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.
The number of days with any measurable precipitation is 40. On average, there are 208 sunny days per year in Sheridan, Wyoming. The July high is around 87 degrees. The January low is 11. Sperling's comfort index for Sheridan is a 64 out of 100, where a higher score indicates a more comfortable year-around climate. The US average for the comfort index is 54.