Dublin in September
Mild days and a strong theatre calendar as the students return — the best-balanced month of the Dublin year.
Is September a good time to visit Dublin?
September is a middling month in Dublin — crowds around 70/100. Not the worst, but January is noticeably calmer.
What’s on in September
- Dublin Fringe Festival
Best days in September
Weekdays are almost always calmer than weekends.
Tue is normally the calmest day of the week.
Best hours in September
The daily rhythm, hour by hour.
The 9:00 AM window is usually the calmest of the day.
Weather in September
Typical highs, lows and wet days.
How September compares
Every month in Dublin, ranked by how calm it is.
Quieter alternatives
If your dates are flexible, these months are calmer in Dublin.
Book things to do
Tours and tickets in Dublin, from our booking partner.
Free cancellation
Free cancellation
Free cancellation
Free cancellation
Free cancellationAffiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes a crowd score or the order of our recommendations.
Frequently asked questions
Is September a good month to visit Dublin?
September is a middling month in Dublin — crowds around 70/100. Not the worst, but January is noticeably calmer.
How crowded is Dublin in September?
Dublin sits at roughly 70/100 in September on our crowd scale, which is 7 points above the yearly average. The quietest month is January.
What is the weather like in Dublin in September?
Expect highs around 18°C and lows near 11°C in September, with about 10 wet days across the month.