According to new Central Statistics Office (CSO) data, workers' average weekly earnings increased 4.6% between July and September compared to the same period last year.
Employees earned an average of €907.72 during the period, up from €876.63 in the third quarter of 2022.
The CSO found that average weekly earnings increased in 12 of the 13 industries studied.
However, average hourly earnings increased year on year over the last three months, rising 6.2% to €27.82 from €26.19 in the same period last year.
The arts, entertainment, recreation, and other services sector experienced the highest annual percentage increase in average weekly earnings during the period, at 10.6%.
The next highest increase was in public administration and defence, where average weekly earnings increased 7.7% year on year to €1,098.50.
The information and communication sector had the highest average hourly total labour costs in Q3 2023, at €53.16.
The lowest average total labour costs were in the accommodation and food service activities sector, which recorded a rate of €18.04.
Average weekly earnings in the public sector increased 6.3% year on year to the end of September, rising from €1,058.98 to €1,125.92.
Gardai had the highest average weekly earnings of €1,579.28, while education had the highest average hourly earnings of €46.89.
The increases came at a time of persistent price inflation in Ireland and throughout the eurozone, as well as ongoing shortages of available talent in certain sectors.
According to the CSO, the job vacancy rate was 1.2% at the end of the third quarter, down from 1.3% the previous quarter and 1.6% at the end of the same three months in 2022.