Des Plaines September Weather Averages

Illinois, United States of America

September Weather Averages for Des Plaines

High Temp24°C75°F
Low Temp16°C61°F
Avg Temp20°C67°F
Sunshine Hours221 hours 
Rainfall95.19 mm3.75 In
Rain days6 days 
Pressure1017 mb31 In

 

Des Plaines September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200922°C / 71°F15°C / 59°F18°C / 65°F237 hours34.87 mm / 1.37 In4 days1018 mb / 31 In
201022°C / 72°F14°C / 58°F18°C / 64°F238 hours91.86 mm / 3.62 In6 days1015 mb / 30 In
201120°C / 67°F14°C / 56°F17°C / 62°F199 hours114.00 mm / 4.49 In9 days1015 mb / 30 In
201222°C / 71°F13°C / 56°F17°C / 63°F275 hours43.97 mm / 1.73 In5 days1016 mb / 30 In
201323°C / 73°F15°C / 59°F19°C / 66°F244 hours50.03 mm / 1.97 In4 days1016 mb / 30 In
201422°C / 71°F13°C / 56°F17°C / 63°F242 hours107.18 mm / 4.22 In6 days1018 mb / 31 In
201524°C / 75°F16°C / 61°F20°C / 67°F204 hours99.79 mm / 3.93 In5 days1018 mb / 31 In
201624°C / 74°F17°C / 63°F20°C / 68°F217 hours87.90 mm / 3.46 In9 days1017 mb / 31 In
201725°C / 77°F17°C / 63°F21°C / 70°F301 hours35.58 mm / 1.40 In4 days1017 mb / 31 In
201824°C / 76°F17°C / 63°F21°C / 69°F218 hours128.54 mm / 5.06 In9 days1019 mb / 31 In
201925°C / 76°F18°C / 65°F21°C / 70°F179 hours197.04 mm / 7.76 In12 days1016 mb / 30 In
202022°C / 72°F15°C / 60°F19°C / 66°F228 hours123.81 mm / 4.87 In6 days1018 mb / 31 In
202126°C / 80°F17°C / 63°F21°C / 71°F252 hours42.00 mm / 1.65 In6 days1014 mb / 30 In
202224°C / 76°F16°C / 60°F20°C / 68°F235 hours66.60 mm / 2.62 In5 days1017 mb / 30 In
202326°C / 79°F16°C / 61°F21°C / 69°F188 hours135.33 mm / 5.33 In4 days1017 mb / 31 In
202426°C / 79°F17°C / 63°F21°C / 70°F239 hours29.69 mm / 1.17 In2 days1017 mb / 31 In
202525°C / 77°F17°C / 62°F21°C / 69°F175 hours146.40 mm / 5.76 In3 days1017 mb / 31 In
202625°C / 77°F16°C / 62°F20°C / 69°F115 hours178.90 mm / 7.04 In13 days1018 mb / 31 In

Need more than one day of Des Plaines history?

Download historical weather for Des Plaines, 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 Des Plaines

Des Plaines weather history: common questions

How far back does Des Plaines 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 Des Plaines 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.

Get your free weather API key in a minute

100,000 calls a month, free for commercial use. No credit card.