Colwyn Bay Weather in September

With daytime temperatures of 18°C (64°F) and nighttime lows of 11°C (52°F), September in Colwyn Bay brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 85 mm (3.3 in) falls on average.

Rainfall in Colwyn Bay in September

You can expect rain on roughly 17 days based on historical data, averaging 85 mm (3.3 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Colwyn Bay in September

In September, expect moderate temperatures in Colwyn Bay, with highs of 18°C (64°F) and lows of 11°C (52°F) at night. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Colwyn Bay in September

With about 111 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Colwyn Bay.

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• January
• February
• March
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• May
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• October
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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Colwyn Bay's climate page.

Colwyn Bay Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 55%  

Precipitation 85 mm (3.3 in)  

Rainy days 17 days  

Sunshine 111 hours *  

Percentage Sunshine *  

* Data from: Bala, the United Kingdom (42 KM, 26 Miles).

What to Wear in Colwyn Bay in September

For Colwyn Bay 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. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Colwyn Bay in September

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

Swimming

6/10

Cycling

6/10

Walking

6/10

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 Colwyn Bay's climate page.

More climate data for Colwyn Bay

Temperature Rainfall Sunshine

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