It had sold 14,217 units in the same month of last year, Ford India said in a statement.
Its domestic sales also declined 36.22 per cent to 6,786 units in September as against 10,640 units in the same month previous year, it added.
However, Ford's export during the month almost doubled to 6,956 units last month as against 3,577 units in the year-ago period.
Ford India Marketing, Sales and Service executive director Anurag Mehrotra said: "Last year we ushered in the festive season with overwhelming customer response to our capable, urban SUV Ford EcoSport. Since then, the EcoSport has remained the most compelling choice for discerning buyers.
Ford has also introduced Figo in a refreshing new look, with enhanced exteriors and bright new interiors in September.
"Figo continues to be an integral part of our product portfolio in India. With the recent upgrade, we have enhanced Figo's appeal to younger consumers while ensuring customers get the most value for their money," Mehrotra said.