Capel Celyn Weather in September

Thinking of visiting Capel Celyn in September? Expect moderate temperatures reaching 17°C (63°F) during the day, dropping to 9°C (48°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Capel Celyn in September

Climate statistics over the past 30 years suggest around 17 days of rain, with 95 mm (3.7 in) average for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Capel Celyn in September

If you're visiting Capel Celyn in September, expect highs of 17°C (63°F) and overnight lows around 9°C (48°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Capel Celyn in September

The month experiences a moderate amount of sunlight, with 111 hours of sunshine. This provides a nice balance between sunshine and clouds.

Should you favor a climate that's both dry and comfortably warm, July typically offers 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.