Builth Wells Weather in September

September in Builth Wells brings moderate temperatures, with highs of 17°C (63°F) and nights dropping to 9°C (48°F). It's also the driest month of the year, ideal for those who want to avoid rain.

Rainfall in Builth Wells in September

This is the driest month, making it a great choice for planning outdoor excursions. Expect around 16 days of rain based on historical data, with 81 mm (3.2 in) average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Builth Wells in September

Temperatures in Builth Wells in September top out at 17°C (63°F) and drop to 9°C (48°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

If you prefer enjoying temperate temperatures and rain-free days, July typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.