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.
On the morning of the 3rd, Sheridan set a record low of minus 32Âº, eclipsing the old record of 24Âº below zero, set in 1985. Casper had a record low of 27Âº below zero. The minimum at Cheyenne was minus 24Âº, one degree shy of the record low for the 3rd, dating back to 1883.