And Still Be Close To Your Neighbors. Walking through the University of Dayton's campus, you're not the only one who feels right at home: approximately 90 percent of our undergrads live on campus or in the student neighborhood. You'll appreciate your new home almost as much as the view.
Average Weather in September in Seattle Washington, United States. In Seattle, the month of September is characterized by falling daily high temperatures, with daily highs decreasing by 8Â°F, from 75Â°F to 67Â°F over the course of the month, and rarely exceeding 83Â°F or dropping below 60Â°F.
The days at Seattle cool most quickly during October. By the end of the month, the temperature has dropped around 10 Â°F (5 Â°C) below what it was at the start. Nearly every October day warms to over 50 Â°F (10 Â°C) in Seattle. The city averages 2 days this month when the thermometer reaches into the 70s Â°F (over 21 Â°C).