Tallaght weather in September (Dublin County, Ireland)

Will it be warm or cold in Tallaght this September? Find all the essential weather information for this month in our guide.

Temperatures

During September, Tallaght usually has moderate temperatures and moderate rainfall. Expect temperatures to climb to 18°C during the day, with nighttime readings dropping to 10°C.

Precipitation

Tallaght in September usually receives moderate rainfall, averaging around 75 mm for the month. You can typically expect 16 days days of rain this month, based on climate records.

Average sunshine

The area enjoys a moderate level of sunlight, with around 128 hours. It's a good balance between sunny and cloudy days.

If you prefer dry days with pleasant temperatures, July and August typically offer 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 Tallaght climate page with graphs.

 

Tallaght, monthly averages in September

Min Temperature 10°C  

Max Temperature 18°C  

Water Temperature 15°C *  

Chance of Rain 52%  

Precipitation 75 mm  

Rainy days 16 days  

Humidity 71% *  

Windspeed 14 km/h *  

Sunshine 128 hours *  

Percentage Sunshine 33% *  

* Data from: Dublin, Ireland (17 KM, 11 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 Tallaght, 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

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 Tallaght.

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.