The Simple Answer: The color of a star's visible light indicates its surface temperature: a relatively cool star glows red (longer wavelength), and very hot ones glow bluish-white or even blue (shorter wavelengths).
Average Weather in September in Sheridan Wyoming, United States. In Sheridan, the month of September is characterized by rapidly falling daily high temperatures, with daily highs decreasing by 14Â°F, from 82Â°F to 69Â°F over the course of the month, and rarely exceeding 93Â°F or dropping below 53Â°F.
Snowfall is 52 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 75. On average, there are 220 sunny days per year in Casper, Wyoming. The July high is around 89 degrees. The January low is 15. Our comfort index, which is based on humidity during the hot months, is a 67 out of 100, where higher is more comfortable. The US average on the comfort index is 44.