September 29 is statistically one of the best days of the year in Santorini. With minimal rain risk (6%) and pleasant highs of 24°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Santorini right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Santorini
Currency
EUR
€ Euro
Language
Greek
Driving
Right side
Connect
There are some local radio stations in S...
Safety
High Safety
GPI: 1.838
Santorini Weather Forecast for September 29
"Mild & Comfortable. Expect average highs of 24.1°C. 6% chance of rain."
What to Wear in Santorini in September
Based on historical data for September 29, Santorini typically experiences temperatures between 20.7°C and 24.1°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (6% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Santorini
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
24.1°C
Daytime Peak
Average Low
20.7°C
Nighttime Low
Feels Like
24.7°C
☀️ Feels accurate
Rain Chance
6%
Avg 0.1mm if it rains
Cloud Cover
21%
Clear sky
Pressure
1014.3 hPa
Low volatility
Santorini Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 100% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 19 min to burn
Type III-IV
🟡 29 min to burn
Type V-VI
🟢 48 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
18°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Greece
Flight Traffic
High
82/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~40
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Santorini
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:12
☀️ Noon
12:09
🌇 Sunset
18:07
⏱️ Daylight
11h 54m
Wind Speed
28.4 km/h
Moderate wind
Sunshine
10.5 hrs
Direct Sun (Cloud-free)
Humidity
69%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Santorini
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Santorini
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Active seismic zone. Multiple earthquakes per year.
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, Santorini on September 29 averages 24.1°C with a 6% precipitation probability. Wedding/Outdoor Event Score: 97/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Santorini Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (September 29) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Santorini Worth Visiting on September 29?
Planning a trip to Santorini on September 29? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 24.1°C with a 6% historical precipitation risk.
✈️ Travel Logistics: Approximately 40 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Greece, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 24.6°C (swimming pool). Wave conditions are generally fun waves with heights around 0.88m.
📊 Historical Extremes: The hottest September 29 recorded in the last 30 years saw temperatures hit 27.3°C in 2024, while the coldest dropped to 19.3°C in 2025.