Waves are formed by disturbance of particles of the medium. It may be longitudinal or mechanical. In mathematics and science, a wave is a disturbance that travels through space and time, usually accompanied by the transfer of energy.
Guide to Estes Park weather in September The average maximum daytime temperature in Estes Park in September is a comfortable 16Â°C (61Â°F). The average night-time temperature is usually a very cold -1Â°C (30Â°F).
Weather in Washington in September. The average maximum daytime temperature in Washington in September is a warm 26Â°C (79Â°F) with low heat & humidity. There are usually 7 hours of bright sunshine each day, which represents 60% of the 12 hours of daylight.