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 September - Playa del Carmen Forum. Weather in September. Which Playa del Carmen hotels are on sale? can anyone tell me what the weather is like in September...We went to Cuba in Sept..had some rain which don,t mind but it was very humid at night time is PC the same?..