Definition of September
: the ninth month of the Gregorian calendar
Examples of september in a sentence
The weather has been very mild during the past two Septembers.
Origin and Etymology of september
Middle English Septembre, from Anglo-French & Old English, both from Latin September (seventh month), from septem seven — more at seven
First Known Use: before 12th century
SEPTEMBER Defined for English Language Learners
Definition of September for English Language Learners
: the ninth month of the year
Seen and Heard
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