Llannon weather in September (United Kingdom)

Can you expect sunny skies in Llannon in September? Find all the essential weather information for this month in our guide.

Temperatures

The month of September in Llannon typically brings pleasant temperatures and high rainfall. Enjoy the summer season during this month. The daytime often sees temperatures reaching 18°C, but nighttime brings a cool-down to 11°C.

Precipitation

Llannon in September usually receives high rainfall, averaging around 104 mm for the month. Rain is expected on roughly 16 days.

Average sunshine

The city usually sees around 149 hours of sunlight, indicating a moderately sunny period.

If your ideal day consists of dry skies and moderate temperatures July generally stands out with 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 Llannon climate page with graphs.

 

Llannon, monthly averages in September

Min Temperature 11°C  

Max Temperature 18°C  

Chance of Rain 53%  

Precipitation 104 mm  

Rainy days 16 days  

Humidity 81% *  

Sunshine 149 hours *  

Percentage Sunshine 37% *  

Data from: Cardiff, the United Kingdom (65 KM, 40 Miles).

Where to go in the United Kingdom in September

Find out more about the weather in the United Kingdom 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 Llannon, 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

6/10

Cycling

9/10

Walking

9/10

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 Llannon.

Our site offers climate and forecast data for every country in the world. Are you going to the United Kingdom? On this website you can find historical weather averages for many cities in the United Kingdom. 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.