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Ireland In September 2022/23: Advice From A Local (Weather, What To Pack + More)

Ireland In September 2022/23: Advice From A Local (Weather, What To Pack + More)

Ireland in September is, in my opinion, hard to beat. In fact, it’s up there as one of the best times to visit Ireland.

The days are still nice and long (the sun rises from 06:41 at the start of the month and sets at 20:14) and the weather is nice and mild, with average highs of 13°C.

However, spending September in Ireland does come with its pros and cons, as you’ll discover below.

You’ll also find info on everything from the weather in Ireland in September to things to do and more useful info. Dive on in!

Some quick need-to-knows before visiting Ireland in September

things to do in ireland in september

Photos via Shutterstock

Although visiting Ireland in September is nice and straightforward, there are some need-to-knows that’ll make your visit that bit more enjoyable.

Below, you’ll find info on the weather in Ireland during this month along with some handy info to get you up to speed.

1. The weather

The weather in Ireland in September, as is the case with every month in Ireland, can be unpredictable. Average high temperatures in Ireland in September tend to hover around 13°C and average lows tend to sit at 9°C.

2. Long days

At the beginning of the month, the sun rises at 06:41 and it sets at 20:14. This means you’ve around 12.5 hours of daylight to explore, which makes planning your Ireland itinerary much easier.

3. It’s quieter 

September is autumn in Ireland, which means the school year has resumed and many of the tourists that will have visited during peak season will have flown home.

4. Plenty to see and do

The long days and the usually good weather means you’ve your pick of indoor and outdoor activities. There’s endless things to do in Ireland in September, as you’ll find out below.

5. Make an informed decision

Picking when to visit Ireland isn’t easy, and there’s a lot to consider, so it’s well worth spending a little bit of time comparing what it’s like in Ireland during the other months of the year, when you have a second:

The pros and cons of spending September in Ireland

Ballyscanlon Forest

Photo by Andrzej Bartyzel (Shutterstock)

There are some pros and cons (not many!) to visiting Ireland in September. However, unlike some months (I’m looking at you, January!), the pros greatly outweigh the cons.

Below, you’ll find the pros and cons from the perspective of someone that’s spent the last 32 Septembers in Ireland:

The pros 

  • Weather: We tend to have good weather in September, with average highs of 13°C and lows of 9°C
  • Long days: As we’re just out of summer, the days are still nice and long, with the sun rising at 06:41 and setting at 20:14 at the start of the month
  • It’s quieter: The beauty of visiting just after summer is that you’ll still have good weather and places will be much quieter as peak-season is behind us
  • Festivals: Loads of Irish music festivals and food, and cultural events take place (see our Irish festivals calendar)

The cons

  • Prices: Flights and accommodation will still be relatively high in comparison to autumn and winter

What to expect from the weather in Ireland in September

the copper coast drive

Photos via Shutterstock

The weather in Ireland in September is a bit of a mixed bag, but it’s generally pretty good.

Here’s what the weathers been like during previous years. Note: this data comes from MET Eireann, Ireland’s Meteorological Service

September 2021

  • The weather in Ireland in September 2021 was warm, dry for most and dull with some parts of the country recording record breaking temperatures for the month
  • The number of days where rain fell ranged from ranged from 8 days (Phoenix Park in Dublin to 23 days at Valentia Island in Kerry)
  • The average temperature for the month ranged between 14.3 °C to 15.5 °C

September 2020

  • The weather in Ireland in September 2020 saw a warm first two thirds of the month and a cool final third. It was wet in the Northwest and dry in the South
  • The number of days when rain fell ranged from 11 days (Roche’s Point in Cork) to 23 days (Newport in Mayo)
  • The average temperature for the month ranged between 12.8 °C and 13.7 °C

Average temperature in Ireland in September

weather in ireland in september

Photo by Stephen Long (Shutterstock)

The average temperature in Ireland in September brings average highs of 13 °C and average lows of 9 °C.

Those from colder temperate climates will find the temperature in Ireland in September mild, while those who come from more tropical climates should find September in Ireland to be cold.

