Knock weather in September (Mayo, Ireland)

What is the weather forecast for Knock in September? Find out what kind of weather to expect during this month.

Temperatures

The month of September in Knock typically includes moderate temperatures and moderate rainfall. In the daytime, temperatures tend to hover near 18°C, cooling down at night to around 10°C.

Precipitation

Knock in September usually receives moderate rainfall, averaging around 87 mm for the month. With the least rainfall of the year, this month offers optimal conditions for outdoor exploration. Take advantage of the dry weather to plan your activities. Past climate data indicates that roughly 20 days will see rain.

Average sunshine

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 you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Knock. June and September typically offer the best circumstances. While January, February, November and December tend to showcase less optimal conditions.

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

 

Knock, monthly averages in September

Min Temperature 10°C  

Max Temperature 18°C  

Chance of Rain 68%  

Precipitation 87 mm  

Rainy days 20 days  

Humidity 83% *  

Windspeed 14 km/h *  

Sunshine 93 hours *  

Percentage Sunshine 26% *  

Data from: Claremorris, Ireland (9 KM, 5 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 Knock, 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.

Swimming

4/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

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

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.