September 5 is generally a great time to visit Busan. While there is a slight chance of rain (35%), showers are usually brief. Expect comfortable 27°C weather. Busan is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Busan
Currency
KRW
₩ South Korean won
Language
Korean
Driving
Right side
Safety
High Safety
GPI: 1.779
Busan Weather Forecast for September 5
"Warm & Sunny. Expect average highs of 26.9°C. 35% chance of rain."
What to Wear in Busan in September
Based on historical data for September 5, Busan typically experiences temperatures between 21.7°C and 26.9°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 35% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Busan
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
26.9°C
Daytime Peak
Average Low
21.7°C
Nighttime Low
Feels Like
28.2°C
🔥 Minor difference
Rain Chance
35%
Avg 4.1mm if it rains
Cloud Cover
64%
Overcast
Pressure
1010.1 hPa
Medium volatility
Busan Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 87% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 30 min to burn
Type III-IV
🟡 45 min to burn
Type V-VI
🟢 75 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
23.4°C
Humid/Sticky
Heat Stress
Low
No heat warning
😐 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
Jellyfish Warning
High water temps may attract jellyfish swarms.
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in South Korea
Flight Traffic
High
84/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~141
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Busan
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:00
☀️ Noon
12:24
🌇 Sunset
18:48
⏱️ Daylight
12h 47m
Wind Speed
16.3 km/h
Gentle breeze
Sunshine
8.0 hrs
Direct Sun (Cloud-free)
Humidity
81%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Busan
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Busan
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
Typhoon Risk
Year-round risk present
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Busan on September 5 averages 26.9°C with a 35% precipitation probability. Wedding/Outdoor Event Score: 89/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Busan Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 10
26.5°C • 28% rain
Score
94
September 6
26.8°C • 31% rain
Score
91
September 7
26.8°C • 33% rain
Score
91
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 5) in other destinations
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📍 Is Busan Worth Visiting on September 5?
Planning a trip to Busan on September 5? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 26.9°C with a 35% historical precipitation risk.
✈️ Travel Logistics: Approximately 141 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 10 vaccinations are recommended for South Korea, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 27.8°C (tropical bath). Wave conditions are generally fun waves with heights around 0.92m.
📊 Historical Extremes: The hottest September 5 recorded in the last 30 years saw temperatures hit 32.2°C in 2025, while the coldest dropped to 17.1°C in 2020.