September 20 is statistically one of the best days of the year in Marmaris. With minimal rain risk (3%) and pleasant highs of 30°C, it's ideal for outdoor adventures. You'll enjoy Marmaris with reasonable crowd levels and competitive accommodation options.
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Essential Travel Info for Marmaris
Currency
TRY
₺ Turkish lira
Language
Turkish
Driving
Right side
Connect
Marmaris and its approach roads have 4G ...
Safety
Travel Precautions
GPI: 2.785
Marmaris Weather Forecast for September 20
"Warm & Sunny. Expect average highs of 30.2°C. 3% chance of rain."
What to Wear in Marmaris in September
Based on historical data for September 20, Marmaris typically experiences temperatures between 20.7°C and 30.2°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (3% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Marmaris
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
30.2°C
Daytime Peak
Average Low
20.7°C
Nighttime Low
Feels Like
33°C
🔥 Feels warmer
Rain Chance
3%
Avg 0mm if it rains
Cloud Cover
11%
Clear sky
Pressure
1011.6 hPa
Low volatility
Marmaris Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 96% 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 - 19:00
Type I-II
🔴 18 min to burn
Type III-IV
🟡 27 min to burn
Type V-VI
🟢 45 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
21.3°C
Humid/Sticky
Heat Index
33°C
Feels hotter
🙂 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
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 Turkey
Flight Traffic
Moderate
48/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~32
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Marmaris
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:54
☀️ Noon
13:01
🌇 Sunset
19:09
⏱️ Daylight
12h 15m
Wind Speed
13.8 km/h
Gentle breeze
Sunshine
11.3 hrs
Direct Sun (Cloud-free)
Humidity
59%
Comfortable
Travel Intelligence
Exclusive flight analytics & health data for Marmaris
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Marmaris
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, Marmaris on September 20 averages 30.2°C with a 3% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Marmaris Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
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 Marmaris Worth Visiting on September 20?
Planning a trip to Marmaris 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 30.2°C with a 3% historical precipitation risk.
✈️ Travel Logistics: Approximately 32 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Turkey, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 27°C (tropical bath). Wave conditions are generally lake-like with heights around 0.35m.
📊 Historical Extremes: The hottest September 20 recorded in the last 30 years saw temperatures hit 35.9°C in 2017, while the coldest dropped to 18.9°C in 2023.