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.
Monthly Temperatures and Rainfall in Seattle. Seattle's mild winters and cool summers enable year-round outdoor activities. High temperatures in July average about 75 F (24 C), while low temperatures in winter drop below freezing an average of only 15 days per year. Seattle averages 158 days of measurable rain and 226 days of some cloud cover per year. Both most often occur in the winter and during the night.