Hotter still is the core. In the sun this is thought to be 10 - 20 million degrees. These temperatures are due to the pressure caused by gravity trying to compress the star. It has to be this temperature for fusion of hydrogen to take place.
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).
Home : Climate Graphs: Washington : Seattle C.O. 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.