Galway weather in September (Galway County, Ireland)

Looking to travel to Galway in September? Here's what the weather might have in store during this month.

In September, Galway generally has moderate temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 18°C. But by evening, they drop to around 10°C.

Galway in September usually receives moderate rainfall, averaging around 86 mm for the month. Typically around 20 days of rainfall is expected.

The city usually sees around 93 hours of sunlight, indicating fewer sunny 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 Galway climate page with graphs.

 

Galway, monthly averages in September

Min Temperature 10°C  

Max Temperature 18°C  

Chance of Rain 65%  

Precipitation 86 mm  

Rainy days 20 days  

Humidity 83% *  

Sunshine 93 hours *  

Percentage Sunshine 26% *  

* Data from: Claremorris, Ireland (49 KM, 30 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 Galway in September?

For visitors traveling to Galway, 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?

Weather and Climate provides you with all the information you need about the climate in Galway.

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.