The average temperature in previous years

  • 2021: 14.8 °C
  • 2020: 13 °C
  • 2019: 12.8 °C

Things to do in Ireland in September

tramore beach

Photo by JORGE CORCUERA (Shutterstock)

Many people planning a trip to Ireland tend to opt for September as the days are long and there’s plenty of time to explore.

If you’re on the hunt for things to do in Ireland in September, dive into our counties in Ireland section – it’s packed with the best places to visit in every county! Here are some suggestions to get you started:

1. Take a well planned road trip

torr head scenic drive

Photo left: Shutterstock. right: Google Maps

Yes, the days are long in Ireland in September, but you need a well thought out plan of action to make the most of your time.

If you’re feeling overwhelmed and need some help, have a look at our 5 days in Ireland or our 7 days in Ireland guides.

2. Walks galore

Croaghaun cliffs

Photo by Mike Hardiman/shutterstock.com

One of the more popular things to do in Ireland in September when the weathers fine is to explore on foot. Luckily, there’s endless walks in Ireland to try.

From hiking the highest mountain in Ireland to more gentle trails, there’s something to suit every fitness level.

3. The ‘old reliables’

temperature in ireland in september

Photo left: MNStudio. Photo right: Patryk Kosmider (Shutterstock)

If you’re visiting Ireland for the first time, the chances are you’re going to want to visit the tourist hotspots, like the Cliffs of Moher, the Ring of Kerry and the Giants Causeway.

Although these popular attractions will still be busy, they’ll be much quieter than the summer season.

4. Hidden gems

doo fort in donegal

Photos by Lukassek/shutterstock

Many tourists visiting Ireland tend to flock to the hot-spots, like the Guinness Storehouse, Doolin and Connemara National Park, and there’s nothing wrong with that!

However, if you can, try and carve out a bit of time to visit some of the more unique places to visit in Ireland, that tourists often miss.

5. Visiting Dublin in September

best guinness in Dublin

Photo left: Via Tom Kennedy’s on FB. Right: The Irish Road Trip

There’s endless things to do in Dublin in September if you’re visiting for a bit of a city break. If the weather’s fine, try one of the many walks in Dublin.

If the weathers bad, there’s plenty of things to do in Dublin in September when it’s raining! See our 2 days in Dublin and 24 hours in Dublin guides for an easy-to-follow itinerary.

What to pack / what to wear in Ireland in September

dublin in september

Photos via Shutterstock

Packing for September in Ireland is nice and straightforward once you’ve an idea of what to bring with you.

If you’re planning an active trip, bring your usual active wear. If you plan on eating out or visiting pubs, smart casual is more than enough.

The essentials

  • Sun cream (yep, really… well, OK – hopefully!)
  • Comfy shorts and light trousers for walking about in
  • A waterproof jacket (a light one that folds up into a pouch can come in handy)
  • T-shirts or some light tops for the warmer days
  • Causal clothes for wearing in the evening (pubs in Ireland are fairly relaxed)

FAQs about spending September in Ireland

We’ve had a lot of questions over the years asking about everything from ‘What should I pack for Ireland in September?’ (see above) to ‘Is Ireland Green in September?’ (it is).

In the section below, we’ve popped in the most FAQs that we’ve received. If you have a question that we haven’t tackled, ask away in the comments section below.

Is September a good time to go to Ireland?

Yes. Peak-season has just ended, the days are long (sun rises at 06:41 and it sets at 20:14 at the beginning of the month) and we get average highs of 13°C and lows of 9°C.

Does it rain a lot in Ireland in September?

It can do. For example, last year, the number of days where rain fell ranged from ranged from 8 days to 23 days (see guide above for more info).

Are there many things to do in Ireland in September?

There’s endless things to do in Ireland in September, thanks to the long days, from hikes and walks to tours, museums and scenic drives.

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Trish Payne

Tuesday 26th of July 2022

Hi Keith, thanks for the info. I was blessed to visit Ireland years and years ago, got sick and had to leave early and I have always wanted to go back with some friends. I also would like to stay in some B&B’s. If you have anymore info it would be greatly appreciated. Thank you!

ps - live in Florida USA

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