Smithtown September Weather Averages

New York, United States of America

September Weather Averages for Smithtown

High Temp23°C74°F
Low Temp18°C65°F
Avg Temp21°C69°F
Sunshine Hours210 hours 
Rainfall120.04 mm4.73 In
Rain days6 days 
Pressure1018 mb31 In

 

Smithtown September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200922°C / 71°F17°C / 63°F19°C / 67°F238 hours59.99 mm / 2.36 In2 days1018 mb / 31 In
201023°C / 73°F19°C / 65°F21°C / 69°F250 hours99.19 mm / 3.91 In5 days1014 mb / 30 In
201122°C / 72°F19°C / 65°F20°C / 69°F204 hours139.97 mm / 5.51 In10 days1016 mb / 30 In
201223°C / 73°F19°C / 65°F21°C / 69°F226 hours161.10 mm / 6.34 In8 days1016 mb / 30 In
201322°C / 71°F16°C / 62°F19°C / 66°F278 hours68.08 mm / 2.68 In5 days1016 mb / 30 In
201423°C / 73°F18°C / 64°F20°C / 69°F268 hours51.74 mm / 2.04 In5 days1018 mb / 31 In
201524°C / 75°F19°C / 66°F22°C / 71°F170 hours105.29 mm / 4.15 In5 days1018 mb / 31 In
201624°C / 74°F19°C / 67°F21°C / 71°F231 hours85.28 mm / 3.36 In9 days1019 mb / 31 In
201724°C / 75°F19°C / 66°F21°C / 70°F239 hours68.42 mm / 2.69 In6 days1016 mb / 30 In
201824°C / 75°F20°C / 68°F22°C / 71°F152 hours190.48 mm / 7.50 In12 days1021 mb / 31 In
201923°C / 73°F19°C / 66°F21°C / 69°F241 hours52.99 mm / 2.09 In3 days1019 mb / 31 In
202023°C / 74°F18°C / 65°F21°C / 70°F215 hours77.41 mm / 3.05 In4 days1019 mb / 31 In
202124°C / 75°F19°C / 66°F21°C / 70°F189 hours153.57 mm / 6.05 In7 days1016 mb / 30 In
202224°C / 75°F18°C / 64°F21°C / 69°F227 hours76.70 mm / 3.02 In4 days1017 mb / 30 In
202324°C / 76°F18°C / 64°F21°C / 69°F182 hours278.39 mm / 10.96 In8 days1017 mb / 31 In
202422°C / 72°F18°C / 64°F20°C / 68°F182 hours99.87 mm / 3.93 In4 days1019 mb / 31 In
202523°C / 74°F18°C / 64°F20°C / 68°F146 hours173.30 mm / 6.82 In5 days1019 mb / 31 In
202623°C / 74°F17°C / 62°F20°C / 68°F149 hours218.90 mm / 8.62 In13 days1017 mb / 31 In

Need more than one day of Smithtown history?

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Smithtown weather history: common questions

How far back does Smithtown 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 Smithtown 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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