Harvard September Weather Averages

Illinois, United States of America

September Weather Averages for Harvard

High Temp23°C73°F
Low Temp13°C55°F
Avg Temp18°C64°F
Sunshine Hours208 hours 
Rainfall90.99 mm3.58 In
Rain days7 days 
Pressure1017 mb31 In

 

Harvard September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200922°C / 72°F12°C / 54°F17°C / 62°F236 hours46.53 mm / 1.83 In3 days1019 mb / 31 In
201022°C / 71°F12°C / 54°F17°C / 62°F207 hours78.77 mm / 3.10 In10 days1014 mb / 30 In
201119°C / 66°F11°C / 52°F15°C / 59°F182 hours95.96 mm / 3.78 In6 days1016 mb / 30 In
201222°C / 71°F11°C / 51°F16°C / 60°F245 hours38.30 mm / 1.51 In6 days1016 mb / 30 In
201323°C / 73°F13°C / 55°F18°C / 64°F236 hours29.90 mm / 1.18 In4 days1016 mb / 30 In
201422°C / 71°F11°C / 51°F16°C / 61°F237 hours68.40 mm / 2.69 In6 days1018 mb / 31 In
201524°C / 76°F15°C / 58°F19°C / 66°F210 hours82.76 mm / 3.26 In10 days1017 mb / 31 In
201624°C / 74°F15°C / 59°F19°C / 66°F190 hours75.89 mm / 2.99 In7 days1017 mb / 31 In
201724°C / 75°F13°C / 56°F18°C / 65°F290 hours28.10 mm / 1.11 In4 days1017 mb / 31 In
201823°C / 73°F14°C / 57°F18°C / 64°F189 hours150.70 mm / 5.93 In9 days1019 mb / 31 In
201923°C / 73°F15°C / 59°F19°C / 66°F151 hours176.99 mm / 6.97 In11 days1016 mb / 30 In
202020°C / 68°F12°C / 53°F16°C / 61°F200 hours147.71 mm / 5.82 In10 days1017 mb / 31 In
202126°C / 79°F14°C / 58°F20°C / 68°F246 hours66.00 mm / 2.60 In6 days1014 mb / 30 In
202223°C / 74°F13°C / 55°F18°C / 64°F229 hours117.70 mm / 4.63 In7 days1017 mb / 31 In
202326°C / 80°F12°C / 54°F19°C / 66°F178 hours102.19 mm / 4.02 In3 days1017 mb / 31 In
202424°C / 75°F13°C / 55°F18°C / 64°F230 hours11.82 mm / 0.47 In3 days1017 mb / 31 In
202524°C / 75°F13°C / 55°F18°C / 64°F168 hours113.80 mm / 4.48 In3 days1017 mb / 31 In
202623°C / 74°F15°C / 59°F19°C / 66°F113 hours206.36 mm / 8.12 In15 days1018 mb / 31 In

Need more than one day of Harvard history?

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Weather history near Harvard

Region

Illinois

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Harvard weather history: common questions

How far back does Harvard 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 Harvard 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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