Boscastle Weather in September

September in Boscastle brings pleasant temperatures around 18°C (64°F) during the day, dropping to 12°C (54°F) at night, with quite a bit of rainfall expected, averaging around 81 mm (3.2 in) for the month.

Rainfall in Boscastle in September

Historically, the month has about 16 days of rain, averaging 81 mm (3.2 in) in total. 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 Boscastle in September

If you're visiting Boscastle in September, expect highs of 18°C (64°F) and overnight lows around 12°C (54°F). September is part of the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Boscastle in September

The month brings about 165 hours of sunlight, offering a comfortable mix of sun and overcast.

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