Early autumn · Weather & things to do
Doolin & the Cliffs of Moher in September
Doolin & the Cliffs of Moher edges cooler than August, with highs of 61°F (16°C), lows of 54°F (12°C) and about 4.1 in (103 mm) of rain.
At 72/100 for comfort (4th of 12), it's one of the best months to visit.
- Avg high
- 61°F (16°C)
- Avg low
- 54°F (12°C)
- Rain
- 4.1 in (103 mm)
- Humidity
- 86%
- Cloud cover
- 74%
- Daylight
- ~12 h 24 min
- Comfort score
- 72/100 · Good
What September feels like
Days are mild at around 61°F (16°C): comfortable for walking all day, with a layer for the evening.
After dark, temperatures fall to about 54°F (12°C).
Showers are part of the month, adding up to about 4.1 in (103 mm).
Plan around September
September is one of Doolin & the Cliffs of Moher's best months on the climate data.
- Last of the best-scoring months: by October, the score drops to 64/100.
- Comfort holds steady from August (73 → 72/100).
- September sits inside the May – Sep window our Dublin to the Wild Atlantic Way route recommends.
What to pack for September
- A warm layer for eveningsnights drop to 54°F
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Doolin & the Cliffs of Moher in September
With conditions on your side, the picks below favor time outside.
Cliffs of Moher
Sea cliffs rising over 200m above the Atlantic, with a visitor centre and path.
Why now September scores 72/100 for comfort, good conditions for being outside.
Doolin Cliff Walk
Guided or self-led walk from Doolin along the clifftop to the Cliffs of Moher.
Why now Highs near 61°F and 4.1 in of monthly rain make this an easy outdoor pick.
Doolin Cave
Cave tour to the Great Stalactite, one of the longest free-hanging stalactites.
Why now Our curated notes list it for "rainy day", which suits a wetter month.
Poulnabrone Dolmen
Neolithic portal tomb on the bare limestone of the Burren.
Gus O'Connor's Pub
Fisher Street pub with trad music sessions nightly through the year.
Why now One to do outside while the weather is on your side.
Nearby in September
- Galway in September~22 mi · highs 63°F, 3.4 in rain · 1°C (2°F) warmer by day, drier
- Connemara in September~42 mi · highs 60°F, 4.4 in rain · similar daytime temperatures, about as wet
- Dublin in September~131 mi · highs 61°F, 3.0 in rain · similar daytime temperatures, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Doolin & the Cliffs of Moher in September: quick answers
Is September a good time to visit Doolin & the Cliffs of Moher?
Yes. On the climate data it's one of the best months, scoring 72/100. Expect highs of 61°F (16°C) and 4.1 in (103 mm) of rain. September is inside the May – Sep window our Dublin to the Wild Atlantic Way route recommends.
How cold is Doolin & the Cliffs of Moher in September?
Average highs are 61°F (16°C) and average lows 54°F (12°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Doolin & the Cliffs of Moher in September?
Some: about 4.1 in (103 mm) of rain falls across September on average, the 5th-driest month of the year. The annual total is about 51.7 in (1313 mm).
What should I pack for Doolin & the Cliffs of Moher in September?
Bring a warm layer for evenings (nights drop to 54°F), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Doolin & the Cliffs of Moher
Routes in season in September
- Dublin to the Wild Atlantic Way May – Sep
Planning Doolin & the Cliffs of Moher in September?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.