Traffic of France's major airline Air France-KLM recorded a tepid growth last month on falling cargo activities, the company said on Friday.

The Paris-based Europe's leading airline reported a 0.9-percent rise in its passenger traffic. It numbered 6.9 million passengers, up 0.5 percent from September in 2011.

As a result, the load factor of passenger activity slightly grew to 85.2 percent over the period.

A 21.9 decline in cargo traffic to European markets drove the group's total segment activity down by 6.6 percent to EUR869 million (US$1.13 billion) in a sign that euorzone's trade exchange is witnessing a setback on flagging growth in the region.

The load factor lost 1.4 point to stand at 63.2 percent, according to the company's figures.

"In line with the transform 2015 plan ...Air France confirmed it will invest several hundred million euros to reposition its product and services at the highest level within the industry," it said.