The auto major further said sales of the compact segment comprising Swift, Estilo, Dzire and Baleno rose by 1.7 per cent to 74,011 units last month as against 72,804 units in the same period a year ago.
Sales of mid-sized sedan Ciaz rose by 11.5 per cent to 6,246 units during the month.
Sales of utility vehicles, including Ertiga, S-Cross and compact SUV Vitara Brezza increased by 8.7 per cent to 21,639 units in September, from 19,900 units.
Sales of vans -- Omni and Eeco -- increased by 6.6 per cent to 14,645 units last month as against 13,735 units in the year-ago period.
Exports in September were down 25.1 per cent to 8,740 units as compared with 11,671 units in the same month last year, MSI said.