No hints here:
September isn't even the seventh month
It's actually pretty amazing how we still use Latin naming. January being named after
Janus, the Roman god, February - the purifying month, March after
Mars, April after
Aphrodite, May after
Maia, June after
Juno, and then the numbers went:
Quintilis, Sextilis, Septimus, October, November, December. The first two were later renamed after Gaius Julius and Augustus Octavianus. Later Domician renamed September
Germanicus and October
Domician, but those weren't as catchy it seems.
And this Roman mess made it to the modern world