Barmouth Weather in September

During September, Barmouth experiences moderate daytime temperatures of 17°C (63°F) and cooler nights around 11°C (52°F). Expect quite a bit of rainfall. Around 113 mm (4.4 in) is typical.

Rainfall in Barmouth in September

Rain is expected on roughly 17 days, totalling around 113 mm (4.4 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Barmouth in September

If you're visiting Barmouth in September, expect highs of 17°C (63°F) and overnight lows around 11°C (52°F). Conditions are often most pleasant around the middle of the day. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Barmouth in September

The area enjoys a moderate level of sunlight, with around 111 hours. It's a good balance between sunny and cloudy days.

Should you favor a climate that's both dry and comfortably warm, June and July typically offer the most agreeable 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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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• October
• November
• December

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

Barmouth Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 57%  

Precipitation 113 mm (4.4 in)  

Rainy days 17 days  

Sunshine 111 hours *  

Percentage Sunshine *  

* Data from: Bala, the United Kingdom (37 KM, 23 Miles).

What to Wear in Barmouth in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Barmouth in September

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

Swimming

6/10

Cycling

5/10

Walking

5/10

Camping

6/10

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 Barmouth's climate page.

More climate data for Barmouth

Temperature Rainfall Sunshine

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