Actually, stars are not all white. The color of a star actually depends on the temperature of that star. Cooler stars radiate infrared light, making â¦ them look red. While hotter stars radiate ultraviolet light, making them look blue.
September 2016 was warmer than normal with. below normal precipitation at Duluth MN. The average temperature for September was 59.9 degrees which was 4.3 degrees above the normal of 55.6 degrees making this tied for the 10th warmest September in station history. The highest temperature for the month was 80 degrees on the 5th.
Lake Superior greatly moderates temperature extremes, slowing spring warming and the onset of winter. The coldest months average well below 32Â°F (0Â°C) and the warmer months average about 70Â°F (22Â°C). The average date of the last freezing temperature in spring is June 8, and the average first fall freeze is September 23; however, freezing can occur during any month. The freeze-free period, or growing season, averages 107 days annually.