Redwood City September Weather Averages

California, United States of America

September Weather Averages for Redwood City

High Temp24°C75°F
Low Temp15°C58°F
Avg Temp18°C65°F
Sunshine Hours309 hours 
Rainfall4.61 mm0.18 In
Rain days0 days 
Pressure1013 mb30 In

 

Redwood City September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200926°C / 79°F14°C / 57°F19°C / 67°F344 hours4.40 mm / 0.17 In0 days1014 mb / 30 In
201023°C / 73°F13°C / 56°F18°C / 64°F334 hours0.60 mm / 0.02 In0 days1013 mb / 30 In
201123°C / 74°F14°C / 58°F18°C / 65°F349 hours0.40 mm / 0.02 In0 days1014 mb / 30 In
201222°C / 71°F13°C / 55°F17°C / 62°F346 hours0.00 mm / 0.00 In0 days1015 mb / 30 In
201322°C / 72°F14°C / 57°F18°C / 64°F321 hours16.14 mm / 0.64 In1 days1013 mb / 30 In
201423°C / 73°F15°C / 59°F18°C / 65°F326 hours2.20 mm / 0.09 In1 days1012 mb / 30 In
201525°C / 77°F16°C / 60°F20°C / 67°F307 hours3.90 mm / 0.15 In1 days1012 mb / 30 In
201624°C / 75°F14°C / 58°F18°C / 65°F350 hours0.00 mm / 0.00 In0 days1015 mb / 30 In
201726°C / 79°F18°C / 64°F21°C / 70°F312 hours1.20 mm / 0.05 In0 days1013 mb / 30 In
201824°C / 74°F15°C / 59°F18°C / 65°F349 hours0.00 mm / 0.00 In0 days1013 mb / 30 In
201924°C / 74°F17°C / 62°F20°C / 67°F326 hours3.20 mm / 0.13 In1 days1014 mb / 30 In
202026°C / 79°F17°C / 62°F21°C / 69°F349 hours0.20 mm / 0.01 In0 days1014 mb / 30 In
202126°C / 78°F13°C / 56°F18°C / 65°F342 hours0.40 mm / 0.02 In0 days1014 mb / 30 In
202226°C / 79°F15°C / 59°F19°C / 67°F303 hours13.40 mm / 0.53 In1 days1012 mb / 30 In
202323°C / 73°F13°C / 55°F17°C / 62°F251 hours2.30 mm / 0.09 In0 days1015 mb / 30 In
202424°C / 75°F13°C / 55°F17°C / 63°F270 hours1.54 mm / 0.06 In0 days1012 mb / 30 In
202523°C / 73°F15°C / 59°F18°C / 64°F113 hours30.50 mm / 1.20 In1 days1014 mb / 30 In
202624°C / 75°F13°C / 56°F18°C / 64°F270 hours2.60 mm / 0.10 In0 days1014 mb / 30 In

Need more than one day of Redwood City history?

Download historical weather for Redwood City, 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 Redwood City

Redwood City weather history: common questions

How far back does Redwood City 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 Redwood City 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.