Clonmacnoise Weather in September

Thinking of visiting Clonmacnoise in September? Expect pleasant temperatures reaching 18°C (64°F) during the day, dropping to 10°C (50°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Clonmacnoise in September

Climate statistics over the past 30 years suggest around 18 days of rain, with 76 mm (3 in) average for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Clonmacnoise in September

Daytime temperatures in Clonmacnoise reach 18°C (64°F) in September, dropping to 10°C (50°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer 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.

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 Clonmacnoise's climate page.

Clonmacnoise Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 61%  

Precipitation 76 mm (3 in)  

Rainy days 18 days  

What to Wear in Clonmacnoise in September

For Clonmacnoise 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.

What To Do in Clonmacnoise in September

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

Cycling

9/10

Walking

9/10

Camping

8/10

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 Clonmacnoise's climate page.

More climate data for Clonmacnoise

Temperature Rainfall

See the full Clonmacnoise climate overview or explore weather in Ireland.