Conwy Weather in September

Conwy in September sees moderate daytime temperatures of 18°C (64°F) and nighttime lows of 11°C (52°F). Rainfall is fairly high this month at around 87 mm (3.4 in), so pack a rain jacket to stay dry.

Rainfall in Conwy in September

The climate data from previous years indicates about 17 days of rain, averaging 87 mm (3.4 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Conwy in September

In September, expect moderate temperatures in Conwy, with highs of 18°C (64°F) and lows of 11°C (52°F) at night. The difference between afternoon and evening temperatures is usually noticeable. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Conwy in September

The area enjoys a balanced 111 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Conwy.