Trenton September Weather Averages

New Jersey, United States of America

September Weather Averages for Trenton

High Temp25°C77°F
Low Temp16°C61°F
Avg Temp20°C68°F
Sunshine Hours194 hours 
Rainfall115.79 mm4.56 In
Rain days7 days 
Pressure1018 mb31 In

 

Trenton September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200922°C / 72°F14°C / 57°F18°C / 64°F182 hours116.44 mm / 4.58 In5 days1018 mb / 31 In
201026°C / 79°F16°C / 61°F21°C / 69°F233 hours124.34 mm / 4.90 In6 days1014 mb / 30 In
201124°C / 75°F16°C / 61°F20°C / 68°F139 hours156.63 mm / 6.17 In12 days1016 mb / 30 In
201224°C / 75°F15°C / 59°F19°C / 67°F228 hours121.79 mm / 4.79 In9 days1016 mb / 30 In
201324°C / 74°F13°C / 55°F18°C / 64°F292 hours55.23 mm / 2.17 In3 days1016 mb / 30 In
201425°C / 76°F14°C / 58°F19°C / 67°F228 hours45.66 mm / 1.80 In6 days1019 mb / 31 In
201526°C / 79°F16°C / 62°F21°C / 70°F159 hours106.10 mm / 4.18 In6 days1018 mb / 31 In
201626°C / 79°F17°C / 62°F21°C / 70°F240 hours89.24 mm / 3.51 In8 days1019 mb / 31 In
201726°C / 79°F17°C / 63°F21°C / 70°F222 hours44.67 mm / 1.76 In4 days1017 mb / 30 In
201826°C / 78°F19°C / 66°F22°C / 72°F100 hours214.70 mm / 8.45 In15 days1021 mb / 31 In
201926°C / 80°F17°C / 63°F21°C / 71°F254 hours26.02 mm / 1.02 In2 days1019 mb / 31 In
202025°C / 77°F17°C / 62°F21°C / 69°F197 hours111.40 mm / 4.39 In4 days1019 mb / 31 In
202126°C / 78°F17°C / 62°F21°C / 69°F204 hours92.32 mm / 3.63 In7 days1016 mb / 30 In
202226°C / 79°F16°C / 60°F20°C / 69°F230 hours87.71 mm / 3.45 In4 days1017 mb / 31 In
202326°C / 78°F16°C / 60°F20°C / 68°F174 hours227.85 mm / 8.97 In8 days1017 mb / 31 In
202424°C / 75°F16°C / 61°F20°C / 68°F146 hours85.38 mm / 3.36 In2 days1019 mb / 31 In
202525°C / 77°F17°C / 62°F20°C / 69°F128 hours237.20 mm / 9.34 In4 days1019 mb / 31 In
202625°C / 78°F16°C / 62°F21°C / 69°F129 hours141.60 mm / 5.57 In12 days1018 mb / 31 In

Need more than one day of Trenton history?

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

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Trenton weather history: common questions

How far back does Trenton 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 Trenton 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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