Vallejo September Weather Averages

California, United States of America

September Weather Averages for Vallejo

High Temp27°C81°F
Low Temp14°C57°F
Avg Temp20°C67°F
Sunshine Hours311 hours 
Rainfall4.88 mm0.19 In
Rain days1 days 
Pressure1013 mb30 In

 

Vallejo September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200930°C / 85°F15°C / 59°F21°C / 70°F349 hours3.50 mm / 0.14 In0 days1014 mb / 30 In
201029°C / 84°F13°C / 55°F20°C / 68°F342 hours0.00 mm / 0.00 In0 days1013 mb / 30 In
201128°C / 82°F14°C / 57°F20°C / 68°F350 hours1.70 mm / 0.07 In1 days1014 mb / 30 In
201226°C / 79°F12°C / 54°F18°C / 64°F338 hours0.00 mm / 0.00 In0 days1015 mb / 30 In
201326°C / 78°F14°C / 57°F19°C / 66°F336 hours9.20 mm / 0.36 In1 days1013 mb / 30 In
201426°C / 79°F14°C / 57°F19°C / 67°F332 hours3.40 mm / 0.13 In1 days1012 mb / 30 In
201528°C / 82°F15°C / 59°F20°C / 69°F308 hours2.70 mm / 0.11 In1 days1012 mb / 30 In
201626°C / 79°F13°C / 55°F19°C / 66°F355 hours0.00 mm / 0.00 In0 days1014 mb / 30 In
201728°C / 82°F17°C / 62°F22°C / 71°F314 hours2.60 mm / 0.10 In0 days1013 mb / 30 In
201826°C / 79°F13°C / 56°F19°C / 66°F335 hours0.00 mm / 0.00 In0 days1013 mb / 30 In
201927°C / 80°F16°C / 60°F21°C / 69°F340 hours0.30 mm / 0.01 In0 days1013 mb / 30 In
202029°C / 85°F17°C / 62°F22°C / 72°F354 hours0.00 mm / 0.00 In0 days1014 mb / 30 In
202128°C / 83°F13°C / 55°F19°C / 67°F342 hours0.60 mm / 0.02 In0 days1013 mb / 30 In
202229°C / 84°F15°C / 59°F21°C / 69°F301 hours30.00 mm / 1.18 In3 days1011 mb / 30 In
202324°C / 76°F13°C / 55°F17°C / 63°F256 hours1.94 mm / 0.08 In0 days1014 mb / 30 In
202426°C / 79°F13°C / 55°F18°C / 65°F257 hours0.17 mm / 0.01 In0 days1011 mb / 30 In
202525°C / 77°F14°C / 58°F18°C / 65°F139 hours29.10 mm / 1.15 In2 days1013 mb / 30 In
202624°C / 76°F15°C / 58°F19°C / 66°F248 hours2.70 mm / 0.11 In1 days1013 mb / 30 In

Need more than one day of Vallejo history?

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

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Vallejo weather history: common questions

How far back does Vallejo 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 Vallejo 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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