Portnoo weather in September (Ireland)

What's the typical weather in Portnoo for September? Check out this detailed guide to the month’s weather conditions.

Temperatures

The month of September in Portnoo typically brings moderate temperatures and high rainfall. Daytime temperatures hover around 16°C, while nights can cool down to about 12°C.

Precipitation

Portnoo in September usually receives high rainfall, averaging around 132 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 22 days of the month will see rainfall.

If you prefer dry days with pleasant temperatures, August typically offers 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 Portnoo climate page with graphs.

 

Portnoo, monthly averages in September

Min Temperature 12°C  

Max Temperature 16°C  

Chance of Rain 73%  

Precipitation 132 mm  

Rainy days 22 days  

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 Portnoo, 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.

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 Portnoo.

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.