Historical data suggests significant rain risk (70%) on September 17. If you seek sun, consider a different date. Bring rain gear! Langkawi is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Langkawi
Currency
MYR
RM Malaysian ringgit
Language
English
+1 more
Driving
Left side
Connect
Mobile phone coverage is very good in al...
Safety
Very High Safety
GPI: 1.471
Langkawi Weather Forecast for September 17
"Rainy & Overcast. Expect average highs of 28.9°C. 70% chance of rain."
What to Wear in Langkawi in September
Based on historical data for September 17, Langkawi typically experiences temperatures between 24.6°C and 28.9°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 70% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Langkawi
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
28.9°C
Daytime Peak
Average Low
24.6°C
Nighttime Low
Feels Like
35.8°C
🔥 Heat index effect
Rain Chance
70%
Avg 7.3mm if it rains
Cloud Cover
90%
Moderate rain
Pressure
1009.9 hPa
Low volatility
Langkawi Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 88% 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
🔴 36 min to burn
Type III-IV
🟡 54 min to burn
Type V-VI
🟢 90 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
26.3°C
Humid/Sticky
Heat Index
35.8°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 Malaysia
Flight Traffic
High
86/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~30
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Langkawi
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:12
☀️ Noon
13:16
🌇 Sunset
19:21
⏱️ Daylight
12h 8m
Wind Speed
13.8 km/h
Gentle breeze
Sunshine
8.5 hrs
Direct Sun (Cloud-free)
Humidity
86%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Langkawi
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Langkawi
Travel Comfort Index
Real-time tourism conditions
Weather Quality
🌧️ Variable
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
Cyclone Risk
Season: Apr - Dec
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Langkawi on September 17 averages 28.9°C with a 70% precipitation probability. Wedding/Outdoor Event Score: 58/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Langkawi Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 22
29.1°C • 66% rain
Score
61
September 21
29°C • 67% rain
Score
60
September 18
29°C • 68% rain
Score
59
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 17) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Langkawi Worth Visiting on September 17?
Planning a trip to Langkawi on September 17? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 28.9°C with a 70% historical precipitation risk.
✈️ Travel Logistics: Approximately 30 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 11 vaccinations are recommended for Malaysia, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 30.2°C (hot soup). Wave conditions are generally fun waves with heights around 0.62m.
📊 Historical Extremes: The hottest September 17 recorded in the last 30 years saw temperatures hit 30.6°C in 2023, while the coldest dropped to 23°C in 2024.