September
Americannoun
noun
Usage
What is September? September is the ninth month of the year in the Gregorian calendar. It has 30 days and is between August and October.In the Northern Hemisphere, September is known as the first month of the autumn season, while in the Southern Hemisphere, it’s the first month of the spring season.Much of the world celebrates International Workers Day in May, but in the United States and Canada, a similar celebration, called Labor Day, is held. It is celebrated on the first Monday of September.The Jewish holiday Rosh Hashanah, which marks the beginning of the year, is normally held in September. The holiday’s exact date changes because it is set according to the Hebrew calendar, which is based on the Moon’s cycle.Example: For many people, September is a calm month before the holidays in October, November, and December.
Other Word Forms
- Septembral adjective
Etymology
Origin of September
First recorded before 1050; Middle English Septembre, Old English, from Latin September “seventh month” in the early Roman calendar; for formation December
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The painting was then cleaned before being exhibited at the British Art Fair in London in September 2025 and then at The Scottish Gallery in Edinburgh's New Town in October.
From BBC • Apr. 7, 2026
He added that he still expects the foldable iPhone “to remain slated for a September release and would be surprised by any material delay.”
From Barron's • Apr. 7, 2026
As of September, Russia produced more than 50,000 fiber-optic drones a month, according to state-run media—and there are many other sorts of drones on the battlefield.
From The Wall Street Journal • Apr. 7, 2026
In September, Cervantes filed a government claim against the city, a necessary precursor to taking further legal action.
From Los Angeles Times • Apr. 7, 2026
By late September 2008 the nation’s highest financial official, U.S.
From "The Big Short" by Michael Lewis
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
