Castleblayney weather in September (Monaghan County, Ireland)

Wondering what the weather is like in Castleblayney during September? Our guide gives you the essential weather details for this month.

Temperatures

September in Castleblayney generally includes moderate temperatures and moderate rainfall. During the day, temperatures usually reach up to 18°C. At night, they tend to fall to approximately 10°C.

Precipitation

Castleblayney in September usually receives moderate rainfall, averaging around 77 mm for the month. Historically, approximately 18 days this month are expected to have rain.

Average sunshine

The area enjoys a balanced 109 hours of sunlight, ensuring it's neither too overcast nor too sunny.

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

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

 

Castleblayney, monthly averages in September

Min Temperature 10°C  

Max Temperature 18°C  

Chance of Rain 60%  

Precipitation 77 mm  

Rainy days 18 days  

Humidity 91% *  

Sunshine 109 hours *  

Percentage Sunshine 28% *  

Data from: Belfast, Ireland (67 KM, 42 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 Castleblayney, 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

4/10

Outdoor sports

9/10

Interested in more climate information?

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

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.