There are 2 main definitions of September in English:

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September 1

Pronunciation: /sepˈtembər/


The ninth month of the year, in the northern hemisphere usually considered the first month of autumn: sow the plants in early September [as modifier]: a warm September evening
More example sentences
  • All staff have been fired with immediate effect and may not be paid for the month of September.
  • For its September concert this year the group has looked to a newer generation of musicals.
  • From September the plants start to enter dormancy so that by late October it is at a maximum.


Late Old English, from Latin, from septem 'seven' (being originally the seventh month of the Roman year).

  • seven from Old English:

    Seven days of the week, seven deadly sins, seven dwarfs, seven wonders of the world, the Magnificent Seven…the number seven crops up again and again in history and culture. The word is from the same ancient root as Latin septem and Greek hepta ‘seven’—septem is the source of September (Old English), originally the seventh month of the Roman year, and of septet (early 19th century), whereas hepta is found in words such as heptagon (late 16th century) ‘seven angled’, and heptathlon [1970s] combined with athlon ‘contest’. The seven-year itch was originally a semi-proverbial medical condition, dating from the middle of the 19th century, but these days is a supposed tendency to infidelity after seven years of marriage. The phrase originated in the USA, and The Seven Year Itch, a 1955 comedy written and directed by Billy Wilder and starring Marilyn Monroe, introduced it to a wider audience.

Words that rhyme with September

Bemba, December, ember, member, November, Pemba
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There are 2 main definitions of September in English:

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September 11 2

(also 9/11)
September 11, 2001. On this date, two hijacked commercial airliners were flown into the World Trade Center in New York City. A third hijacked airliner was crashed into the Pentagon, and a fourth went down in a field in Pennsylvania. The airliners were hijacked by Islamic fundamentalist terrorists believed to be involved with al-Qaeda.
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