Bothell September Weather Averages

Washington, United States of America

September Weather Averages for Bothell

High Temp21°C70°F
Low Temp11°C52°F
Avg Temp16°C60°F
Sunshine Hours199 hours 
Rainfall76.93 mm3.03 In
Rain days6 days 
Pressure1016 mb30 In

 

Bothell September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200921°C / 70°F11°C / 52°F16°C / 60°F264 hours79.20 mm / 3.12 In5 days1017 mb / 31 In
201019°C / 67°F11°C / 52°F15°C / 58°F147 hours129.61 mm / 5.10 In12 days1015 mb / 30 In
201122°C / 72°F12°C / 53°F16°C / 61°F266 hours47.84 mm / 1.88 In5 days1017 mb / 31 In
201222°C / 71°F10°C / 51°F15°C / 60°F320 hours9.20 mm / 0.36 In1 days1019 mb / 31 In
201320°C / 68°F12°C / 53°F16°C / 60°F211 hours188.70 mm / 7.43 In10 days1012 mb / 30 In
201421°C / 71°F12°C / 53°F16°C / 61°F240 hours69.87 mm / 2.75 In5 days1015 mb / 30 In
201519°C / 66°F10°C / 50°F14°C / 58°F200 hours51.66 mm / 2.03 In8 days1016 mb / 30 In
201619°C / 66°F10°C / 50°F14°C / 57°F213 hours79.89 mm / 3.15 In5 days1019 mb / 31 In
201722°C / 72°F13°C / 55°F17°C / 62°F229 hours73.30 mm / 2.89 In7 days1016 mb / 30 In
201820°C / 67°F11°C / 52°F15°C / 59°F205 hours68.50 mm / 2.70 In6 days1017 mb / 30 In
201919°C / 66°F11°C / 53°F15°C / 59°F126 hours147.15 mm / 5.79 In11 days1015 mb / 30 In
202023°C / 74°F13°C / 55°F18°C / 64°F226 hours111.76 mm / 4.40 In6 days1017 mb / 30 In
202120°C / 68°F11°C / 51°F15°C / 59°F146 hours113.01 mm / 4.45 In9 days1016 mb / 30 In
202224°C / 75°F12°C / 53°F17°C / 62°F214 hours7.90 mm / 0.31 In0 days1015 mb / 30 In
202321°C / 70°F10°C / 49°F15°C / 58°F156 hours84.66 mm / 3.33 In5 days1016 mb / 30 In
202421°C / 69°F12°C / 53°F15°C / 60°F135 hours15.48 mm / 0.61 In1 days1016 mb / 30 In
202522°C / 71°F13°C / 56°F17°C / 62°F139 hours47.20 mm / 1.86 In5 days1016 mb / 30 In
202620°C / 68°F11°C / 51°F15°C / 59°F136 hours59.80 mm / 2.35 In8 days1016 mb / 30 In

Need more than one day of Bothell history?

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

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Bothell weather history: common questions

How far back does Bothell 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 Bothell 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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