Riverdale September Weather Averages

Illinois, United States of America

September Weather Averages for Riverdale

High Temp24°C75°F
Low Temp16°C61°F
Avg Temp20°C68°F
Sunshine Hours221 hours 
Rainfall77.19 mm3.04 In
Rain days6 days 
Pressure1017 mb31 In

 

Riverdale September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200923°C / 73°F15°C / 59°F19°C / 66°F236 hours25.90 mm / 1.02 In4 days1018 mb / 31 In
201023°C / 73°F15°C / 58°F18°C / 65°F252 hours112.40 mm / 4.43 In8 days1015 mb / 30 In
201120°C / 68°F14°C / 57°F17°C / 62°F198 hours124.50 mm / 4.90 In10 days1015 mb / 30 In
201222°C / 72°F14°C / 57°F18°C / 64°F256 hours46.60 mm / 1.83 In5 days1016 mb / 30 In
201324°C / 75°F15°C / 59°F19°C / 67°F232 hours44.79 mm / 1.76 In4 days1016 mb / 30 In
201422°C / 72°F14°C / 57°F18°C / 64°F240 hours89.99 mm / 3.54 In5 days1018 mb / 31 In
201524°C / 76°F16°C / 61°F20°C / 68°F209 hours88.40 mm / 3.48 In6 days1018 mb / 31 In
201624°C / 75°F17°C / 63°F20°C / 69°F214 hours87.81 mm / 3.46 In11 days1017 mb / 31 In
201725°C / 77°F18°C / 64°F21°C / 70°F294 hours34.61 mm / 1.36 In3 days1017 mb / 31 In
201824°C / 76°F17°C / 63°F21°C / 69°F210 hours62.89 mm / 2.48 In8 days1019 mb / 31 In
201925°C / 77°F18°C / 65°F22°C / 71°F196 hours134.27 mm / 5.29 In12 days1017 mb / 31 In
202023°C / 73°F16°C / 60°F19°C / 67°F217 hours79.07 mm / 3.11 In6 days1018 mb / 31 In
202126°C / 79°F18°C / 64°F21°C / 71°F275 hours77.20 mm / 3.04 In5 days1015 mb / 30 In
202224°C / 76°F16°C / 61°F20°C / 68°F222 hours62.60 mm / 2.46 In5 days1017 mb / 31 In
202326°C / 79°F16°C / 61°F21°C / 69°F194 hours76.52 mm / 3.01 In4 days1017 mb / 31 In
202426°C / 78°F17°C / 63°F21°C / 70°F225 hours17.71 mm / 0.70 In0 days1017 mb / 31 In
202525°C / 77°F16°C / 61°F20°C / 69°F189 hours65.80 mm / 2.59 In2 days1017 mb / 31 In
202625°C / 76°F17°C / 63°F21°C / 69°F124 hours158.30 mm / 6.23 In13 days1018 mb / 31 In

Need more than one day of Riverdale history?

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Weather history near Riverdale

Region

Illinois

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Riverdale weather history: common questions

How far back does Riverdale 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 Riverdale 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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