Dundalk weather in September (Louth County, Ireland)

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

Temperatures

Typically, September in Dundalk includes moderate temperatures and moderate rainfall. Throughout the daytime, temperatures often hover around 18°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 10°C.

Precipitation

Dundalk in September usually receives moderate rainfall, averaging around 76 mm for the month. When we look at the climate data from the last 30 years, you can expect around 17 days of rain.

Average sunshine

The month brings about 128 hours of sunlight, offering a comfortable mix of sun and shade.

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

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

 

Dundalk, monthly averages in September

Min Temperature 10°C  

Max Temperature 18°C  

Chance of Rain 57%  

Precipitation 76 mm  

Rainy days 17 days  

Humidity 71% *  

Sunshine 128 hours *  

Percentage Sunshine 33% *  

Data from: Dublin, Ireland (64 KM, 39 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 Dundalk, 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

6/10

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 Dundalk.

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.