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).
September was a fairly dry month in Seattle, with just half the normal precipitation. More noteworthy, however, was the monthâs average temperature, which ended up 0.8 degrees below normal.That broke an 18-month stretch of warmer-than-normal months in Seattle, dating back to March 2014.eptember was a fairly dry month in Seattle, with just half the normal precipitation. More noteworthy, however, was the monthâs average temperature, which ended up 0.8 degrees below normal.