North Wales Weather in September

September in North Wales averages 25°C (77°F) during the day and 13°C (55°F) at night. Quite a bit of rainfall is typical this month, with around 106 mm (4.2 in) on average. An umbrella is a good idea.

Rainfall in North Wales in September

Looking at the last 30 years, the data shows about 8 days with rain, averaging 106 mm (4.2 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in North Wales in September

September in North Wales brings high temperatures, with highs of 25°C (77°F) and nights around 13°C (55°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in North Wales in September

Expect sunny days throughout the month, with an estimated 218 hours of sunshine. This makes it a pleasant time to visit North Wales.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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• January
• February
• March
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• May
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• August

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• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our North Wales's climate page.

North Wales Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 27%  

Precipitation 106 mm (4.2 in)  

Rainy days 8 days  

Humidity 72% *  

Sunshine 218 hours *  

Percentage Sunshine 59% *  

* Data from: Philadelphia, the United States of America (30 KM, 18 Miles).

What to Wear in North Wales in September

Warm but pleasant conditions in North Wales in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in North Wales in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

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 States of America, check out our North Wales's climate page.

More climate data for North Wales

Temperature Rainfall Sunshine Humidity

See the full North Wales climate overview or explore weather in the United States of America.