September is a song by American funk band Earth, Wind & Fire, written by Maurice White, Al McKay, and Allee Willis. It was recorded during the I Am sessions and released as a single in 1978. Featured on the band's album The Best of Earth, Wind & Fire, Vol. 1, September reached number one on the US R&B chart, number eight on the Billboard Hot 100, and number three on the UK singles chart.
Note that K is also the symbol for the kelvin (see below) and is often used as a symbol for the karat. Also note that the symbol for the metric prefix kilo- (1000) is actually k-, not K-. Return to the Dictionary Contents page.
Unit of length. The meter is the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second. Unit of mass. The kilogram is the unit of mass; it is equal to the mass of the international prototype of the kilogram. Unit of time. 1. The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12; its symbol is mol..