Over a year, the Consumer Price Index (CPI) should barely slow down in September 2018: +2.2% after +2.3% in August, according to the provisional estimate made at the end of the month. The slight decrease in inflation should come, on the one hand, from a slowdown in services and energy prices and, on the another hand, from a slightly larger drop in those of manufactured products. Contrariwise, lesser inflation should be mitigated by a marked acceleration in food prices, due to these in fresh food prices.

Over one month, consumer prices should edge down: −0.2% after +0.5% in August. This downturn should be due to these, seasonal, in the prices of some tourism-related services. Contrariwise, energy prices should rise over one month after a stability in August. Those of manufactured products should accelerate after the end, in August, of the summer sales in the metropolitan area. Lastly, food prices should be more dynamic than in the previous month.