SEATTLE, WASHINGTON

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Elevation: 37 meters Latitude: 47 39N Longitude: 122 18W

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DAILY WEATHER AVERAGE - 11 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	18.2 ^°C	23.3 ^°C	13.7 ^°C	31.1 ^°C (2013)	10.6 ^°C (2000)
Dewpoint	11.1 ^°C	12.8 ^°C	9.2 ^°C	17.2 ^°C (2004)	-1.7 ^°C (2014)
Humidity	66.5 ^%	85.9 ^%	44.7 ^%		17 ^% (2007)
Barometer	1017.3 ^hPa	1019.3 ^hPa	1015.2 ^hPa	1026.8 ^hPa (2012)	1008.8 ^hPa (2004)
Wind Speed	7.4 ^km/h	17.1 ^km/h		31.5 ^km/h (2004)
Wind Gust		37.5 ^km/h		50.1 ^km/h (2004)
Precipitation	6.35 ^mm			13.21 ^mm (2004)

Weather Element	Average
Visibility	17.9 ^km
Wind Direction	SE (131.1 °)

Total Years on Record: 21

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