Chelsea September Weather Averages

Massachusetts, United States of America

September Weather Averages for Chelsea

High Temp23°C73°F
Low Temp15°C58°F
Avg Temp18°C65°F
Sunshine Hours201 hours 
Rainfall98.27 mm3.87 In
Rain days6 days 
Pressure1018 mb31 In

 

Chelsea September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200921°C / 69°F13°C / 55°F17°C / 62°F262 hours51.02 mm / 2.01 In3 days1018 mb / 31 In
201024°C / 75°F15°C / 58°F19°C / 66°F210 hours58.02 mm / 2.28 In6 days1014 mb / 30 In
201122°C / 72°F15°C / 58°F18°C / 65°F195 hours138.26 mm / 5.44 In10 days1017 mb / 31 In
201222°C / 71°F13°C / 56°F17°C / 63°F222 hours88.99 mm / 3.50 In10 days1016 mb / 30 In
201322°C / 71°F12°C / 54°F17°C / 63°F229 hours74.50 mm / 2.93 In6 days1015 mb / 30 In
201423°C / 73°F14°C / 56°F18°C / 64°F243 hours18.60 mm / 0.73 In4 days1019 mb / 31 In
201524°C / 76°F15°C / 60°F20°C / 67°F197 hours98.34 mm / 3.87 In4 days1018 mb / 31 In
201624°C / 74°F15°C / 60°F19°C / 67°F204 hours62.42 mm / 2.46 In6 days1019 mb / 31 In
201724°C / 76°F16°C / 62°F20°C / 68°F225 hours68.94 mm / 2.71 In6 days1016 mb / 30 In
201823°C / 74°F17°C / 63°F20°C / 68°F147 hours134.86 mm / 5.31 In7 days1022 mb / 31 In
201923°C / 74°F15°C / 59°F19°C / 66°F232 hours46.12 mm / 1.82 In5 days1019 mb / 31 In
202024°C / 74°F16°C / 60°F19°C / 67°F236 hours32.60 mm / 1.28 In5 days1019 mb / 31 In
202123°C / 74°F15°C / 59°F19°C / 66°F162 hours159.60 mm / 6.28 In8 days1016 mb / 30 In
202222°C / 72°F14°C / 56°F18°C / 64°F184 hours119.20 mm / 4.69 In5 days1016 mb / 30 In
202324°C / 75°F15°C / 59°F19°C / 66°F182 hours164.57 mm / 6.48 In7 days1018 mb / 31 In
202422°C / 71°F14°C / 58°F18°C / 64°F165 hours217.42 mm / 8.56 In5 days1020 mb / 31 In
202523°C / 74°F15°C / 60°F19°C / 66°F182 hours80.40 mm / 3.17 In6 days1019 mb / 31 In
202621°C / 71°F14°C / 57°F17°C / 63°F133 hours155.00 mm / 6.10 In11 days1018 mb / 31 In

Need more than one day of Chelsea history?

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

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Weather history near Chelsea

Region

Massachusetts

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Chelsea weather history: common questions

How far back does Chelsea 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 Chelsea 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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