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It occurs in March, currently on March 20 each year.

(the same date is the "vernal equinox" in the Northern Hemisphere)

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10y ago
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12y ago

In 2012, 22 September (UTC time).

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Q: In what month is the autumnal equinox in the western hemisphere?
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Related questions

Which month is the autumnal equinox in?

In the northern hemisphere it is in September. In the southern hemisphere it is in March.


What is the penultimate letter of the month for the autumnal equinox?

There are two answers to that. In the northern hemisphere the autumnal equinox is in September, so one answer is the letter e. In the southern hemisphere the autumnal equinox is in March, so the second answer is the letter c.


In the northern hemisphere in what month is the autumnal equinox?

The Answer is September since it is the north


In the northern hemisphere in what month is the autummal equinox?

The autumn equinox is September, usually the 22nd or 23rd, in the Northern hemisphere. There are two equinox, the autumnal and vernal. They are referred to these name everywhere, in both the northern and southern hemispheres.


What month does autumnal equinox start?

The "autumnal equinox" is a single point in time, not a period. In 2015, the autumnal equinox will happen at 08:20 (UT) on the 23rd September.


In northern Hemisphere summer begins late in what month?

It officially ends in September on the autumnal equinox. Another fun fact, Spring begins on March 20 or the 21 which is the vernal equinox.


Which month is summer season?

Different places have different definitions for when summer begins and ends. I go by the rule that summer begins at the moment of the summer solstice and ends at the moment of the autumnal equinox. In the northern hemisphere the date of the summer solstice ranges from June 19 to June 23, and the date of the autumnal equinox ranges from September 21 to September 24. In the southern hemisphere the date of the summer solstice ranges from December 20 to December 23, and the date of the autumnal equinox ranges from March 19 to March 22.


What month is the spring equinox in?

The vernal equinox is in March in the northern hemisphere and in September in the southern hemisphere.


What month dose autumn start?

It starts during the Autumnal equinox (22-23 September).


What month has the first day of autumn?

Autumn begins with the Autumnal Equinox and ends with the Winter Solstice.In Northern Hemisphere Autumn is September 22 to December 21.In the Southern Hemisphere Autumn is March 20 to June 20(On leap years all these dates are one day later)


When are there equal hours of daylight and night?

Equal hours of daylight and sunlight occur on a day known as the Equinox. There are two of these days every year - a vernal Equinox (in the spring), and an autumnal Equinox (in the fall). This answer is easily searchable on this website. Please refer to the search function before posting a question like this in the future. Source: My own personal knowledge.


What month does autumn season start?

Autumn begins in September in the US and the Northern hemisphere.4 Seasons and their months:Spring: March, April, May Summer: June, July, August Autumn: September, October, November Winter: December, January, February