Meaning & use
Sep or Sept
Last updated
Meaning
phrasefixed phrase
A way of writing the short form of September, either as Sep or as Sept.
Grammar: Used when talking about abbreviations themselves, not as a date label in a sentence.
Patterns
- write Sep or Sept
- Sep or Sept is short for September
In American style guides you often see Sep or Sept for September, depending on the publisher.
The form asks you to write the month as Sep or Sept, so either one is accepted.
Common combinations
- abbreviate September as Sep
- Many calendars abbreviate September as Sep to save space.
- Sept. with a period
- British writers usually put a period after Sept. in dates.
- Sep 12
- The conference runs from Sep 12 to Sep 14.
- the abbreviation for September
- Sep is the abbreviation for September in most style guides.
Synonyms and how they differ
Word family
- September proper noun
- The ninth month of the year.
Commonly confused: Sep or Sept or Sep.?
Sep or Sept vs Sep.
The period is optional; both Sep and Sept. mean September, but Sep. can also stand for 'separate' in some notes.
Practice
Which sentence uses the abbreviation correctly for a date?
Choose one answer.
'Sep 5' is the normal date pattern (month abbreviation + day). Option 2 wrongly joins the two abbreviations, and options 3 and 4 add words that dates do not take.
Make it your own
Write a sentence using “Sep or Sept”, then check it and compare it with the examples above.