Millbrae September Weather Averages

California, United States of America

September Weather Averages for Millbrae

High Temp21°C70°F
Low Temp15°C58°F
Avg Temp17°C63°F
Sunshine Hours285 hours 
Rainfall5.28 mm0.21 In
Rain days0 days 
Pressure1013 mb30 In

 

Millbrae September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200924°C / 76°F15°C / 59°F19°C / 66°F346 hours7.10 mm / 0.28 In1 days1014 mb / 30 In
201023°C / 73°F14°C / 58°F18°C / 64°F325 hours0.00 mm / 0.00 In0 days1013 mb / 30 In
201121°C / 71°F15°C / 59°F18°C / 64°F343 hours2.30 mm / 0.09 In1 days1014 mb / 30 In
201220°C / 67°F13°C / 56°F16°C / 61°F341 hours0.00 mm / 0.00 In0 days1015 mb / 30 In
201321°C / 69°F15°C / 59°F18°C / 64°F313 hours8.40 mm / 0.33 In1 days1013 mb / 30 In
201422°C / 71°F16°C / 60°F18°C / 65°F330 hours4.30 mm / 0.17 In0 days1012 mb / 30 In
201522°C / 72°F16°C / 60°F19°C / 65°F291 hours2.00 mm / 0.08 In1 days1012 mb / 30 In
201621°C / 70°F14°C / 57°F17°C / 63°F324 hours0.00 mm / 0.00 In0 days1015 mb / 30 In
201723°C / 74°F17°C / 63°F20°C / 68°F299 hours0.10 mm / 0.00 In0 days1013 mb / 30 In
201821°C / 69°F14°C / 58°F17°C / 63°F319 hours0.90 mm / 0.04 In0 days1013 mb / 30 In
201921°C / 71°F16°C / 60°F18°C / 65°F320 hours0.80 mm / 0.03 In0 days1014 mb / 30 In
202023°C / 73°F16°C / 61°F19°C / 66°F335 hours0.00 mm / 0.00 In0 days1014 mb / 30 In
202121°C / 70°F13°C / 55°F16°C / 61°F323 hours1.30 mm / 0.05 In0 days1014 mb / 30 In
202222°C / 71°F14°C / 58°F17°C / 63°F298 hours22.60 mm / 0.89 In1 days1012 mb / 30 In
202319°C / 66°F13°C / 56°F16°C / 60°F204 hours2.79 mm / 0.11 In0 days1015 mb / 30 In
202419°C / 65°F13°C / 55°F15°C / 59°F165 hours1.83 mm / 0.07 In0 days1012 mb / 30 In
202518°C / 65°F15°C / 58°F16°C / 61°F23 hours36.00 mm / 1.42 In1 days1014 mb / 30 In
202621°C / 69°F14°C / 57°F17°C / 63°F226 hours4.60 mm / 0.18 In1 days1014 mb / 30 In

Need more than one day of Millbrae history?

Download historical weather for Millbrae, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

  • Historical weatherDaily and hourly interval data.
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Weather history near Millbrae

Region

California

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Millbrae weather history: common questions

How far back does Millbrae 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 Millbrae 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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