
Achill Island in September
Achill Island in September
Achill Island, Ireland
Visiting Achill Island in September means experiencing the autumn. During autumn, Achill Island offers crisp air, changing colours, and a cosy atmosphere.
Weather in Achill Island in September
Average highs around 14.3C and lows near 10.4C. 156.4mm average precipitation and about 19 rainy days. September typically sits between August and October conditions, so it is useful for travelers wanting a balanced window in Achill Island. Pack quick-dry clothing and a light waterproof layer for September.
Temperature
September brings autumn conditions in Achill Island, Ireland. The average temperature is about 12.4C, with lows near 10.4C and highs around 14.3C.
Sunshine Hours
Achill Island, Ireland usually gets around 7.3 hours of sunshine per day in September, with roughly 12.7 daylight hours available for sightseeing.
Rain
September sees around 156.4mm of rainfall over about 19 days. Rain can occur for around 9.4 hours per day on average.
Humidity
Humidity in September is generally humid for Achill Island, Ireland, especially when rainfall periods increase.
Additional Information
Average winds are around 26.4 km/h, so pack layers that handle changing conditions. Pack quick-dry clothing and a light waterproof layer for September.
Our September Hotel Picks for Achill Island

Óstán Oileán Acla (Achill Island Hotel)
Low-key quarters, some with ocean views, in a country-style hotel offering a restaurant & a bar.
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Achill Cliff House Hotel and Restaurant
Informal hotel offering ocean views, plus free breakfast, a sauna & a relaxed restaurant.
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Ferndale Luxury Boutique Bed & Breakfast
Upscale B&B offering ornate, romantically themed rooms, plus full breakfast and optional dinner.
View hotelWhat to Do in Achill Island in September

Keem Bay
Keem Bay on Achill Island, Ireland, is a must-visit for any travel enthusiast. Nestled in a stunning coastal landscape, it offers a perfect blend of relaxation and adventure. Whether you're planning a trip with an AI Travel Agent or using a Trip Planner App, you'll find cheap flights and activities to make your visit memorable. This nook of paradise is ideal for discovering cheap activities like snorkeling or hiking along its picturesque trails. A trip to Achill Island promises serenity with a myriad of things to do, from exploring hidden coves to enjoying the timeless beauty of the Irish coastline. Visit an Achill Island, Ireland Travel Agent or fly directly to this enchanting destination to embark on your adventure at the captivating Keem Bay.
Explore activity
Atlantic Drive
Discover Atlantic Drive on Achill Island, Ireland, a serene journey crafted for the AI Travel Agent's delight. Picture yourself navigating this coastal marvel through your Trip Planner App, making the most of AI Travel innovation. From the rugged cliffs to the azure waters, every turn holds cheap activities for your wanderlust-filled soul. As you embark on your trip to Achill Island, Ireland, indulge in activities like hiking and photography, basking in nature's untouched glory. The Achill Island, Ireland Travel Agent ensures cheap flights, turning your dream into reality. Fly to Achill Island, Ireland, and explore the cheap activity options that await, immersing yourself in things to do for an unforgettable adventure.
Explore activity
Slievemore Mountain Hike
Discover the spirit of adventure with AI Travel Agent's exclusive guide to Slievemore Mountain Hike on Achill Island, Ireland. Nestled in the heart of this enchanting isle, Slievemore offers a captivating trek through its rugged beauty, ensuring that the journey is as rewarding as the breathtaking views it offers travelers. Whether you're seeking thrilling activities or a peaceful connection with nature, this hike delivers an unforgettable experience. Use Trip Planner App to seamlessly organize your journey, book cheap flights, and explore a variety of activities in Achill Island, Ireland. Don't miss the opportunity to fly to Achill Island, Ireland, where you'll find endless cheap activities. Our Achill Island, Ireland Travel Agent offers expert advice for an enriching trip. From vibrant landscapes to authentic cultural experiences, Slievemore Mountain Hike is a must-do when exploring things to do in Achill Island, Ireland. Perfect for travel enthusiasts, every step unveils the island's wild charm—an adventure just a click away!
Explore activityTravel tips for Achill Island in September
Pack quick-dry clothing and a light waterproof layer for September. Book accommodation earlier when events overlap with peak weekends, and keep an eye on changing weather windows for day trips.






