Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
September verdict
Hilton Head Island, South Carolina, United States in September
Weather score71Very good
Very good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 7.1h per day, enough for a balanced month. Rainfall averages 134mm, so some wet days are possible.
September weather
Monthly averages
Temp
29°C
Rain
134mm
Sun
7.1h
Weather score
71
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 134mm, so some wet days are possible.
Some sun
Sunshine averages 7.1h per day, enough for a balanced month.
Map
Weather map
Compare Hilton Head Island, South Carolina, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September29°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
September134mm average rain
September sits near Hilton Head Island's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to February, April to May, and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September7.1 hours average sun
September sits close to Hilton Head Island's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Weather score
September71 weather score
September scores above Hilton Head Island's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsApril to June and September to October
These months have the strongest weather score in the monthly averages.
Hotels in Hilton Head Island, South Carolina, United States
Marriott
The Westin Hilton Head Island Resort & SpaHilton Head Island, South Carolina, USA
Courtyard Hilton Head IslandHilton Head Island, South Carolina, USA
SpringHill Suites by Marriott Hilton Head IslandHilton Head Island, South Carolina, USA
Marriott's Grande OceanHilton Head Island, South Carolina, USA
Marriott's Harbour ClubHilton Head Island, South Carolina, USA
Marriott's Heritage ClubHilton Head Island, South Carolina, USA