Oldcastle weather in September (Meath, Ireland)

How is the weather in Oldcastle in September? This guide provides all the details you need.

In September, Oldcastle 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.

Oldcastle in September usually receives moderate rainfall, averaging around 77 mm for the month. Based on our climate data of the past 30 years, about 18 days of rain are anticipated.

The area experiences a moderate amount of sunshine, with approximately 128 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

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 Oldcastle climate page with graphs.

 

Oldcastle, monthly averages in September

Min Temperature 10°C  

Max Temperature 18°C  

Chance of Rain 60%  

Precipitation 77 mm  

Rainy days 18 days  

Humidity 71% *  

Sunshine 128 hours *  

Percentage Sunshine 33% *  

* Data from: Dublin, Ireland (70 KM, 43 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 Oldcastle in September?

For visitors traveling to Oldcastle, 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

6/10

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 Oldcastle.

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.