Posted: 12/17/2014 5:53 pm EST Updated: 02/17/2015 5:59 am EST. ADVERTISEMENT. Mark Williamson via Getty Images. TORONTO - The dawn of a new era between the United States and Cuba is poised to spell the end of a golden age for Canadian tourists, experts said Wednesday.
The time when fall starts is between summer and winter. As with the other seasons, its commencement differs and is based on the hemisphere you are in. Commencement Dates. In astronomical terms the season begins on September 22 up to November 22 in the Northern Hemisphere.
Click here for more Autumn photos. In the United States and the rest of the northern hemisphere, the first day of the autumn season is the day of the year when the Sun crosses the celestial equator moving southward (on September 22nd or 23rd). This day is known as the Autumnal Equinox.