Weather · Hilton Head, United States
Hilton Head Weather in September
September in Hilton Head averages 28°C by day and 22°C at night, with about 138mm of rain. That makes it a reasonable time to visit.
Avg high
28°C
82°F
Avg low
22°C
72°F
Rainfall
138mm
#4 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Bring a compact umbrella for the odd shower.
Timing a trip around the weather? A Local Friend in Hilton Head builds it around the season for you.