Start with an easy walk along the waterfront in Atlantic Beach, the compact beach community just north of Myrtle Beach. This is a good arrival-day stop rather than a full beach expedition: stretch your legs, take in the broad shoreline, and look for a public access point with nearby street parking. Allow about an hour, and bring water—September is still hot and humid, with daytime temperatures often in the 80s. Public beach access is generally free, though parking rules vary by block, so check posted signs before leaving the car.
From Atlantic Beach, plan on roughly 2½–3 hours by car to Folly Beach, depending on traffic through the Myrtle Beach and Charleston areas. Head south via US-17 and follow signs toward Folly Island; a navigation app is worthwhile because beach traffic can build quickly. Stop at the beach viewpoint for Morris Island Lighthouse, where you can see the historic brick tower offshore without trying to arrange a boat trip or trespass onto the protected island. Spend about an hour on the sand, but note that the lighthouse is viewed from a distance and there are no visitor facilities at the site.
Continue to Folly Beach County Park at the southern end of Folly Island for a slower afternoon—about two hours for a swim, shoreline walk, or simply sitting by the water. Check the county’s current parking and beach-access fees before arriving; lots can fill on warm weekends, and September lifeguard coverage may be limited or seasonal. Rinse stations and restrooms are available seasonally, but it is smart to carry drinking water, sunscreen, and a dry change of clothes.
Drive back toward James Island for an early dinner at Bowen’s Island Restaurant, a casual Lowcountry seafood spot overlooking the marsh. Allow about 20–30 minutes from Folly Beach in light traffic, though the bridge and Folly Road can slow down around dinner time. Expect roughly $20–40 per person before drinks; order something seafood-forward and arrive early enough to enjoy the view before sunset. After dinner, return to central Folly Beach for a 45-minute stroll along Folly Beach Pier on Center Street. The pier is ideal for a final sea breeze and evening colors; check current pier access hours and any posted admission or construction notices, since hours can change seasonally.
Arrive early at Kiawah Beachwalker Park, ideally around 9:30–10:00am after the drive from Atlantic Beach. This is the island’s public beach access at the west end, where the Kiawah River meets the Atlantic; spend about two relaxed hours walking the wide shoreline, swimming, and watching for dolphins or shorebirds. Parking is limited and can fill on pleasant September mornings, so check the county park’s current hours, admission, and parking status before leaving; bring water, sunscreen, and a change of clothes.
Drive roughly 15–20 minutes to Freshfields Village for an easy late-morning reset. Its compact pedestrian streets are good for browsing local shops and galleries without committing to a full shopping stop, and you can budget about $8–20 per person for coffee or a light bite. Allow around 90 minutes, then continue inland toward the island’s central area rather than lingering too long—the afternoon nature activities are the highlight.
Head to Night Heron Park, Kiawah’s nature-focused hub, for about 90 minutes of quiet trails, ponds, and birdwatching. September is warm, so the shaded paths are more comfortable than an exposed beach walk; bring insect repellent and binoculars if you have them. From there, join a reserved Kiawah Island Golf Resort nature program in the late afternoon—guided paddling, birding, and naturalist outings vary by date and weather, so confirm the meeting point and arrive 10–15 minutes early. Most programs require advance booking and may add roughly $40–100 per person.
Finish at The Ocean Room inside The Sanctuary, one of Kiawah’s landmark resort settings. Plan on about $75–150 per person before drinks, and reserve ahead; resort dress is polished but not overly formal. Allow time after the nature program to freshen up and drive over, and confirm the restaurant’s September hours and parking instructions—access to resort facilities can be controlled for non-guest visitors.
After breakfast, leave Kiawah Island with enough time to reach Angel Oak Tree on Johns Island by about 8:30–9:00am. The drive generally takes 25–35 minutes, depending on island traffic; parking at the site is free, and the grounds usually open in the morning, but check the current hours before setting out. Allow roughly an hour beneath this extraordinary live oak—its sprawling limbs make it one of the Lowcountry’s most memorable stops. Keep the visit gentle and respectful: climbing on the tree is not allowed, and the area can be humid even early in the day.
Continue toward downtown Charleston, allowing 30–40 minutes for the drive and time to find parking. Charleston City Market is best explored late in the morning, when the stalls are lively but before the heat peaks; browse the covered market for sweetgrass baskets, local artwork, and small Lowcountry-made gifts. It is free to enter, though prices vary widely by vendor. From the market, walk about 10–15 minutes south toward The Battery, following the historic streets and pausing to admire the pastel row houses along the way.
Walk the waterfront promenade at The Battery for about an hour, looking across the harbor toward Fort Sumter and along the grand homes of the South of Broad neighborhood. Then head a few blocks inland to Poogan’s Porch in Harleston Village for lunch. Reservations are wise, particularly on a Sunday, and a 1.5-hour meal with classic Lowcountry dishes will typically run about $25–50 per person before drinks and gratuity. The restaurant occupies a historic townhouse, so expect a charming, slightly tight interior rather than a quick casual stop.
Finish at nearby White Point Garden, less than a 10-minute walk from the restaurant. Spend 45 minutes under the live oaks, viewing the historic cannon and waterfront; it is an easy final Charleston stop before the drive back. Aim to leave the peninsula around 3:30–4:00pm for Atlantic Beach, taking US-17 N after connecting through the Charleston-area roads. The drive is usually about 2 hours 15 minutes to 2 hours 45 minutes, with possible delays near Charleston and Myrtle Beach, so fill the tank before departing and use live navigation for the best route.