Claregalway weather in September (Galway County, Ireland)

How is the weather in Claregalway in September? Here's what the weather might have in store during this month.

In September, Claregalway typically experiences moderate temperatures and moderate rainfall. Daytime temperatures hover around 18°C, while nights can cool down to about 10°C.

Claregalway in September usually receives moderate rainfall, averaging around 83 mm for the month. It's the month with the least rainfall. Whether you're keen on hiking, outdoor festivals, or just enjoying a walk in the park, this month provides a reliably dry backdrop for all your plans. Typically around 20 days of rainfall is expected.

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

If you prefer dry days with pleasant temperatures, July typically offers the best circumstances. While January, February, November and December tend to showcase less optimal conditions.

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

 

Claregalway, monthly averages in September

Min Temperature 10°C  

Max Temperature 18°C  

Chance of Rain 65%  

Precipitation 83 mm  

Rainy days 20 days  

Humidity 83% *  

Sunshine 93 hours *  

Percentage Sunshine 26% *  

* Data from: Claremorris, Ireland (42 KM, 26 Miles).

Where to go in Ireland in September

Find out more about the weather in Ireland in September and which places have the best weather 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 Claregalway, 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 in September.

Swimming

4/10

Cycling

6/10

Walking

6/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

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

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 climate conditions. Find out where to go with our weather planner.