Charleston, South Carolina, in September typically offers warm temperatures and relatively lower humidity compared to the summer months. Expect average high temperatures around 83°F (28°C) and average low temperatures around 70°F (21°C). Rainfall is possible, so packing accordingly is advisable. The weather transitions from the intense heat of summer toward milder, more pleasant conditions, making it a popular time to visit.
Typical Weather Conditions in Charleston During September
Charleston weather in September is generally considered a transitional period, moving away from the intense heat and humidity of summer towards the milder, more comfortable conditions of fall. Understanding what to expect can help you plan your activities and pack appropriately. — Badlands Tour: A Look Into Halsey's Dystopian World
Temperature
Charleston in September experiences a noticeable drop in average temperatures compared to July and August. The average high temperature hovers around 83°F (28°C), providing warm days ideal for outdoor activities. Evenings become more comfortable, with average low temperatures settling around 70°F (21°C), perfect for dining al fresco or taking a stroll along the historic streets.
Humidity
Although September brings relief from the peak summer humidity, it is still present. You can anticipate moderate humidity levels that are significantly lower than those experienced in July and August. This decrease in humidity makes outdoor activities more enjoyable and less draining.
Rainfall
September weather in Charleston includes the possibility of rainfall. The average rainfall during this month is around 4.5 inches, spread out over several days. Brief showers or thunderstorms are common, particularly in the afternoons. Staying updated with the local weather forecast can help you plan around any potential rain.
Sunshine
Charleston typically enjoys abundant sunshine in September, with clear and sunny days interspersed with occasional cloud cover. The extended daylight hours allow ample time for exploring the city's attractions and enjoying the surrounding natural beauty.
Wind
Gentle breezes are common in Charleston during September, contributing to the overall pleasant weather conditions. These breezes can provide a refreshing respite from the warmth and make outdoor activities even more enjoyable.
Sea Temperature
The water temperature in the Atlantic Ocean off the coast of Charleston remains warm in September, usually around 82°F (28°C). These warm waters are perfect for swimming, watersports, and other beach activities. Many visitors take advantage of the comfortable sea temperature to enjoy the beaches before the cooler months arrive.
What to Pack for Charleston in September
Packing appropriately for Charleston weather in September will ensure you are comfortable and prepared for the range of conditions. Here’s a comprehensive packing list to guide you:
Clothing
- Lightweight and breathable fabrics: Pack clothing made from cotton, linen, or moisture-wicking materials to stay cool and comfortable in the warm temperatures.
- Short-sleeved shirts and tank tops: Essential for staying comfortable during the day.
- Long-sleeved shirts: Useful for cooler evenings or protection from the sun.
- Shorts, capris, and skirts: Ideal for daytime wear.
- Lightweight pants: Good for evenings or cooler days.
- Swimsuit: If you plan to swim in the ocean or a pool.
- Light jacket or sweater: Evenings can be slightly cooler, so a light outer layer is recommended.
- Rain jacket or umbrella: Be prepared for potential rain showers.
Footwear
- Comfortable walking shoes: Essential for exploring the historic streets and attractions.
- Sandals or flip-flops: Great for the beach or casual wear.
- Dress shoes: If you plan to dine at upscale restaurants or attend formal events.
Accessories
- Sunscreen: Protect your skin from the strong September sun.
- Sunglasses: Essential for eye protection.
- Hat or visor: Provides additional sun protection.
- Insect repellent: Mosquitoes and other insects can be prevalent, especially in the evenings.
- Beach towel: If you plan to spend time at the beach.
- Reusable water bottle: Staying hydrated is crucial in the warm weather.
Miscellaneous
- Travel-sized toiletries: To save space and comply with airline regulations.
- Medications: Bring any necessary prescription or over-the-counter medications.
- Camera: To capture your memories of Charleston.
- Portable charger: To keep your electronic devices powered up.
Activities to Enjoy in Charleston During September
Charleston in September offers a wide array of activities, taking advantage of the pleasant weather and vibrant atmosphere. From historical explorations to outdoor adventures, there’s something for everyone.
Historical Sightseeing
-
Fort Sumter: Visit the iconic Fort Sumter, where the American Civil War began. Take a ferry to the fort and explore its historical significance.
-
Historic Charleston City Market: Explore this historic market, which dates back to the 18th century. Browse local crafts, souvenirs, and food vendors.
-
Rainbow Row: Stroll along Rainbow Row, a series of colorful historic houses that are a quintessential Charleston landmark.
-
Charleston City Hall: Admire the architecture and learn about the history of Charleston City Hall, an important civic building.
Outdoor Activities
-
Beaches: Enjoy the warm waters and sandy shores of Charleston’s beaches, such as Isle of Palms, Sullivan’s Island, and Folly Beach.
-
Water Sports: Take advantage of the pleasant weather and try water sports like kayaking, paddleboarding, or surfing.
