San Antonio September Weather Averages Heredia, Costa Rica

September Weather Averages for San Antonio

High Temp	25°C	78°F
Low Temp	17°C	63°F
Avg Temp	20°C	69°F
Sunshine Hours	47 hours
Rainfall	538.38 mm	21.20 In
Rain days	27 days
Pressure	1012 mb	30 In

San Antonio September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	25°C / 77°F	18°C / 64°F	21°C / 69°F	51 hours	455.54 mm / 17.93 In	27 days	1011 mb / 30 In
2010	23°C / 74°F	17°C / 62°F	20°C / 67°F	12 hours	637.65 mm / 25.10 In	30 days	1011 mb / 30 In
2011	25°C / 77°F	17°C / 63°F	20°C / 69°F	34 hours	613.75 mm / 24.16 In	29 days	1011 mb / 30 In
2012	26°C / 78°F	17°C / 63°F	21°C / 69°F	69 hours	392.59 mm / 15.46 In	27 days	1011 mb / 30 In
2013	25°C / 77°F	18°C / 64°F	21°C / 69°F	34 hours	664.24 mm / 26.15 In	30 days	1010 mb / 30 In
2014	25°C / 78°F	18°C / 64°F	21°C / 70°F	39 hours	598.06 mm / 23.55 In	29 days	1011 mb / 30 In
2015	26°C / 78°F	18°C / 65°F	21°C / 70°F	60 hours	405.53 mm / 15.97 In	29 days	1010 mb / 30 In
2016	26°C / 79°F	18°C / 64°F	21°C / 70°F	68 hours	471.76 mm / 18.57 In	27 days	1012 mb / 30 In
2017	26°C / 78°F	18°C / 64°F	21°C / 70°F	66 hours	616.48 mm / 24.27 In	27 days	1011 mb / 30 In
2018	26°C / 78°F	18°C / 64°F	21°C / 70°F	77 hours	443.89 mm / 17.48 In	28 days	1010 mb / 30 In
2019	25°C / 77°F	17°C / 63°F	21°C / 69°F	62 hours	427.64 mm / 16.84 In	29 days	1011 mb / 30 In
2020	25°C / 78°F	17°C / 63°F	20°C / 69°F	36 hours	486.30 mm / 19.15 In	29 days	1011 mb / 30 In
2021	24°C / 76°F	17°C / 62°F	20°C / 68°F	27 hours	433.47 mm / 17.07 In	29 days	1014 mb / 30 In
2022	24°C / 75°F	17°C / 62°F	20°C / 67°F	11 hours	617.49 mm / 24.31 In	30 days	1013 mb / 30 In
2023	27°C / 81°F	16°C / 60°F	20°C / 68°F	92 hours	580.25 mm / 22.84 In	19 days	1012 mb / 30 In
2024	25°C / 77°F	16°C / 61°F	20°C / 68°F	24 hours	699.98 mm / 27.56 In	17 days	1012 mb / 30 In
2025	26°C / 78°F	15°C / 59°F	19°C / 67°F	43 hours	607.90 mm / 23.93 In	17 days	1014 mb / 30 In

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