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Hourly Forecast
Daylight Hours
07:12
Sunrise
19:21
Sunset
Moon
Waxing Crescent
12:36
Moonrise
21:53
Moonset
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Weather in Hilton Head Island today, September 16, 2026
Hilton Head Island is set for a fine, sunny day on September 16, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. The morning sky stays heavily clouded, with cover near 74% around 08:00. Grey conditions set the early tone before any later change.
The temperature range runs from about 22°C up to 29°C. The air stays humid, with relative humidity between 50% and 83% and the peak around 08:00. Winds stay light, near 5.0 km/h by 17:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 93% by 18:00. Sunshine remains the exception, not the rule. Horizontal visibility holds close to 16.1 km. Sunrise is at 07:12 and sunset at 19:21, giving 12 hours 9 minutes of sunlight today.
Overall, Hilton Head Island on September 16, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 29°C.
Frequently asked questions about weather in Hilton Head Island
How warm does it get in Hilton Head Island?
The warmest month in Hilton Head Island is July, with average high temperatures of 31°C. The average temperature during this period is around 28°C.
How cold does it get in Hilton Head Island?
The coldest month in Hilton Head Island is January, with average low temperatures of 8°C. The average temperature during this period is around 11°C.
What is the wettest time of year in Hilton Head Island?
The wettest month in Hilton Head Island is August, with an average of 202mm of precipitation.
What is the driest time of year in Hilton Head Island?
The driest month in Hilton Head Island is November, with an average of 64mm of precipitation.
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