Just over 2 million passengers passed through Dublin Airport in September, which was an 8% increase on the same period last year.
Passenger volumes to and from continental Europe increased by 5% with just under 1.1 million passengers travelling to continental European destinations during the month.
Almost 660,000 passengers travelled to UK destinations in September, which was 7% up over the same period last year.
Transatlantic traffic to North America increased by 20% in September with just under 240,000 passengers travelling on this route sector last month.
Almost 60,000 passengers travelled to the Middle East and North Africa, an increase of 33% when compared to last year.
The number of passengers taking domestic flights declined by 9% with almost 7,000 people travelling on domestic routes last month.
So far this year, more than 16.6 million passengers have travelled through Dublin Airport, a 7% increase when compared to the same period last year.