Clonmel Weather in September

Clonmel in September sees moderate temperatures, with highs around 18°C (64°F) and overnight lows of 10°C (50°F). Rainfall is fairly high at around 72 mm (2.8 in) on average, so pack waterproofs just in case.

Rainfall in Clonmel in September

You can typically expect 17 days of rain this month, averaging around 72 mm (2.8 in). Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Clonmel in September

In September, expect moderate temperatures in Clonmel, with highs of 18°C (64°F) and lows of 10°C (50°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Clonmel in September

You can expect a moderate amount of sunlight, with approximately 116 hours. This means a pleasant mix of sun and overcast.

For Clonmel itself, July generally stands out with 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.