This useful children's nursery rhyme 'Thirty days hath September' is often repeated by adults who know of it.

How many times has someone asked you " How many days are there in this month?" And how many times have you silently repeated this little verse to yourself? - 'Thirty days hath September...'

Thirty Days hath September poem
Nursery Rhyme lyrics, origins and history
 

Thirty days hath September,
April, June and November;
February has twenty eight alone
All the rest have thirty-one
Except in Leap Year, that's the time
When February's Days are twenty-nine
 

Thirty Days hath September poem
Nursery Rhyme lyrics, origins and history