The coolest stars are the red dwarfs/red giants, with surface temperatures of 3,500 Kelvin or less. As the surface temperature gets hotter, the color of the star turns orange, and then yellow-orange, and then yellow, yellow-white, and then around 5,800 Kelvin it appears white.
In most years, Seattle averages a daily maximum temperature for September that's between 69 and 73 degrees Fahrenheit (20 to 23 degrees Celsius). The minimum temperature usually falls between 52 and 55 Â°F (11 to 13 Â°C). The days at Seattle begin to cool down quickly during September.
Climate for Seattle C.O., Washington. Seattle C.O.'s coldest month is January when the average temperature overnight is 36.0Â°F. In August, the warmest month, the average day time temperature rises to 74.9Â°F. The driest month in Seattle C.O. is July with 0.93 inches of precipitation, and with 6.06 inches December is the wettest month.