Septembrist 

any of the terrorists that attacked the USA on September 11, 2001.

The Septembrists destroyed the twin towers in New York.

Septembrist by uttam maharjan October 24, 2010

The Septemberists

A revolutionary group from the Highlands of Scotland ready to take on the world. Fighting for a decent education in a shit state school and aiming to take down the Quigleyarchy. You don't want to mess with The Septemberists

"Oh god, watch out, here come The Septemberists"

The Septemberists by stegosaurussss November 20, 2014