Consumer inflation fell to 32.5% year-on-year in August from 33.5% a month earlier, the Ethiopian Statistics Service said in a statement.
Overall month-on-month inflation fell to 2.9% from 3.1% in July.
The statistics office said food inflation dropped to 33.2% year-on-year from 35.5% in July, while non-food inflation rose to 31.5% from 30.4%.
Several factors were involved in the price easing: A fall in international oil prices, along with a similar easing of food commodities - especially after Russia and Ukraine agreed to allow grain shipments from Kyiv's Black Sea ports.