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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 today, September 16, 2026
Hilton Head starts September 16, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Expect a grey start, with morning cloud around 100% by 08:00. Outdoor plans early on should not rely on bright skies.
Expect highs of 31°C and cooler readings close to 22°C. The air stays humid, with relative humidity between 42% and 92% and the peak around 07:00. A lighter breeze peaks around 15:00 near 5.6 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 15:00. Outdoor plans may still want a flexible backup. Expect visibility near 16.1 km, with poorer spells close to 15.7 km. The sun rises at 07:12 and sets at 19:21, for a total of 12 hours 9 minutes of sunlight today.
The practical takeaway for Hilton Head is a bright September 16, 2026, ideal for outdoor errands before temperatures ease from about 31°C.
Frequently asked questions about weather in Hilton Head
How warm does it get in Hilton Head?
The warmest month in Hilton Head 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?
The coldest month in Hilton Head 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?
The wettest month in Hilton Head is August, with an average of 202mm of precipitation.
What is the driest time of year in Hilton Head?
The driest month in Hilton Head is November, with an average of 64mm of precipitation.
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