Castlebar weather in September (Mayo, Ireland)

Interested in knowing the climate of Castlebar in September? Want to know if this month is ideal for visiting? Our guide provides detailed weather information.

Temperatures

During September, Castlebar usually has moderate temperatures and moderate rainfall. Daytime temperatures generally peak at 17°C, but after sunset, they often decrease to around 10°C.

Precipitation

Castlebar in September usually receives moderate rainfall, averaging around 94 mm for the month. Climate data suggests that about 21 days will experience rainfall.

Average sunshine

The month is characterized by fewer sunny days, with roughly 93 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

Should you favor a climate that's both dry and comfortably warm June typically offers the most agreeable circumstances. On the other hand, January, February, November and December tend to be characterized by conditions that may not be as optimal.

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

 

Castlebar, monthly averages in September

Min Temperature 10°C  

Max Temperature 17°C  

Chance of Rain 69%  

Precipitation 94 mm  

Rainy days 21 days  

Humidity 83% *  

Sunshine 93 hours *  

Percentage Sunshine 26% *  

Data from: Claremorris, Ireland (25 KM, 16 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 Castlebar, 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

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 Castlebar.

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.