The price of diesel is now almost 30% higher than it was last September, while petrol prices are 18% higher.
New figures from AA Ireland show the average price for diesel across the country now stands at €1.95 per litre, while petrol is at €1.84 per litre.
At current fuel prices, it now costs the average motorist with a diesel car €1,940 to fill it annually, €440 more than in the same month last year.
For those with a petrol car it now costs €2,234 to fill it annually, €346 more than in September 2021.
"Fuel prices are broadly where they were in March this year, which at the time were record prices for petrol and diesel in Ireland," said Paddy Comyn, Head of Communications for AA Ireland.
"They did go on to peak in June of this year at €2.13 for petrol and €2.02 for diesel, but with increases in energy prices across the board, these prices will remain a source of worry for many Irish motorists.
"With home heating costs likely to be higher than expected this year, for those people that depend on their car, there will be added pressure," he added.
Mr Comyn said he hopes the Government will take this into consideration in the upcoming budget.
