Cupertino September Weather Averages

California, United States of America

September Weather Averages for Cupertino

High Temp27°C81°F
Low Temp15°C59°F
Avg Temp20°C68°F
Sunshine Hours317 hours 
Rainfall5.14 mm0.20 In
Rain days1 days 
Pressure1013 mb30 In

 

Cupertino September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200928°C / 83°F14°C / 58°F20°C / 69°F347 hours5.60 mm / 0.22 In0 days1014 mb / 30 In
201027°C / 80°F14°C / 57°F19°C / 67°F330 hours1.00 mm / 0.04 In0 days1013 mb / 30 In
201126°C / 79°F15°C / 59°F20°C / 67°F346 hours0.70 mm / 0.03 In1 days1014 mb / 30 In
201225°C / 76°F13°C / 56°F18°C / 64°F349 hours0.00 mm / 0.00 In0 days1015 mb / 30 In
201324°C / 75°F14°C / 57°F18°C / 65°F343 hours8.90 mm / 0.35 In1 days1013 mb / 30 In
201425°C / 77°F15°C / 58°F19°C / 67°F325 hours6.50 mm / 0.26 In1 days1012 mb / 30 In
201528°C / 83°F16°C / 61°F21°C / 70°F288 hours3.10 mm / 0.12 In1 days1012 mb / 30 In
201627°C / 80°F15°C / 59°F20°C / 68°F350 hours0.10 mm / 0.00 In0 days1015 mb / 30 In
201728°C / 83°F19°C / 66°F23°C / 73°F317 hours6.06 mm / 0.24 In2 days1013 mb / 30 In
201827°C / 80°F16°C / 60°F20°C / 68°F348 hours0.00 mm / 0.00 In0 days1013 mb / 30 In
201927°C / 80°F17°C / 63°F21°C / 71°F324 hours2.40 mm / 0.09 In1 days1014 mb / 30 In
202031°C / 87°F18°C / 65°F24°C / 75°F355 hours0.00 mm / 0.00 In0 days1014 mb / 30 In
202130°C / 86°F14°C / 58°F21°C / 70°F349 hours0.10 mm / 0.00 In0 days1013 mb / 30 In
202230°C / 86°F16°C / 60°F22°C / 71°F312 hours24.50 mm / 0.96 In1 days1012 mb / 30 In
202327°C / 81°F11°C / 53°F18°C / 64°F274 hours2.09 mm / 0.08 In0 days1014 mb / 30 In
202429°C / 84°F13°C / 56°F20°C / 68°F309 hours1.30 mm / 0.05 In0 days1012 mb / 30 In
202525°C / 77°F15°C / 59°F19°C / 67°F172 hours26.50 mm / 1.04 In2 days1014 mb / 30 In
202628°C / 82°F14°C / 57°F20°C / 67°F275 hours3.70 mm / 0.15 In1 days1014 mb / 30 In

Need more than one day of Cupertino history?

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Weather history near Cupertino

Region

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Cupertino weather history: common questions

How far back does Cupertino weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Cupertino historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

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