Monday, September 21, is officially the last summer day in UAE as per Ibrahim Al Jarwan, a member of the Arab Union for Astronomy and Space Science.
According to one of the emirates News social media account, Al Jarwan said that fall will begin in the UAE on September 22, 2020 at 5:31 p.m.
He stated that the sun will be directly over the equator and move towards the southern hemisphere. Day and night are the same on that day, after which the days get shorter and the nights longer.
Day and night will then be the same again on March 20, 2021.