Carna Weather in September

September in Carna brings moderate temperatures around 17°C (63°F) during the day, dropping to 12°C (54°F) at night, with quite a bit of rainfall expected, averaging around 135 mm (5.3 in) for the month.

Rainfall in Carna in September

Climate statistics over the past 30 years suggest around 21 days of rain, with 135 mm (5.3 in) average for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Carna in September

Expect highs of 17°C (63°F) in Carna in September, with nights dropping to around 12°C (54°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Carna in September

The month has fewer sunny days, with around 93 hours of sunshine.

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable 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 Carna's climate page.

Carna Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 69%  

Precipitation 135 mm (5.3 in)  

Rainy days 21 days  

Humidity 83% *  

Sunshine 93 hours *  

Percentage Sunshine 26% *  

* Data from: Claremorris, Ireland (71 KM, 44 Miles).

What to Wear in Carna in September

For Carna 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Carna in September

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

Swimming

4/10

Cycling

5/10

Walking

5/10

Camping

6/10

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 Carna's climate page.

More climate data for Carna

Temperature Rainfall Sunshine Humidity

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