Letterfrack Weather in September

September in Letterfrack averages 17°C (63°F) during the day and 11°C (52°F) at night. Quite a bit of rainfall is typical this month, with around 118 mm (4.6 in) on average. An umbrella is a good idea.

Rainfall in Letterfrack in September

Past climate data indicates that roughly 21 days will see rain, totalling around 118 mm (4.6 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Letterfrack in September

Temperatures in Letterfrack in September top out at 17°C (63°F) and drop to 11°C (52°F) overnight. Conditions are often most pleasant around the middle of the day. Nights drop to around 11°C (52°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.

Sunshine in Letterfrack in September

The city usually sees around 93 hours of sunlight, indicating fewer sunny days.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July and August typically offer the best circumstances for Letterfrack.

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• January
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• May
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• October
• November
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For a detailed overview over the year and the best time to visit Ireland, check out our Letterfrack's climate page.

Letterfrack Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 70%  

Precipitation 118 mm (4.6 in)  

Rainy days 21 days  

Humidity 83% *  

Sunshine 93 hours *  

Percentage Sunshine 26% *  

* Data from: Claremorris, Ireland (66 KM, 41 Miles).

What to Wear in Letterfrack in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Letterfrack 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 Letterfrack's climate page.

More climate data for Letterfrack

Temperature Rainfall Sunshine Humidity

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