SEPT Views 8 meanings found SEPT commonly abbreviates the month of September, but it also labels several English proficiency examinations and a niche computing term related to single‑element pole technology. Miscellaneous September Governmental Senior Emergency Policy Team International Speaking English Proficiency Test Academic & Science Spoken English Proficiency Test Standardized English Proficiency Test Regional Putumayo, Ecuador Computing Single Element Pole Technology Sports Super Energized Physical Training