30YearWeather
Savannah, September 15
Savannah street view during September
Historical Weather Analysis

Savannah Weather on September 15 — Best Time to Visit?

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

cloudy

28.9°C

High

21.5°C

Low

30%

Rain

🔥 Feels like 34.3°C (humidity)

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

September 15 is generally a great time to visit Savannah. While there is a slight chance of rain (30%), showers are usually brief. Expect comfortable 29°C weather. Expect a bustling atmosphere in Savannah 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

Savannah Weather Forecast for September 15

"Warm & Sunny. Expect average highs of 28.9°C. 30% chance of rain."

What to Wear in Savannah in September

Based on historical data for September 15, Savannah typically experiences temperatures between 21.5°C and 28.9°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 30% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Savannah

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing
  • Umbrella

Average High

extreme-hot

28.9°C

Daytime Peak

Average Low

extreme-cold

21.5°C

Nighttime Low

Feels Like

partly-cloudy-day

34.3°C

🔥 Heat index effect

Rain Chance

rain

30%

Avg 2.2mm if it rains

Cloud Cover

cloudy

54%

Overcast

Pressure

pressure

1016 hPa

Low volatility

Savannah Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

84%Highly Predictable

Based on 10 years of data

Temperature
±0.9°CStable
Precipitation
15-70%Unpredictable

🎯 This date historically delivers consistent weather 84% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

3.2Moderate
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

🔴 25 min to burn

Type III-IV

🟡 38 min to burn

Type V-VI

🟢 63 min to burn

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

Outdoor Comfort

How pleasant is it outside?

50Moderate
TemperatureHot
HumidityMuggy
WindBreezy

Dew Point

24.9°C

Humid/Sticky

Heat Index

34.3°C

Feels hotter

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

Marine Conditions

Water Temp
26.9°C
🛁 Tropical Bath
Avg daily surface temperature
Surf Conditions
0.66m
🌊 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

94/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~92

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Savannah

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:09

☀️ Noon

12:21

🌇 Sunset

18:32

⏱️ Daylight

12h 22m

Golden Hour
Morning06:09 - 06:41
18:00 - 18:32Evening

Wind Speed

wind

17.5 km/h

Gentle breeze

Sunshine

clear-day

9.5 hrs

Direct Sun (Cloud-free)

Humidity

humidity

79%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Savannah

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 Savannah

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

76/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1016 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
39AQI
Good
PM2.5 Concentration18.1 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
Moderate

Atlantic Hurricane Risk

Season: Jun - Nov

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Savannah on September 15 averages 28.9°C with a 30% precipitation probability. Wedding/Outdoor Event Score: 90/100."

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

Savannah Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2019
30.9°C
Coldest
2025
17.1°C
Rainiest
2023
6.8mm

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 15) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Savannah Worth Visiting on September 15?

Planning a trip to Savannah on September 15? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 28.9°C with a 30% historical precipitation risk.

✈️ Travel Logistics: Approximately 92 landing slots available daily during this period, indicating manageable crowd levels.

🌊 Coastal Conditions: Water temperature averages 26.9°C (tropical bath). Wave conditions are generally fun waves with heights around 0.66m.

📊 Historical Extremes: The hottest September 15 recorded in the last 30 years saw temperatures hit 30.9°C in 2019, while the coldest dropped to 17.1°C in 2025.

Savannah Weather FAQ