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.
September 2014 Shatters Temperature, Precipitation Records in Some Places. September 2014 is in the record books for several locations in the U.S. and around the world. Among the extremes in September 2014 were record-smashing rain, unusually early snow, sweltering late-season heat and a stunning lack of rain. Perhaps no city embodied the weird extremes of September like Rapid City, South Dakota: - Sept. 3: High of 93 degrees. - Sept. 11: Record earliest measurable snow (1.6 inches)