30YearWeather
Langkawi, September 18
Langkawi street view during September
Historical Weather Analysis

Langkawi Weather on September 18 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

thunderstorm

29°C

High

24.6°C

Low

68%

Rain

🔥 Feels like 35.9°C (humidity)

rain
IT'S A GAMBLE
Peak Season

September 18 sees frequent showers in Langkawi. Historical data shows a 68% chance of rain, so pack accordingly. Temperatures average 29°C. Expect a bustling atmosphere in Langkawi right now—this is when the city truly comes alive with visitors.

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 18

"Rainy & Overcast. Expect average highs of 29°C. 68% chance of rain."

What to Wear in Langkawi in September

Based on historical data for September 18, Langkawi typically experiences temperatures between 24.6°C and 29°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 68% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Langkawi

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing
  • Umbrella

Average High

extreme-hot

29°C

Daytime Peak

Average Low

extreme-cold

24.6°C

Nighttime Low

Feels Like

partly-cloudy-day

35.9°C

🔥 Heat index effect

Rain Chance

rain

68%

Avg 6.4mm if it rains

Cloud Cover

cloudy

89%

Moderate rain

Pressure

pressure

1009.9 hPa

Low volatility

Langkawi Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

86%Highly Predictable

Based on 10 years of data

Temperature
±1.4°CStable
Precipitation
34-102%Unpredictable

🎯 This date historically delivers consistent weather 86% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

2.3Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 35 min to burn

Type III-IV

🟡 53 min to burn

Type V-VI

🟢 88 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

46Poor
TemperatureHot
HumidityMuggy
WindLight Breeze

Dew Point

26.2°C

Humid/Sticky

Heat Index

35.9°C

Feels hotter

😕 Best outdoor time:
Morning hours (before 11 AM)

Marine Conditions

Water Temp
30.2°C
🔥 Hot Soup
Avg daily surface temperature
Surf Conditions
0.62m
🌊 Fun Waves
Max daily wave height
Advisories

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

19:20

⏱️ Daylight

12h 8m

Golden Hour
Morning07:12 - 07:39
18:53 - 19:20Evening

Wind Speed

wind

13.3 km/h

Gentle breeze

Sunshine

clear-day

8.9 hrs

Direct Sun (Cloud-free)

Humidity

humidity

85%

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

46/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1009.9 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskMedium

Mild discomfort possible for arthritic conditions.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
44AQI
Good
PM2.5 Concentration8.3 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
Moderate

Cyclone Risk

Season: Apr - Dec

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Langkawi on September 18 averages 29°C with a 68% precipitation probability. Wedding/Outdoor Event Score: 59/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Langkawi Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2021
30.6°C
Coldest
2024
23.4°C
Rainiest
2017
28.5mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

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Same date (September 18) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Langkawi Worth Visiting on September 18?

Planning a trip to Langkawi on September 18? 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°C with a 68% 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 18 recorded in the last 30 years saw temperatures hit 30.6°C in 2021, while the coldest dropped to 23.4°C in 2024.

Langkawi Weather FAQ