September 20 is generally a great time to visit Kamakura. While there is a slight chance of rain (37%), showers are usually brief. Expect comfortable 26°C weather. Kamakura is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Kamakura
Currency
JPY
¥ Japanese yen
Language
Japanese
Driving
Left side
Connect
Pick up a useful map of the temples and ...
Safety
Very High Safety
GPI: 1.336
Kamakura Weather Forecast for September 20
"Warm & Sunny. Expect average highs of 25.7°C. 37% chance of rain."
What to Wear in Kamakura in September
Based on historical data for September 20, Kamakura typically experiences temperatures between 21.1°C and 25.7°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 37% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Kamakura
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
25.7°C
Daytime Peak
Average Low
21.1°C
Nighttime Low
Feels Like
26.8°C
☀️ Minor difference
Rain Chance
37%
Avg 4mm if it rains
Cloud Cover
66%
Overcast
Pressure
1013 hPa
Medium volatility
Kamakura 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
🔴 31 min to burn
Type III-IV
🟡 47 min to burn
Type V-VI
🟢 78 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
22°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
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Japan
Flight Traffic
High
98/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~968
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Kamakura
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:29
☀️ Noon
11:36
🌇 Sunset
17:44
⏱️ Daylight
12h 15m
Wind Speed
19 km/h
Gentle breeze
Sunshine
8.2 hrs
Direct Sun (Cloud-free)
Humidity
80%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Kamakura
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Kamakura
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
Very high seismic risk. Ring of Fire territory.
Typhoon Risk
Year-round risk present
Volcanic Activity
Nearest: Mount Fuji
74.5km away
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, Kamakura on September 20 averages 25.7°C with a 37% precipitation probability. Wedding/Outdoor Event Score: 87/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Kamakura Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 27
23.9°C • 29% rain
Score
94
September 26
23.9°C • 30% rain
Score
93
September 13
26.6°C • 33% rain
Score
89
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 20) in other destinations
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🌍 Explore the same date in different destinations around the world
📍 Is Kamakura Worth Visiting on September 20?
Planning a trip to Kamakura on September 20? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 25.7°C with a 37% historical precipitation risk.
✈️ Travel Logistics: Approximately 968 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 8 vaccinations are recommended for Japan, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 26.9°C (tropical bath). Wave conditions are generally fun waves with heights around 1.11m.
📊 Historical Extremes: The hottest September 20 recorded in the last 30 years saw temperatures hit 34°C in 2024, while the coldest dropped to 15.4°C in 2018.