La Mesa September Weather Averages

California, United States of America

September Weather Averages for La Mesa

High Temp28°C83°F
Low Temp19°C67°F
Avg Temp23°C74°F
Sunshine Hours320 hours 
Rainfall6.84 mm0.27 In
Rain days1 days 
Pressure1012 mb30 In

 

La Mesa September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200929°C / 84°F18°C / 64°F22°C / 72°F360 hours0.00 mm / 0.00 In0 days1012 mb / 30 In
201028°C / 82°F16°C / 60°F21°C / 70°F351 hours1.10 mm / 0.04 In1 days1011 mb / 30 In
201127°C / 80°F18°C / 64°F22°C / 71°F352 hours1.10 mm / 0.04 In0 days1013 mb / 30 In
201230°C / 86°F20°C / 69°F24°C / 76°F346 hours9.70 mm / 0.38 In2 days1013 mb / 30 In
201328°C / 82°F19°C / 66°F22°C / 72°F357 hours0.30 mm / 0.01 In0 days1010 mb / 30 In
201429°C / 84°F20°C / 68°F24°C / 75°F350 hours4.30 mm / 0.17 In2 days1010 mb / 30 In
201529°C / 85°F20°C / 69°F24°C / 76°F275 hours15.49 mm / 0.61 In3 days1011 mb / 30 In
201627°C / 80°F17°C / 63°F21°C / 71°F327 hours21.55 mm / 0.85 In2 days1013 mb / 30 In
201726°C / 79°F19°C / 67°F22°C / 72°F307 hours4.80 mm / 0.19 In2 days1012 mb / 30 In
201826°C / 80°F19°C / 66°F22°C / 72°F348 hours0.00 mm / 0.00 In0 days1011 mb / 30 In
201928°C / 82°F20°C / 67°F23°C / 74°F309 hours7.00 mm / 0.28 In1 days1012 mb / 30 In
202031°C / 88°F22°C / 72°F26°C / 79°F360 hours0.00 mm / 0.00 In0 days1012 mb / 30 In
202129°C / 85°F20°C / 67°F24°C / 75°F347 hours2.40 mm / 0.09 In1 days1012 mb / 30 In
202230°C / 87°F22°C / 71°F25°C / 78°F309 hours29.10 mm / 1.15 In2 days1010 mb / 30 In
202327°C / 80°F18°C / 64°F22°C / 71°F238 hours3.82 mm / 0.15 In0 days1013 mb / 30 In
202428°C / 83°F20°C / 68°F23°C / 74°F281 hours0.30 mm / 0.01 In0 days1010 mb / 30 In
202528°C / 83°F20°C / 67°F23°C / 74°F267 hours4.10 mm / 0.16 In0 days1013 mb / 30 In
202629°C / 85°F20°C / 68°F24°C / 75°F284 hours18.00 mm / 0.71 In3 days1012 mb / 30 In

Need more than one day of La Mesa history?

Download historical weather for La Mesa, 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

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La Mesa weather history: common questions

How far back does La Mesa 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 La Mesa 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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