St Clears Weather in September

September in St Clears brings pleasant temperatures, with daytime highs of 18°C (64°F) and nights around 12°C (54°F). Quite a bit of rainfall is expected, around 98 mm (3.9 in), so pack an umbrella.

Rainfall in St Clears in September

Looking at the last 30 years, the data shows about 15 days with rain, averaging 98 mm (3.9 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in St Clears in September

St Clears in September gets highs of 18°C (64°F) during the day and drops to 12°C (54°F) at night. September is in the summer season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

For St Clears itself, July generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
• February
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For a detailed overview over the year and the best time to visit the United Kingdom, check out our St Clears's climate page.

St Clears Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 51%  

Precipitation 98 mm (3.9 in)  

Rainy days 15 days  

What to Wear in St Clears in September

For St Clears in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in St Clears in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our St Clears's climate page.

More climate data for St Clears

Temperature Rainfall

See the full St Clears climate overview or explore weather in the United Kingdom.