September 4 sees frequent showers in Nagoya. Historical data shows a 44% chance of rain, so pack accordingly. Temperatures average 30°C. Nagoya is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Nagoya
Currency
JPY
¥ Japanese yen
Language
Japanese
Driving
Left side
Safety
Very High Safety
GPI: 1.336
Nagoya Weather Forecast for September 4
"Warm & Sunny. Expect average highs of 29.7°C. 44% chance of rain."
What to Wear in Nagoya in September
Based on historical data for September 4, Nagoya typically experiences temperatures between 22.4°C and 29.7°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 44% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Nagoya
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
29.7°C
Daytime Peak
Average Low
22.4°C
Nighttime Low
Feels Like
36.8°C
🔥 Heat index effect
Rain Chance
44%
Avg 4.5mm if it rains
Cloud Cover
65%
Overcast
Pressure
1010.7 hPa
Medium volatility
Nagoya Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 83% 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
25.9°C
Humid/Sticky
Heat Index
36.8°C
Feels hotter
😕 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 Japan
Flight Traffic
High
90/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~137
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Nagoya
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:28
☀️ Noon
11:53
🌇 Sunset
18:18
⏱️ Daylight
12h 50m
Wind Speed
13.4 km/h
Gentle breeze
Sunshine
8.8 hrs
Direct Sun (Cloud-free)
Humidity
80%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Nagoya
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Nagoya
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
Active seismic zone. Multiple earthquakes per year.
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, Nagoya on September 4 averages 29.7°C with a 44% precipitation probability. Wedding/Outdoor Event Score: 82/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Nagoya Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 11
29°C • 35% rain
Score
88
August 28
30.8°C • 32% rain
Score
87
August 29
30.8°C • 35% rain
Score
85
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 4) in other destinations
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📍 Is Nagoya Worth Visiting on September 4?
Planning a trip to Nagoya on September 4? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 29.7°C with a 44% historical precipitation risk.
✈️ Travel Logistics: Approximately 137 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 8 vaccinations are recommended for Japan, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 28.7°C (tropical bath). Wave conditions are generally lake-like with heights around 0.37m.
📊 Historical Extremes: The hottest September 4 recorded in the last 30 years saw temperatures hit 33.2°C in 2023, while the coldest dropped to 18.6°C in 2017.