Saint Athan weather in September (United Kingdom)

How does the September weather in Saint Athan compare to other months? Find all the essential weather information for this month in our guide.

Temperatures

Typically, September in Saint Athan includes pleasant temperatures and moderate rainfall. September is known for being in the summer season. As the day progresses, temperatures can peak at 18°C. Luckily at nightfall, they typically drop to 13°C.

Precipitation

Saint Athan in September usually receives moderate rainfall, averaging around 92 mm for the month. Typically, you can expect about 16 days of rain this month.

Average sunshine

Expect a moderate amount of sunlight, with approximately 149 hours. This means a pleasant mix of sun and clouds.

In case you lean more towards enjoying temperate temperatures and rain-free days July typically offers the most optimal weather. In contrast, January, February, November and December tend to have less optimal conditions.

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

 

Saint Athan, monthly averages in September

Min Temperature 13°C  

Max Temperature 18°C  

Water Temperature 15°C *  

Chance of Rain 52%  

Precipitation 92 mm  

Rainy days 16 days  

Humidity 81% *  

Windspeed 14 km/h *  

Sunshine 149 hours *  

Percentage Sunshine 37% *  

Data from: Cardiff, the United Kingdom (4 KM, 3 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 Saint Athan, 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

9/10

Walking

9/10

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 Saint Athan.

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.