the ninth month of the year, containing 30 days. Abbreviation: Sept., Sep.

Origin of September

before 1050; Middle English Septembre, Old English < Latin September seventh month in the early Roman calendar; for formation see December
Related formsSep·tem·bral [sep-tem-bruh l] /sɛpˈtɛm brəl/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for september

Contemporary Examples of september

Historical Examples of september

  • It was late in August, and on the first of September Emilia was to be married.


    Thomas Wentworth Higginson

  • September 27th, Mr. Gladstone addressed his constituents at Edinburgh.

    The Grand Old Man

    Richard B. Cook

  • The season for oysters is from September to April, inclusive.

    Woman's Institute Library of Cookery, Vol. 3

    Woman's Institute of Domestic Arts and Sciences

  • Next day was Sunday, as glorious a sixteenth of September as could be desired.

    The Roof of France

    Matilda Betham-Edwards

  • The action of the 16th September is considered by some to have been a reverse.

British Dictionary definitions for september



the ninth month of the year, consisting of 30 days

Word Origin for September

Old English, from Latin: the seventh (month) according to the original calendar of ancient Rome, from septem seven
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for september


late Old English, from Latin September (also source of Old French Septembre, Spanish Setiembre, Italian Settembre, German September), from septem "seven" (see seven). So called because it was the seventh month of the old Roman calendar, which began the year in March; Julian calendar reform (46 B.C.E.) shifted the new year back two months. For -ber suffix, see December. Replaced Old English hærfestmonað, haligmonað. Related: Septembral.

Online Etymology Dictionary, © 2010 Douglas Harper