Sumner September Weather Averages

Washington, United States of America

September Weather Averages for Sumner

High Temp21°C70°F
Low Temp10°C51°F
Avg Temp15°C59°F
Sunshine Hours203 hours 
Rainfall74.50 mm2.93 In
Rain days6 days 
Pressure1016 mb30 In

 

Sumner September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200921°C / 70°F10°C / 50°F15°C / 59°F258 hours62.20 mm / 2.45 In7 days1017 mb / 31 In
201019°C / 66°F9°C / 49°F14°C / 57°F142 hours122.46 mm / 4.82 In10 days1015 mb / 30 In
201123°C / 73°F10°C / 49°F16°C / 60°F265 hours55.36 mm / 2.18 In4 days1017 mb / 31 In
201223°C / 73°F8°C / 47°F15°C / 58°F301 hours4.40 mm / 0.17 In1 days1019 mb / 31 In
201320°C / 67°F10°C / 50°F14°C / 58°F183 hours244.82 mm / 9.64 In14 days1012 mb / 30 In
201422°C / 71°F10°C / 50°F15°C / 60°F227 hours49.20 mm / 1.94 In4 days1015 mb / 30 In
201519°C / 66°F9°C / 47°F13°C / 56°F194 hours39.10 mm / 1.54 In8 days1016 mb / 30 In
201619°C / 66°F8°C / 47°F13°C / 56°F226 hours70.05 mm / 2.76 In6 days1018 mb / 31 In
201722°C / 72°F12°C / 53°F16°C / 61°F232 hours67.80 mm / 2.67 In7 days1015 mb / 30 In
201820°C / 68°F10°C / 50°F14°C / 58°F211 hours78.80 mm / 3.10 In9 days1016 mb / 30 In
201919°C / 66°F11°C / 51°F14°C / 58°F150 hours127.23 mm / 5.01 In11 days1015 mb / 30 In
202024°C / 75°F13°C / 55°F18°C / 65°F210 hours124.43 mm / 4.90 In7 days1016 mb / 30 In
202121°C / 69°F10°C / 50°F15°C / 59°F170 hours108.86 mm / 4.29 In10 days1016 mb / 30 In
202224°C / 76°F11°C / 52°F17°C / 63°F255 hours5.60 mm / 0.22 In0 days1015 mb / 30 In
202321°C / 71°F10°C / 50°F15°C / 59°F183 hours49.37 mm / 1.94 In5 days1016 mb / 30 In
202421°C / 69°F12°C / 53°F16°C / 61°F143 hours51.32 mm / 2.02 In2 days1016 mb / 30 In
202522°C / 71°F14°C / 57°F17°C / 63°F167 hours10.40 mm / 0.41 In1 days1015 mb / 30 In
202620°C / 68°F10°C / 50°F15°C / 58°F128 hours69.70 mm / 2.74 In10 days1016 mb / 30 In

Need more than one day of Sumner history?

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Weather history near Sumner

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Sumner weather history: common questions

How far back does Sumner 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 Sumner 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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