According to the report from INSEE, in August 2021, the Consumer Price Index (CPI) rose by 0.6% over one month, after +0.1% in July. The prices of manufactured goods rebounded sharply (+1.1% after −1.8%) linked to the end of summer sales. The prices of food accelerated (+0.7% after +0.1%) and those of tobacco were stable after a decrease in the previous month. The prices of services (+0.4% after +0.7%) and those of energy (+0.6% after +2.2%) slowed down.

Seasonally adjusted, consumer prices rose by 0.4% in August, as in July.

Year on year, consumer prices grew by 1.9%, after +1.2% in July. This increase in inflation resulted from the rebound in manufactured good prices (+1.1% after −1.1%). The prices of food (+1.3% after +0.9%) and those of energy (+12.7% after +12.3%) accelerated. The prices of services increased slightly (+0.7% after +0.6%). The increase in tobacco prices maintained at the same level as in the last month (+5.1%).

Year on year, core inflation grew in August, up to +1.5%, after +0.4% in July. The Harmonised Index of Consumer Prices (HICP) rose by 0.7% over one month after +0.1% in the previous month; year on year, it increased by 2.4%, after +1.5% in July.