-
Plantations: Visit historic plantations like Drayton Hall or Middleton Place, where you can tour the grounds and learn about the history of the region.
-
Walking Tours: Join a guided walking tour to discover the hidden gems and historical landmarks of Charleston.
Culinary Experiences
- Seafood Restaurants: Indulge in fresh seafood at one of Charleston’s many acclaimed restaurants.
- Farmers Markets: Visit local farmers markets to sample fresh produce and artisanal goods.
- Cooking Classes: Take a cooking class and learn to prepare traditional Southern dishes.
Cultural Events
- Charleston Wine + Food Festival: While the main festival is in March, keep an eye out for smaller culinary events and workshops that may occur in September.
- Local Music: Enjoy live music at various venues throughout the city, showcasing local talent and diverse genres.
- Art Galleries: Explore Charleston’s vibrant art scene by visiting local art galleries and studios.
Tips for Visiting Charleston in September
To make the most of your visit to Charleston in September, consider these helpful tips:
Book Accommodations in Advance
September is a popular time to visit Charleston, so it’s advisable to book your accommodations well in advance. This will ensure you have a wider selection of hotels, vacation rentals, and bed and breakfasts to choose from.
Stay Hydrated
Even though the humidity is lower than in the summer, it’s still important to stay hydrated. Carry a reusable water bottle and drink plenty of water throughout the day, especially when you’re outdoors.
Use Sun Protection
The sun can still be strong in September, so protect your skin by applying sunscreen regularly. Wear sunglasses and a hat to shield your eyes and face from the sun’s rays.
Be Prepared for Rain
September can bring occasional rain showers, so pack a rain jacket or umbrella. Check the local weather forecast regularly to stay informed about potential rain and adjust your plans accordingly.
Plan Outdoor Activities in the Morning or Late Afternoon
To avoid the hottest part of the day, plan your outdoor activities for the morning or late afternoon. This will help you stay comfortable and avoid overheating.
Take Advantage of Indoor Attractions
If you encounter a rainy day, take advantage of Charleston’s many indoor attractions, such as museums, art galleries, and historic houses.
Explore Beyond the Historic District
While the historic district is a must-see, consider exploring other neighborhoods and attractions in Charleston, such as the beaches, plantations, and parks.
Check for Local Events
September often brings a variety of local events and festivals to Charleston. Check local listings and event calendars to see if there are any special events happening during your visit. — Patrick Henry Rec Center: Your Guide To Programs & Activities
FAQ About Charleston Weather in September
What kind of temperatures should I expect in Charleston in September?
Charleston in September typically sees average high temperatures around 83°F (28°C) and average low temperatures around 70°F (21°C). You can expect warm days and comfortable evenings, ideal for outdoor activities and exploring the city.
How much rain typically falls in Charleston during the month of September?
Typically, Charleston receives around 4.5 inches of rainfall throughout September. Showers and thunderstorms are possible, especially in the afternoons, so it's wise to stay updated on the weather forecast and pack accordingly with a rain jacket or umbrella.
Is the ocean water warm enough for swimming in Charleston in September?
Yes, the ocean water off the coast of Charleston remains quite warm in September, with temperatures generally around 82°F (28°C). This makes it an excellent time for swimming, water sports, and enjoying the beaches before cooler temperatures arrive. — Ohio State's 2025 QB Battle: Who Will Lead The Buckeyes?
What level of humidity can you anticipate experiencing during September in Charleston?
While September offers some relief from the peak summer humidity, you can still expect moderate humidity levels. It's generally less humid than July and August, making outdoor activities more enjoyable, but staying hydrated is still important.
What type of clothing is most appropriate to wear during a trip to Charleston in September?
For a September trip to Charleston, pack lightweight, breathable clothing like cotton or linen to stay comfortable in the warm temperatures. Include short-sleeved shirts, tank tops, shorts, and skirts, as well as a light jacket or sweater for cooler evenings. Don't forget a swimsuit for beach visits.
Are there many mosquitoes in Charleston during the month of September?
Mosquitoes can still be present in Charleston during September, especially in the evenings and near marshy areas. It’s a good idea to bring insect repellent to protect yourself from mosquito bites, particularly if you plan to spend time outdoors.
What are some popular activities to do in Charleston during the month of September?
Charleston in September is great for historical sightseeing, like visiting Fort Sumter and Rainbow Row. You can also enjoy outdoor activities such as beach trips, water sports, and plantation tours. Don't miss the culinary scene and local events for a well-rounded experience.
Should I be concerned about hurricanes when visiting Charleston in September?
September falls within the Atlantic hurricane season, so it's wise to monitor weather forecasts for any potential tropical storms or hurricanes. While Charleston has hurricane preparedness plans, staying informed and being ready to adjust your travel plans if needed is always prudent.
