Valentia Island weather in September (Kerry, Ireland)

Is September a good time to explore Valentia Island weather-wise? Here's what you need to know about the weather for the month.

Temperatures

September in Valentia Island generally includes moderate temperatures and high rainfall. Expect the temperatures during the day to hover around 17°C. At night, they will likely drop to about 12°C.

Precipitation

Valentia Island in September usually receives high rainfall, averaging around 120 mm for the month. Rain is expected on roughly 20 days.

Average sunshine

The area enjoys a moderate level of sunlight, with around 118 hours. It's a good balance between sunny and cloudy days.

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 Island climate page with graphs.

 

Valentia Island, monthly averages in September

Min Temperature 12°C  

Max Temperature 17°C  

Water Temperature 15°C *  

Chance of Rain 67%  

Precipitation 120 mm  

Rainy days 20 days  

Humidity 77% *  

Windspeed 18 km/h *  

Sunshine 118 hours *  

Percentage Sunshine 30% *  

* Data from: Valentia, Ireland (6 KM, 3 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 Valentia Island, 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 Island.

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.