Brecon Weather in September

In Brecon, September brings moderate daytime temperatures around 17°C (63°F), with nights cooling to 9°C (48°F). Expect quite a bit of rainfall this month.

Rainfall in Brecon in September

You can expect rain on around 17 days based on historical patterns, with 85 mm (3.3 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Brecon in September

If you're visiting Brecon in September, expect highs of 17°C (63°F) and overnight lows around 9°C (48°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Brecon in September

The month experiences a moderate amount of sunlight, with 149 hours of sunshine. This provides a nice balance between sunshine and clouds.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Brecon.

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• 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 Brecon's climate page.

Brecon Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 55%  

Precipitation 85 mm (3.3 in)  

Rainy days 17 days  

Humidity 81% *  

Sunshine 149 hours *  

Percentage Sunshine 37% *  

* Data from: Cardiff, the United Kingdom (60 KM, 37 Miles).

What to Wear in Brecon 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 Brecon 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

4/10

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 Brecon's climate page.

More climate data for Brecon

Temperature Rainfall Sunshine Humidity

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