Delaware Weather in September

September in Delaware brings high temperatures, with highs of 25°C (77°F) and nights dropping to 12°C (54°F). Rainfall is on the higher side this month, averaging around 84 mm (3.3 in), so keep a rain jacket handy.

Rainfall in Delaware in September

Past climate data indicates that roughly 10 days will see rain, totalling around 84 mm (3.3 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Delaware in September

September is a excellent month in Delaware, with 25°C (77°F) during the day and 12°C (54°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 12°C (54°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 Delaware in September

The days are predominantly sunny, with an estimated total of around 212 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

So this is a great month to visit if you prefer dry days with pleasant temperatures.