Holyhead Weather in September

September in Holyhead sees daytime temperatures around 18°C (64°F) and lows of 13°C (55°F) at night. With around 89 mm (3.5 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Holyhead in September

On average, there are about 16 days with rain during this month, averaging 89 mm (3.5 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Holyhead in September

In September, Holyhead sees moderate temperatures, with highs of 18°C (64°F). Nights drop to around 13°C (55°F). Summer occurs in September. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 13°C (55°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Holyhead.