Sligo weather in September (Sligo County, Ireland)

Planning a trip to Sligo in September? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In September, Sligo generally has moderate temperatures and high rainfall. Throughout the day, temperatures typically settle at around 17°C. But by evening, they drop to around 10°C.

Sligo in September usually receives high rainfall, averaging around 104 mm for the month. Typically around 21 days of rainfall is expected.

The area sees fewer sunny days, with a projection of about 93 hours of sunshine. This reduced sunlight makes it ideal for those who prefer cooler, overcast conditions over bright sunny days.

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

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

 

Sligo, monthly averages in September

Min Temperature 10°C  

Max Temperature 17°C  

Chance of Rain 70%  

Precipitation 104 mm  

Rainy days 21 days  

Humidity 83% *  

Sunshine 93 hours *  

Percentage Sunshine 26% *  

* Data from: Claremorris, 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 Sligo in September?

For visitors traveling to Sligo, 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

4/10

Cycling

5/10

Walking

5/10

Camping

6/10

Outdoor sports

9/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Sligo.

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.