Autumnal Equinox (around March 20 or 21) and ends with the Winter Solstice (around June 20 or 21). Quick Comparison Guide System Northern Hemisphere Months Southern Hemisphere Months Meteorological September, October, November March, April, May Astronomical Late Sept to Late Dec Late March to Late June Why the difference? Meteorologists use whole months to make it easier to compare climate statistics year-to-year. Astronomers use the specific position of the Earth relative to the sun, which causes the start date to shift by a day or two each year. Would you like to know the
However, depending on the weather patterns where you live, you might feel the autumn chill as early as August or as late as the beginning of October. which months are in autumn
Autumn usually begins around September 22 or 23 and ends on the Winter Solstice, around December 21 or 22 . Autumnal Equinox (around March 20 or 21) and
Astronomical autumn is defined by the Earth's tilt and its orbit around the sun. It begins on the —the moment the sun crosses the celestial equator, making day and night nearly equal in length. Astronomers use the specific position of the Earth
In contrast, the Southern Hemisphere experiences autumn during . During this time, the seasons are reversed compared to the Northern Hemisphere.