Grafton September Weather Averages

Massachusetts, United States of America

September Weather Averages for Grafton

High Temp23°C74°F
Low Temp13°C56°F
Avg Temp18°C64°F
Sunshine Hours195 hours 
Rainfall114.24 mm4.50 In
Rain days7 days 
Pressure1018 mb31 In

 

Grafton September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200921°C / 70°F12°C / 53°F16°C / 61°F240 hours38.11 mm / 1.50 In4 days1018 mb / 31 In
201024°C / 75°F14°C / 57°F19°C / 65°F219 hours65.16 mm / 2.57 In5 days1014 mb / 30 In
201123°C / 74°F14°C / 57°F18°C / 65°F180 hours138.06 mm / 5.44 In10 days1017 mb / 31 In
201222°C / 72°F12°C / 54°F17°C / 62°F214 hours116.17 mm / 4.57 In9 days1016 mb / 30 In
201322°C / 72°F11°C / 52°F17°C / 62°F229 hours83.87 mm / 3.30 In5 days1015 mb / 30 In
201423°C / 74°F13°C / 55°F18°C / 64°F257 hours26.20 mm / 1.03 In4 days1019 mb / 31 In
201525°C / 77°F14°C / 58°F19°C / 67°F178 hours119.94 mm / 4.72 In4 days1018 mb / 31 In
201624°C / 76°F14°C / 57°F19°C / 66°F215 hours75.38 mm / 2.97 In7 days1019 mb / 31 In
201724°C / 76°F15°C / 58°F19°C / 66°F204 hours66.32 mm / 2.61 In6 days1016 mb / 30 In
201823°C / 74°F15°C / 59°F19°C / 66°F150 hours170.58 mm / 6.72 In9 days1022 mb / 31 In
201924°C / 75°F13°C / 55°F18°C / 64°F247 hours39.39 mm / 1.55 In6 days1019 mb / 31 In
202023°C / 74°F14°C / 56°F18°C / 65°F223 hours63.42 mm / 2.50 In5 days1019 mb / 31 In
202123°C / 74°F14°C / 57°F18°C / 65°F182 hours168.18 mm / 6.62 In11 days1016 mb / 30 In
202223°C / 73°F12°C / 54°F17°C / 63°F174 hours157.00 mm / 6.18 In7 days1016 mb / 30 In
202324°C / 75°F13°C / 55°F18°C / 64°F160 hours235.27 mm / 9.26 In6 days1018 mb / 31 In
202422°C / 71°F12°C / 54°F16°C / 62°F167 hours187.07 mm / 7.36 In4 days1020 mb / 31 In
202522°C / 72°F14°C / 57°F18°C / 64°F155 hours100.40 mm / 3.95 In5 days1019 mb / 31 In
202622°C / 71°F13°C / 55°F17°C / 62°F119 hours205.90 mm / 8.11 In12 days1018 mb / 31 In

Need more than one day of Grafton history?

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

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Grafton weather history: common questions

How far back does Grafton 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 Grafton 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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