Dublin in September
Autumn in Dublin: expect mild weather with highs of 17°C.
Photo: Diogo Palhais / Unsplash
September Weather in Dublin
🌡️
Average High
17°C
❄️
Average Low
11°C
🌧️
Rain Days
18.8
🌤️
Season
Autumn
What to Expect
September in Dublin brings mild weather with daytime highs around 17°C and nighttime lows of 11°C. You can expect approximately 18.8 days of rain during the month. This is shoulder season with moderate crowds. A good balance of decent weather and reasonable prices.
Packing tip: Pack warm layers, a decent jacket, and waterproof footwear for cooler temperatures. An umbrella or rain jacket is essential.
September Costs in Dublin
Budget
EUR 80
per day
Mid-Range
EUR 180
per day
Luxury
EUR 400
per day
Things to Do in Dublin in September
Our Top 5 Favourite Tours in Dublin
Hand-picked guided experiences you can book in advance on GetYourGuide.
Dublin Walking Tour: Highlights & Hidden Gems
Discover Dublin on foot with a local guide who knows every backstreet and story. You will cover the must-see landmarks and stumble upon places most visitors never find.
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Dublin Food Tour: Street Food & Local Favourites
Eat your way through Dublin with a local foodie as your guide. From bustling markets to tucked-away restaurants, taste the dishes the city is truly known for.
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Best of Dublin: Skip-the-Line Top Attractions
Skip the queues and get straight into Dublin's top attractions with pre-booked access. An expert guide brings each site to life with stories and context you would not get on your own.
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Day Trip from Dublin: Scenic Excursion
Escape Dublin for the day and explore the stunning surroundings. Transport, guide, and itinerary are all sorted so you can relax and enjoy the scenery.
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Dublin Cultural Experience: History & Traditions
Go beyond sightseeing and connect with Dublin's living culture. From hands-on workshops to historic neighbourhood walks, this is the side of the city most travellers miss.
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Hotels in Dublin for September
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FAQ: Dublin in September
What is the weather like in Dublin in September?
Dublin in September has average highs of 17°C and lows of 11°C, with around 18.8 rainy days. The weather is generally mild.
Is September a good time to visit Dublin?
September is a shoulder season in Dublin, which means decent weather with fewer crowds and often lower prices than peak months.
How crowded is Dublin in September?
September sees moderate tourist numbers in Dublin. Popular spots will be busy but manageable.
How much does it cost to visit Dublin in September?
Budget travellers can get by on around EUR 80/day. Mid-range travellers should budget EUR 180/day. Shoulder season often offers good value compared to peak months.
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