Langkawi (Kuah) weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Good
Best time to visit: December – March
What is the weather like in Langkawi (Kuah) in September?
In September, Langkawi (Kuah) is hot: daytime highs average 29 °C, and even at night it stays warm at around 25 °C. The sea averages 29.8 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 25 days, totalling 238 mm. The air is often humid and muggy. All in all, September is a good month for a holiday in Langkawi (Kuah).
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 71 | 70 | 69 |
| Day | 30° | 29° | 29° |
| Night | 25° | 25° | 25° |
| Sea | 30° | 30° | 30° |
| Sun | 6 h | 6 h | 6 h |
| Rain days | 23 | 25 | 28 |
More details for September
- Daylight
- 12 h 10 min07:11 – 19:21
- UV index
- 14 · extremeclear sky, noon (estimate)
- Muggy days
- 30 daysdew point 18 °C or more
- Wind
- 16 km/haverage daily peak
- Cloud cover
- 89 %on average
- Hot days
- 5 days30 °C or more
- Time zone
- UTC+8Asia/Kuala_Lumpur
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %48 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Langkawi (Kuah) in September: quick answers
Is Langkawi (Kuah) hot in September?
Yes. In September, Langkawi (Kuah) is hot: daytime highs average 29 °C and nights stay around 25 °C. On about 5 days the thermometer climbs to 30 °C or more.
Can you swim in Langkawi (Kuah) in September?
Yes. In September the sea averages 29.8 °C – almost as warm as a bath.
Does it rain much in Langkawi (Kuah) in September?
It rains often – on about 25 days, adding up to 238 mm.
Langkawi (Kuah) month by month
The whole year in Langkawi (Kuah)All destinations: Malaysia
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)