Bettws Weather in September

Bettws in September sees pleasant daytime temperatures of 18°C (64°F) and nighttime lows of 11°C (52°F). Rainfall is fairly high this month at around 94 mm (3.7 in), so pack a rain jacket to stay dry.

Rainfall in Bettws in September

You can expect rain on around 16 days based on historical patterns, with 94 mm (3.7 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Bettws in September

In September, Bettws gets pleasant temperatures, with highs of 18°C (64°F). Nights cool to around 11°C (52°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows of 11°C (52°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.

Sunshine in Bettws in September

The month brings about 149 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Bettws in September

September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Average water temperature in September

The water temperature is 15°C (59°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

If you prefer dry days with pleasant temperatures, July typically offers 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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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Bettws's climate page.

Bettws Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 18°C (64°F)  

Water Temperature 15°C (59°F) *  

Chance of Rain 55%  

Precipitation 94 mm (3.7 in)  

Rainy days 16 days  

Humidity 81% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 149 hours *  

Percentage Sunshine 37% *  

* Data from: Cardiff, the United Kingdom (24 KM, 15 Miles).

What to Wear in Bettws in September

For Bettws 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. The water temperature sits at about 15°C (59°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Bettws in September

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

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 Bettws's climate page.

More climate data for Bettws

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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