Valentia weather in September (Ireland)

Will it be rainy or sunny in Valentia this September? Our guide gives you the essential weather details for this month.

Temperatures

The month of September in Valentia typically brings moderate temperatures and high rainfall. The temperature during the day can rise to approximately 17°C. At night, it falls to around 12°C.

Precipitation

Valentia in September usually receives high rainfall, averaging around 117 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 20 days of the month will see rainfall.

Average sunshine

Expect a moderate amount of sunlight, with approximately 118 hours. This means a pleasant mix of sun and clouds.

If your ideal day consists of dry skies and moderate temperatures May, June, July and August generally stand out with the best circumstances. While January, February, March, April, November and December tend to showcase less optimal conditions.

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

 

Valentia, monthly averages in September

Min Temperature 12°C  

Max Temperature 17°C  

Water Temperature 15°C  

Chance of Rain 67%  

Precipitation 117 mm  

Rainy days 20 days  

Humidity 77%  

Windspeed 18 km/h  

Sunshine 118 hours  

Percentage Sunshine 30%  

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 Valentia, 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. With a water temperature of around 15°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

5/10

Walking

5/10

Camping

6/10

Outdoor sports

9/10

Interested in more climate information?

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

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.