Weather in Hilton Head in September is generally hot, especially at the beginning of the month, and still very humid too. The daily high temperature in September is 84°F (29°C), with highs frequently rising into the 90s.
Sun is usually plentiful, although periods of cloudiness can occur, with several such days together if there is a storm system passing through. Afternoon rain showers remain common, although these are typically of short duration and very localized.
September is usually still perfect beach weather in Hilton Head, with warm water temperatures just right for swimming and water sports, of which the island offers a full selection, including kayaking, paddle boarding, parasailing, jet-skiing and wakeboarding.
On hot days, active recreation such as hiking, tennis and so on are best enjoyed in the morning, before the full heat sets in. Sun hats, sunscreen and an ample supply of water are necessities for outdoor activities this month. An umbrella is always a good idea for a visit to Hilton Head, and insect repellent too, especially if you will be going to areas with a lot of vegetation or standing water.
The Atlantic hurricane season runs from June through November, with hurricanes impacting Hilton Head and the South Carolina coast most likely during the fall months. In the event of a hurricane or tropical storm, follow all local advice and be prepared to evacuate if necessary.
See also:
– September events in Hilton Head
– Hilton Head’s annual festival calendar
– Airports near Hilton Head, SC
– Transport options between Hilton Head and Savannah
– Hilton Head’s weather by month: January, February, March, April, May, June, July, August, October, November or December
The average daily high temperature in Hilton Head in September is 84°F (29°C). The average daily low is 69°F (21°C).
Hilton Head weather in September usually has more in common with the summer months than the cooler months of fall. Temperatures into the 90s remain common throughout the month, occurring on anywhere from a quarter to half or more of September days. Especially at the beginning of the month, it can stay this hot for several days together.
Most other days the daily high temperature will be somewhere in the 80s. Temperatures in the 70s are possible, and even down in the 60s on occasional cloudy, rainy days, but in general, high temperatures much below 80°F (27°C) are not too common.
In September, morning and evening temperatures can be quite a bit cooler than the afternoon peak, although it should still be reasonably warm, with typical temperatures at this time of day in the lower 70s.
Ocean surface temperature in Hilton Head in September averages between 80-82°F (26-29°C), still just right for watersports and swimming.
The weather in Hilton Head in September is typically extremely humid.
Sunshine in Hilton Head in September averages 7 hours per day. Rain averages 5.1 inches during the month, with rain falling on an average of 10 days.
September is typically a sunny month in Hilton Head, although there is some annual variability in the proportion of sunny and cloudy days depending on whether a storm or hurricane system is passing through the area.
In an average September, you can expect around half to two thirds of days to be consistently clear and sunny, although it is possible for fewer days than this to be sunny in worse than average years.
Largely overcast days are usually rare, with only a few such days during the month, although again, the proportion of mostly cloudy days can increase, to a third or so of September days, in less favorable years when the area sees a lot of storm activity.
The remaining days this month bring a mix of sunny weather and cloudy and possibly rainy periods, the latter often coming in the afternoon — the tail end of South Carolina’s summer rain showers.
The average UV index in Hilton Head in September is 8.
The hurricane season affecting Hilton Head runs from June 1 through November 30. The majority of dangerous storms typically come in fall, the risk increasing from August onward.
A September visit to Hilton Head may be impacted by a hurricane or tropical storm. You may wish to take out appropriate travel insurance to cover weather-related cancellations or changes of plans (check the insurance covers hurricanes, as not all policies do).
Monitor local weather conditions before traveling and during your stay, and follow all local recommendations in the event of a storm or hurricane. Be prepared to evacuate if necessary.
Information about hurricane preparedness, emergency contacts and evacuation plans is available at the Town of Hilton Head Island website.
In September, the sun rises at 6:58am at the beginning of the month and at 7:16am at the end of the month. It begins to get light in the morning at 5:33am at the start of the month, and by 5:55am at the end.
The sun sets at 7:46pm at the start of the month, and at 7:08pm by its end. It gets completely dark by 9:11pm at the beginning of the month, and by 8:29pm at its end.
The amount of full daylight in September averages around 12 hours 20 minutes per day.
Things To Do In Hilton Head Island In September
– Dolphin tours
– Pinckney Island National Wildlife Refuge
– Ecology-focused boat tours
– Daufuskie Island tours
– Boat tours and rentals
– Kayaking
– Paddle boarding
See also:
– Hilton Head events in September
– Savannah events in September
– Beaufort events
– Savannah National Wildlife Refuge