Dennis Weather in September

September in Dennis brings high temperatures, with highs of 22°C (72°F) and nights dropping to 14°C (57°F). Rainfall is on the higher side this month, averaging around 98 mm (3.9 in), so keep a rain jacket handy.

Rainfall in Dennis in September

Typically, you can expect about 8 days of rain this month, with 98 mm (3.9 in) on average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Dennis in September

September is a excellent month in Dennis, with 22°C (72°F) during the day and 14°C (57°F) at night. September is typically considered a summer month. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 14°C (57°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 Dennis in September

The days are predominantly sunny, with an estimated total of around 231 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

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