Sennen Weather in September

Sennen in September sees moderate daytime temperatures of 18°C (64°F) and nighttime lows of 15°C (59°F). Rainfall is fairly high this month at around 71 mm (2.8 in), so pack a rain jacket to stay dry.

Rainfall in Sennen in September

Based on our climate data of the past 30 years, about 16 days of rain are anticipated, with 71 mm (2.8 in) on average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Sennen in September

Expect highs of 18°C (64°F) in Sennen in September, with nights dropping to around 15°C (59°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows of 15°C (59°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 Sennen in September

With about 161 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.