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.
June through to September are the months when Seattle is most likely to have days with highs in the 80s and lows in the 60s. 1  Days per month in Seattle of at least 60, 70 or 80 Â°F. 2  Days per month on average in Seattle when the minimum temperature drops to 32 or 40 Â°F or below.