Wilmington Weather in September

With daytime temperatures of 26°C (79°F) and nighttime lows of 16°C (61°F), September in Wilmington brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 114 mm (4.5 in) falls on average.

Rainfall in Wilmington in September

Typically, you can expect about 9 days of rain this month, with 114 mm (4.5 in) on average. 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 Wilmington in September

September in Wilmington brings typical temperatures with highs around 26°C (79°F) and lows of 16°C (61°F). This kind of day-to-night contrast is typical for this time of year. With lows of 16°C (61°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 Wilmington in September

The city usually sees around 218 hours of sunlight, indicating many sunny days , a great month for sightseeing.

If you prefer dry days with pleasant temperatures, May typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.