30YearWeather
Charleston, September 10
Charleston street view during September
Historical Weather Analysis

Charleston Weather on September 10 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

28°C

High

22.3°C

Low

36%

Rain

🔥 Feels like 31.9°C (humidity)

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

September 10 is generally a great time to visit Charleston. While there is a slight chance of rain (36%), showers are usually brief. Expect comfortable 28°C weather. Expect a bustling atmosphere in Charleston right now—this is when the city truly comes alive with visitors.

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Charleston Weather Forecast for September 10

"Warm & Sunny. Expect average highs of 28°C. 36% chance of rain."

What to Wear in Charleston in September

Based on historical data for September 10, Charleston typically experiences temperatures between 22.3°C and 28°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 36% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Charleston

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing
  • Umbrella

Average High

extreme-hot

28°C

Daytime Peak

Average Low

extreme-cold

22.3°C

Nighttime Low

Feels Like

partly-cloudy-day

31.9°C

🔥 Feels warmer

Rain Chance

rain

36%

Avg 2.5mm if it rains

Cloud Cover

cloudy

54%

Overcast

Pressure

pressure

1016.2 hPa

Low volatility

Charleston Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

96%Highly Predictable

Based on 10 years of data

Temperature
±2.2°CStable
Precipitation
18-60%Moderate

🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

3.1Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

06:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 26 min to burn

Type III-IV

🟡 39 min to burn

Type V-VI

🟢 65 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

53Moderate
TemperatureHot
HumidityMuggy
WindBreezy

Dew Point

24°C

Humid/Sticky

Heat Index

31.9°C

Feels hotter

😐 Best outdoor time:
Morning hours (before 11 AM)

Marine Conditions

Water Temp
27.1°C
🛁 Tropical Bath
Avg daily surface temperature
Surf Conditions
0.76m
🌊 Fun Waves
Max daily wave height
Advisories

Jellyfish Warning

High water temps may attract jellyfish swarms.

Swim Index

✅ Excellent Swimming Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in United States

Flight Traffic

High

88/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~121

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Charleston

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:01

☀️ Noon

12:18

🌇 Sunset

18:34

⏱️ Daylight

12h 33m

Golden Hour
Morning06:01 - 06:34
18:02 - 18:34Evening

Wind Speed

wind

16.6 km/h

Gentle breeze

Sunshine

clear-day

9.7 hrs

Direct Sun (Cloud-free)

Humidity

humidity

79%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Charleston

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Charleston

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

71/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1016.2 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
36AQI
Good
PM2.5 Concentration9.1 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):1
In Sep (30y):0
💡 Very rare tremors. Standard travel precautions apply.
Moderate

Atlantic Hurricane Risk

Season: Jun - Nov

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Charleston on September 10 averages 28°C with a 36% precipitation probability. Wedding/Outdoor Event Score: 89/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Charleston Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2016
30.6°C
Coldest
2017
17.3°C
Rainiest
2020
5.0mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (September 10) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Charleston Worth Visiting on September 10?

Planning a trip to Charleston on September 10? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 28°C with a 36% historical precipitation risk.

✈️ Travel Logistics: Approximately 121 landing slots available daily during this period, indicating manageable crowd levels.

🌊 Coastal Conditions: Water temperature averages 27.1°C (tropical bath). Wave conditions are generally fun waves with heights around 0.76m.

📊 Historical Extremes: The hottest September 10 recorded in the last 30 years saw temperatures hit 30.6°C in 2016, while the coldest dropped to 17.3°C in 2017.

Charleston Weather FAQ