The rise in inflation was attributed to the increase in food inflation as it surged from 19.1% in August to 22.1% in September.
But non-food inflation declined to 20.9 percent from 21.5 percent in August 2024.
For the past five months, inflation had seen a downward spiral to reach 20.4% from the over 50% recorded in 2022.
The GSS noted that inflation on locally produced items and imported items increased.
Subsequently, the figure for imported items increased to 17.0 percent from 16.1 percent in August, whereas locally produced items recorded an inflation of 23.4 percent from 22.2 percent in August 2024.
Restaurants and accommodation services recorded 27.9 percent, while Alcoholic beverages, tobacco and narcotics recorded 27.6 percent.
Housing, water, electricity, gas and other fuels recorded 26.4 percent.
Education services had 23.7 percent while health recorded 22.3 percent and Food, and non-alcoholic beverages also recorded 22.1 percent.
