°F	84 hours	455.21 mm / 17.92 In	27 days	1011 mb / 30 In
2013	24°C / 75°F	17°C / 63°F	20°C / 68°F	28 hours	765.41 mm / 30.13 In	30 days	1010 mb / 30 In
2014	24°C / 75°F	17°C / 62°F	20°C / 67°F	40 hours	742.95 mm / 29.25 In	29 days	1011 mb / 30 In
2015	24°C / 76°F	17°C / 62°F	20°C / 68°F	50 hours	398.47 mm / 15.69 In	30 days	1010 mb / 30 In
2016	25°C / 77°F	16°C / 61°F	20°C / 67°F	85 hours	580.43 mm / 22.85 In	26 days	1012 mb / 30 In
2017	24°C / 76°F	17°C / 62°F	20°C / 68°F	68 hours	773.95 mm / 30.47 In	29 days	1011 mb / 30 In
2018	24°C / 76°F	16°C / 61°F	19°C / 67°F	82 hours	515.84 mm / 20.31 In	30 days	1011 mb / 30 In
2019	24°C / 75°F	16°C / 62°F	20°C / 68°F	61 hours	627.35 mm / 24.70 In	27 days	1011 mb / 30 In
2020	25°C / 77°F	16°C / 60°F	19°C / 67°F	38 hours	579.78 mm / 22.83 In	30 days	1011 mb / 30 In
2021	23°C / 74°F	15°C / 60°F	19°C / 66°F	29 hours	443.31 mm / 17.45 In	28 days	1014 mb / 30 In
2022	23°C / 73°F	15°C / 60°F	18°C / 65°F	6 hours	823.57 mm / 32.42 In	30 days	1014 mb / 30 In
2023	26°C / 79°F	14°C / 57°F	19°C / 66°F	92 hours	545.65 mm / 21.48 In	16 days	1013 mb / 30 In
2024	24°C / 76°F	14°C / 57°F	18°C / 65°F	24 hours	711.91 mm / 28.03 In	9 days	1013 mb / 30 In

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