Roundstone weather in September (Galway County, Ireland)

Interested in knowing the climate of Roundstone in September? Want to know if it's a good time to visit? This page has all the weather details for the month.

Temperatures

In September, the weather in Roundstone generally includes moderate temperatures and high rainfall. As the day progresses, temperatures can peak at 17°C. Luckily at nightfall, they typically drop to 12°C.

Precipitation

Roundstone in September usually receives high rainfall, averaging around 128 mm for the month. Records from the past 30 years suggest that around 21 days will experience rain.

Average sunshine

The area experiences limited sunny days, amounting to roughly 93 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

In case you lean more towards enjoying temperate temperatures and rain-free days May, July and August typically offer the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Roundstone climate page with graphs.

 

Roundstone, monthly averages in September

Min Temperature 12°C  

Max Temperature 17°C  

Chance of Rain 69%  

Precipitation 128 mm  

Rainy days 21 days  

Humidity 83% *  

Sunshine 93 hours *  

Percentage Sunshine 26% *  

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

Where to go in Ireland in September

Find out more about the weather in Ireland and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Roundstone, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Roundstone.

Our site offers climate and forecast data for every country in the world. Are you going to Ireland? On this website you can find historical weather averages for many cities in Ireland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.