Llanarthney Weather in September

Llanarthney in September sees pleasant daytime temperatures of 18°C (64°F) and nighttime lows of 11°C (52°F). Rainfall is fairly high this month at around 102 mm (4 in), so pack a rain jacket to stay dry.

Rainfall in Llanarthney in September

You can expect rain on roughly 16 days based on historical data, averaging 102 mm (4 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Llanarthney in September

Expect highs of 18°C (64°F) in Llanarthney in September, with nights dropping to around 11°C (52°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. 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 Llanarthney in September

The area enjoys a balanced 149 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Llanarthney.