Table of Contents
What is the official beginning of autumn?
September 22
The autumnal equinox, usually occurring on September 22 or 23, means fall is officially here. The autumnal equinox is one of only two days—the other is the spring, or vernal, equinox—when the Sun is directly above the Equator, ostensibly dividing night and day into equal portions.
In which month is there an autumn season in the Northern Hemisphere *?
Autumn is usually defined in the Northern Hemisphere as the period between the autumnal equinox (day and night equal in length), September 22 or 23, and the winter solstice (year’s shortest day), December 21 or 22; and in the Southern Hemisphere as the period between March 20 or 21 and June 21 or 22.
Which season just started in the Northern Hemisphere?
Meteorological
| Northern hemisphere | Southern hemisphere | Start date |
|---|---|---|
| Winter | Summer | 1 December |
| Spring | Autumn | 1 March |
| Summer | Winter | 1 June |
| Autumn | Spring | 1 September |
When does fall start in the northern hemisphere?
In 2020, the autumnal equinox —also called the September equinox or fall equinox —arrives on Tuesday, September 22. Fall begins in the Northern Hemisphere and spring begins in the Southern Hemisphere. Read about the signs of fall and the ways we mark the approaching equinox. Autumn has caught us in our summer wear.
When does autumn start and end in North America?
In North America, autumn traditionally starts with the September equinox (21 to 24 September) and ends with the winter solstice (21 or 22 December).
When is the autumnal equinox in the southern hemisphere?
Autumn. Some cultures regard the autumnal equinox as “mid-autumn”, while others with a longer temperature lag treat it as the start of autumn. Meteorologists (and most of the temperate countries in the southern hemisphere) use a definition based on Gregorian calendar months, with autumn being September, October,…
Which is the first day of the fall season?
The autumnal equinox —also called the September or fall equinox —is the astronomical start of the fall season in the Northern Hemisphere and of the spring season in the Southern Hemisphere. What Is an Equinox? The word “equinox” comes from Latin aequus, meaning “equal,” and nox , “night.” On the equinox, day and night are roughly equal in length.