Permanately

An adverb to describe something that lasts until the end of September. Specifically relates to September. Not to be confused with any other word.

Blondie: “Hey gal, can you wake me up when September ends?”

Petal: “Sure thing, I’ll put you to sleep permanately, yeah?”

Blondie: “Yes please! See you in October!”

Petal: “Sure thing baby boo, lost my virginity to a fairground ride by the way!!”

Blondie: “Oh.... okay...”