Dún ar Aill Weather in September

September in Dún ar Aill typically sees daytime highs of 18°C (64°F) and nighttime lows of 10°C (50°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Dún ar Aill in September

Typically, about 18 days will experience rainfall, with an average of 75 mm (3 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Dún ar Aill in September

In September, Dún ar Aill gets moderate temperatures, with highs of 18°C (64°F). Nights cool to around 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Dún ar Aill in September

The month brings about 128 hours of sunlight, offering a comfortable mix of sun and overcast.

For Dún ar Aill itself, July generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Ireland, check out our Dún ar Aill's climate page.

Dún ar Aill Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 59%  

Precipitation 75 mm (3 in)  

Rainy days 18 days  

Humidity 75% *  

Sunshine 128 hours *  

Percentage Sunshine 33% *  

* Data from: Cork, Ireland (41 KM, 25 Miles).

What to Wear in Dún ar Aill in September

For Dún ar Aill in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Dún ar Aill in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Dún ar Aill's climate page.

More climate data for Dún ar Aill

Temperature Rainfall Sunshine Humidity

See the full Dún ar Aill climate overview or explore weather in Ireland.