Conwy Weather in September

Conwy in September sees moderate daytime temperatures of 18°C (64°F) and nighttime lows of 11°C (52°F). Rainfall is fairly high this month at around 87 mm (3.4 in), so pack a rain jacket to stay dry.

Rainfall in Conwy in September

The climate data from previous years indicates about 17 days of rain, averaging 87 mm (3.4 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Conwy in September

In September, expect moderate temperatures in Conwy, 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. 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 Conwy in September

The area enjoys a balanced 111 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Conwy.

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

Conwy Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 56%  

Precipitation 87 mm (3.4 in)  

Rainy days 17 days  

Sunshine 111 hours *  

Percentage Sunshine *  

* Data from: Bala, the United Kingdom (43 KM, 27 Miles).

What to Wear in Conwy in September

For Conwy 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. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Conwy 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 Conwy's climate page.

More climate data for Conwy

Temperature Rainfall Sunshine

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