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 sliding 31-day rainfall during September in Seattle is rapidly increasing, starting the month at 1.3 inches, when it rarely exceeds 2.9 inches or falls below 0.1 inches, and ending the month at 2.7 inches, when it rarely exceeds 5.1 inches or falls below 0.6 inches.