Millbrae September Weather Averages

California, United States of America

September Weather Averages for Millbrae

High Temp22°C72°F
Low Temp15°C59°F
Avg Temp18°C64°F
Sunshine Hours288 hours 
Rainfall4.53 mm0.18 In
Rain days0 days 
Pressure1013 mb30 In

 

Millbrae September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200925°C / 77°F15°C / 59°F19°C / 67°F345 hours3.80 mm / 0.15 In0 days1014 mb / 30 In
201022°C / 72°F14°C / 58°F18°C / 64°F328 hours0.10 mm / 0.00 In0 days1013 mb / 30 In
201122°C / 72°F15°C / 59°F18°C / 65°F344 hours0.30 mm / 0.01 In0 days1014 mb / 30 In
201221°C / 69°F13°C / 56°F16°C / 62°F340 hours0.00 mm / 0.00 In0 days1015 mb / 30 In
201321°C / 71°F15°C / 59°F18°C / 64°F320 hours11.18 mm / 0.44 In1 days1013 mb / 30 In
201422°C / 72°F16°C / 60°F19°C / 66°F323 hours2.80 mm / 0.11 In1 days1012 mb / 30 In
201524°C / 74°F16°C / 60°F19°C / 66°F280 hours2.40 mm / 0.09 In1 days1012 mb / 30 In
201622°C / 72°F14°C / 58°F18°C / 64°F342 hours0.00 mm / 0.00 In0 days1015 mb / 30 In
201725°C / 77°F18°C / 64°F21°C / 69°F301 hours1.20 mm / 0.05 In0 days1013 mb / 30 In
201822°C / 72°F14°C / 58°F18°C / 64°F337 hours0.00 mm / 0.00 In0 days1013 mb / 30 In
201923°C / 73°F16°C / 62°F19°C / 66°F322 hours0.70 mm / 0.03 In0 days1014 mb / 30 In
202024°C / 75°F16°C / 61°F19°C / 67°F338 hours0.00 mm / 0.00 In0 days1014 mb / 30 In
202122°C / 71°F13°C / 56°F17°C / 62°F335 hours0.10 mm / 0.00 In0 days1014 mb / 30 In
202223°C / 73°F15°C / 58°F18°C / 64°F303 hours14.90 mm / 0.59 In1 days1012 mb / 30 In
202320°C / 67°F13°C / 56°F16°C / 61°F214 hours3.04 mm / 0.12 In0 days1015 mb / 30 In
202419°C / 66°F13°C / 55°F16°C / 60°F173 hours1.78 mm / 0.07 In0 days1012 mb / 30 In
202519°C / 66°F15°C / 58°F16°C / 61°F31 hours35.60 mm / 1.40 In1 days1014 mb / 30 In
202622°C / 72°F14°C / 57°F17°C / 63°F211 hours3.60 mm / 0.14 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.
  • Yearly monthly averagesMonthly averages for every year since 2009.
  • Monthly climate averagesLong-term climate normals by month.
  • CSV formatReady for Excel, Python, R or your database.
Buy historical weather data Or use the History API

Hotels near Millbrae

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.

Quick and Easy Signup for Weather API

WeatherAPI.com makes it super easy to integrate our realtime, daily, hourly and 15 min interval weather forecast data, historical weather, marine weather, bulk request, air quality data, pollen, evapotranspiration, autocomplete, time zone, astronomy and sports data into your new or existing project.