Mattoon September Weather Averages

Illinois, United States of America

September Weather Averages for Mattoon

High Temp26°C79°F
Low Temp15°C60°F
Avg Temp20°C69°F
Sunshine Hours229 hours 
Rainfall87.20 mm3.43 In
Rain days6 days 
Pressure1017 mb31 In

 

Mattoon September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200925°C / 76°F15°C / 58°F19°C / 67°F244 hours61.60 mm / 2.43 In6 days1018 mb / 31 In
201026°C / 79°F15°C / 59°F20°C / 68°F256 hours66.10 mm / 2.60 In5 days1015 mb / 30 In
201122°C / 72°F13°C / 56°F17°C / 63°F185 hours77.63 mm / 3.06 In7 days1015 mb / 30 In
201223°C / 73°F14°C / 56°F18°C / 64°F224 hours170.48 mm / 6.71 In9 days1016 mb / 30 In
201327°C / 80°F15°C / 59°F21°C / 69°F274 hours23.94 mm / 0.94 In4 days1016 mb / 30 In
201423°C / 74°F13°C / 55°F18°C / 64°F226 hours130.62 mm / 5.14 In5 days1018 mb / 31 In
201526°C / 79°F16°C / 61°F21°C / 69°F209 hours61.21 mm / 2.41 In3 days1017 mb / 31 In
201626°C / 78°F17°C / 62°F21°C / 70°F217 hours104.14 mm / 4.10 In12 days1018 mb / 31 In
201726°C / 79°F16°C / 60°F21°C / 69°F270 hours35.94 mm / 1.41 In3 days1017 mb / 31 In
201825°C / 78°F17°C / 63°F21°C / 70°F230 hours174.27 mm / 6.86 In5 days1018 mb / 31 In
201927°C / 81°F18°C / 64°F22°C / 72°F269 hours44.97 mm / 1.77 In6 days1017 mb / 31 In
202024°C / 76°F15°C / 58°F19°C / 67°F221 hours34.90 mm / 1.37 In4 days1018 mb / 31 In
202127°C / 80°F16°C / 61°F21°C / 70°F240 hours67.80 mm / 2.67 In4 days1016 mb / 30 In
202226°C / 78°F15°C / 59°F20°C / 68°F237 hours80.70 mm / 3.18 In5 days1017 mb / 31 In
202330°C / 86°F14°C / 57°F21°C / 70°F222 hours47.83 mm / 1.88 In3 days1017 mb / 31 In
202427°C / 81°F15°C / 60°F21°C / 70°F218 hours53.00 mm / 2.09 In5 days1016 mb / 30 In
202527°C / 81°F15°C / 59°F21°C / 70°F188 hours295.20 mm / 11.62 In5 days1017 mb / 31 In
202629°C / 85°F18°C / 64°F23°C / 73°F186 hours39.20 mm / 1.54 In9 days1017 mb / 31 In

Need more than one day of Mattoon history?

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

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Mattoon weather history: common questions

How far back does Mattoon 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 Mattoon 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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