Watertown September Weather Averages

Massachusetts, United States of America

September Weather Averages for Watertown

High Temp23°C74°F
Low Temp14°C58°F
Avg Temp18°C65°F
Sunshine Hours204 hours 
Rainfall94.14 mm3.71 In
Rain days6 days 
Pressure1018 mb31 In

 

Watertown September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200921°C / 70°F13°C / 55°F17°C / 62°F257 hours38.84 mm / 1.53 In5 days1018 mb / 31 In
201024°C / 75°F15°C / 58°F19°C / 66°F225 hours52.60 mm / 2.07 In6 days1014 mb / 30 In
201123°C / 74°F15°C / 58°F18°C / 65°F200 hours117.22 mm / 4.62 In10 days1017 mb / 31 In
201222°C / 72°F13°C / 55°F17°C / 63°F229 hours85.20 mm / 3.35 In9 days1016 mb / 30 In
201322°C / 72°F12°C / 54°F17°C / 63°F233 hours41.64 mm / 1.64 In5 days1015 mb / 30 In
201423°C / 74°F13°C / 56°F18°C / 64°F251 hours19.30 mm / 0.76 In3 days1019 mb / 31 In
201525°C / 77°F15°C / 59°F20°C / 67°F201 hours71.14 mm / 2.80 In3 days1018 mb / 31 In
201624°C / 76°F15°C / 59°F19°C / 67°F205 hours58.40 mm / 2.30 In6 days1019 mb / 31 In
201724°C / 76°F16°C / 61°F20°C / 68°F218 hours64.83 mm / 2.55 In6 days1016 mb / 30 In
201824°C / 75°F16°C / 62°F20°C / 68°F163 hours140.65 mm / 5.54 In7 days1022 mb / 31 In
201924°C / 75°F14°C / 58°F19°C / 65°F258 hours33.30 mm / 1.31 In6 days1019 mb / 31 In
202024°C / 75°F15°C / 60°F19°C / 67°F228 hours43.90 mm / 1.73 In5 days1019 mb / 31 In
202124°C / 75°F15°C / 58°F19°C / 66°F161 hours151.80 mm / 5.98 In9 days1016 mb / 30 In
202223°C / 73°F13°C / 56°F18°C / 64°F183 hours143.90 mm / 5.67 In5 days1016 mb / 30 In
202324°C / 75°F15°C / 58°F19°C / 66°F179 hours171.25 mm / 6.74 In5 days1018 mb / 31 In
202422°C / 72°F14°C / 57°F17°C / 63°F174 hours219.62 mm / 8.65 In6 days1020 mb / 31 In
202523°C / 74°F15°C / 60°F19°C / 66°F179 hours76.40 mm / 3.01 In5 days1019 mb / 31 In
202622°C / 72°F13°C / 56°F17°C / 63°F131 hours164.60 mm / 6.48 In12 days1018 mb / 31 In

Need more than one day of Watertown history?

Download historical weather for Watertown, 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 Watertown

Region

Massachusetts

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Watertown weather history: common questions

How far back does Watertown 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 Watertown 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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