Simi Valley September Weather Averages

California, United States of America

September Weather Averages for Simi Valley

High Temp28°C82°F
Low Temp18°C64°F
Avg Temp23°C73°F
Sunshine Hours332 hours 
Rainfall4.66 mm0.18 In
Rain days1 days 
Pressure1012 mb30 In

 

Simi Valley September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200928°C / 82°F18°C / 64°F23°C / 73°F354 hours0.00 mm / 0.00 In0 days1013 mb / 30 In
201026°C / 79°F16°C / 61°F21°C / 69°F359 hours0.00 mm / 0.00 In0 days1012 mb / 30 In
201125°C / 77°F17°C / 62°F21°C / 70°F353 hours0.30 mm / 0.01 In0 days1013 mb / 30 In
201227°C / 81°F19°C / 66°F23°C / 73°F338 hours2.00 mm / 0.08 In1 days1014 mb / 30 In
201326°C / 79°F17°C / 63°F22°C / 71°F354 hours1.80 mm / 0.07 In1 days1011 mb / 30 In
201427°C / 81°F19°C / 65°F23°C / 73°F351 hours1.20 mm / 0.05 In1 days1011 mb / 30 In
201528°C / 82°F19°C / 66°F23°C / 73°F284 hours12.80 mm / 0.50 In1 days1011 mb / 30 In
201626°C / 78°F17°C / 63°F21°C / 70°F352 hours1.30 mm / 0.05 In0 days1014 mb / 30 In
201725°C / 78°F18°C / 64°F22°C / 71°F351 hours3.63 mm / 0.14 In1 days1012 mb / 30 In
201826°C / 79°F18°C / 64°F22°C / 71°F360 hours0.00 mm / 0.00 In0 days1012 mb / 30 In
201926°C / 78°F18°C / 65°F22°C / 71°F326 hours1.10 mm / 0.04 In0 days1012 mb / 30 In
202032°C / 90°F20°C / 68°F26°C / 78°F360 hours0.00 mm / 0.00 In0 days1013 mb / 30 In
202130°C / 87°F18°C / 64°F23°C / 74°F360 hours0.00 mm / 0.00 In0 days1012 mb / 30 In
202232°C / 89°F20°C / 69°F25°C / 77°F306 hours17.50 mm / 0.69 In2 days1010 mb / 30 In
202327°C / 81°F15°C / 59°F20°C / 69°F279 hours1.57 mm / 0.06 In0 days1013 mb / 30 In
202431°C / 87°F18°C / 64°F23°C / 74°F326 hours0.14 mm / 0.01 In0 days1010 mb / 30 In
202530°C / 86°F18°C / 65°F23°C / 73°F259 hours15.60 mm / 0.61 In1 days1013 mb / 30 In
202631°C / 87°F18°C / 65°F23°C / 74°F300 hours24.90 mm / 0.98 In3 days1012 mb / 30 In

Need more than one day of Simi Valley history?

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

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Weather history near Simi Valley

Region

California

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Simi Valley weather history: common questions

How far back does Simi Valley 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 Simi Valley 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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