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).
The average daily temperature expected in Seattle in this month is 12C (54F), dropping to an average temperature of 3C (37F). Seattle sees up to 5 hours of sunshine per day throughout the month. The average expectation for rain fall for this month is 98 mm over 16 days.