Waterloo September Weather Averages

Iowa, United States of America

September Weather Averages for Waterloo

High Temp24°C76°F
Low Temp13°C56°F
Avg Temp18°C65°F
Sunshine Hours223 hours 
Rainfall107.65 mm4.24 In
Rain days6 days 
Pressure1016 mb30 In

 

Waterloo September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200923°C / 73°F12°C / 53°F17°C / 62°F253 hours48.11 mm / 1.89 In2 days1019 mb / 31 In
201022°C / 71°F12°C / 53°F16°C / 61°F206 hours138.86 mm / 5.47 In6 days1014 mb / 30 In
201120°C / 67°F10°C / 50°F15°C / 59°F205 hours57.29 mm / 2.26 In5 days1017 mb / 31 In
201223°C / 73°F11°C / 51°F16°C / 62°F283 hours32.31 mm / 1.27 In4 days1016 mb / 30 In
201325°C / 77°F13°C / 56°F19°C / 66°F271 hours63.32 mm / 2.49 In7 days1015 mb / 30 In
201422°C / 71°F11°C / 52°F16°C / 61°F240 hours115.29 mm / 4.54 In6 days1017 mb / 31 In
201526°C / 78°F15°C / 59°F20°C / 68°F224 hours111.38 mm / 4.39 In6 days1016 mb / 30 In
201624°C / 75°F14°C / 58°F19°C / 66°F211 hours253.94 mm / 10.00 In8 days1017 mb / 31 In
201726°C / 78°F14°C / 57°F19°C / 67°F284 hours67.86 mm / 2.67 In4 days1016 mb / 30 In
201822°C / 72°F14°C / 57°F18°C / 64°F177 hours234.65 mm / 9.24 In10 days1018 mb / 31 In
201924°C / 76°F15°C / 60°F20°C / 68°F161 hours233.16 mm / 9.18 In12 days1015 mb / 30 In
202021°C / 70°F12°C / 53°F16°C / 61°F213 hours119.04 mm / 4.69 In7 days1017 mb / 31 In
202127°C / 81°F14°C / 58°F21°C / 69°F263 hours45.78 mm / 1.80 In5 days1013 mb / 30 In
202226°C / 79°F13°C / 56°F19°C / 67°F267 hours37.00 mm / 1.46 In3 days1016 mb / 30 In
202330°C / 86°F12°C / 54°F21°C / 70°F219 hours74.14 mm / 2.92 In2 days1015 mb / 30 In
202427°C / 81°F13°C / 55°F20°C / 67°F278 hours86.47 mm / 3.40 In1 days1017 mb / 31 In
202525°C / 77°F14°C / 56°F19°C / 67°F167 hours27.80 mm / 1.09 In3 days1017 mb / 30 In
202624°C / 74°F16°C / 61°F19°C / 67°F93 hours191.28 mm / 7.53 In19 days1017 mb / 31 In

Need more than one day of Waterloo history?

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Weather history near Waterloo

Region

Iowa

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Waterloo weather history: common questions

How far back does Waterloo 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 Waterloo 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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