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Wilmington weather in September 2025
Expect 30°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Wilmington in September. Check more long-term weather averages for Wilmington in September before you book your next holiday to North Carolina in 2025/2026.
- 30°C max day temperature
30 - 8 hours of sunshine per day
- 9 days with some rainfall
9 - 18°C min night temperature
18 - 12 hours of daylight per day
12 - Moderate heat & humidity
M - 139 mm of monthly rainfall
139 - 8 (Very High) UV index
8 - 26°C sea temperature
26
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The September weather guide for North Carolina (Wilmington) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Wilmington in September?
Daytime temperatures usually reach 30°C in Wilmington in September with moderate heat and humidity, falling to 18°C at night.
How sunny is it in Wilmington in September?
There are normally 8 hours of bright sunshine each day in Wilmington in September - that's 62% of daylight hours.
How warm is the sea around Wilmington in September?
The average sea temperature around Wilmington in September is 26°C.
Does it rain in Wilmington in September?
There are usually 9 days with some rain in Wilmington in September and the average monthly rainfall is 139mm.
What is the chance of a hurricane in Wilmington in September?
On average 1.4 days in September in Wilmington are likely to be affected by the passage of one or more tropical storms.
Wilmington September sunrise & sunset times
Browse the sunrise and sunset times for Wilmington in September 2025. Select a month to view Wilmington sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 05:45 | 18:37 |
| Monday, 15th September 2025 | 05:55 | 18:18 |
| Tuesday, 30th September 2025 | 06:06 | 17:57 |
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