Langkawi weather in September

In September, Langkawi sees average daytime highs of 29°C and overnight lows near 26°C, with 231 mm of rain across 25 wet days and about 12 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 2% of the time in September, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Langkawi's 11th-clearest and 8th-windiest month. For the whole year in context, see Langkawi's year-round climate.

Daytime high
29°
11th warmest
Overnight low
26°
6th coldest
Rainfall
231 mm
25 wet days
Daylight
12 hours
7:14 AM – 7:16 PM
Cloud cover
88%
11th clearest
Wind
10 km/h
8th windiest
Solar energy
5.34 kWh/m²
Travel score
3.3
out of 10

Langkawi is village in Malaysia.

Founded
1914

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Langkawi reaches about 29°C in the afternoon and slips back to 26°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12926
22926
32926
42926
52926
62926
72926
82926
92926
102926
112926
122926
132926
142926
152926
162926
172926
182926
192926
202926
212926
222926
232926
242926
252926
262926
272926
282926
292926
302926

How September really feels in Langkawi

Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Langkawi weather by month

How September compares with the rest of the year at a glance. September is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 26°467.911.74.8
Feb31° / 26°427.411.84.5
Mar31° / 26°10915.4123.9
Apr30° / 26°17123.412.13.2
May30° / 27°21325.312.33.1
Jun30° / 27°16821.512.43.4
Jul30° / 26°1812212.33.6
Aug29° / 26°21423.112.23.5
Sep29° / 26°23125123.3
Oct29° / 26°30628.411.93.1
Nov29° / 26°23825.111.73.3
Dec29° / 26°12115.411.64.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 5% of September, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2793
3793
4793
5793
6793
7793
8793
9793
10793
11892
12892
13892
14892
15892
16892
17892
18892
19892
20793
21793
22793
23694
24694
25694
26694
27595
28595
29595
30595

Chance of precipitation in September

Any precipitation

Langkawi gets around 231 mm of rain over 25 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 83% and peaks near 89% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
181
281
381
481
581
681
782
882
982
1082
1182
1282
1382
1482
1582
1682
1782
1883
1983
2084
2184
2285
2385
2486
2586
2687
2787
2888
2989
3089

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the miserable band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
13565
23565
33664
43664
53664
63763
73763
83763
93862
103862
113961
123961
133961
144060
154060
164060
174060
184060
194060
204060
214159
224159
234159
244159
254258
264258
274258
284258
294357
304357

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over September. Sunrise moves from 7:17 AM to 7:11 AM, and sunset from 7:24 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.17:177:24
212.17:177:23
312.17:167:23
412.17:167:22
512.17:167:22
612.17:167:21
712.17:167:21
812.17:157:20
912.17:157:20
1012.17:157:19
1112.17:157:19
1212.17:157:18
1312.17:157:18
1412.07:147:17
1512.07:147:17
1612.07:147:16
1712.07:147:15
1812.07:147:15
1912.07:137:14
2012.07:137:14
2112.07:137:13
2212.07:137:13
2312.07:137:12
2412.07:127:12
2512.07:127:11
2612.07:127:11
2712.07:127:10
2812.07:127:09
2912.07:127:09
3012.07:117:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.34 kWh/m².

For context, solar energy here swings from a low near 4.86 kWh/m² to a high of 6.43 kWh/m² in March across the year — September's 5.34 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Langkawi

In seasonPeak

In September, Langkawi sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

Langkawi sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Cyclone
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Langkawi?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.3
Sightseeing
8th-best month of the year
4.3
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Langkawi.

What to pack for Langkawi in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Langkawi sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Langkawi in September

The nearest coast averages about 30°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 31°C and coldest in January near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar30Tropical
Apr30Tropical
May31Tropical
Jun31Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Langkawi in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Langkawi peaks around February 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 14Nov 21UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec11Extreme

Air quality in Langkawi in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Langkawi is worst in July — around 18 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1517 µg/m³Nov 1712 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar16Moderate
Apr16Moderate
May14Moderate
Jun17Moderate
Jul18Moderate
Aug16Moderate
Sep16Moderate
Oct13Moderate
Nov12Moderate
Dec13Moderate
Location & terrain

Where is Langkawi?

Langkawi sits at 6.3°N, 99.8°E, 11 m above sea level, in Malaysia. The nearest listed city is Kampung Baru Ulu Melaka, 7.0 km away.

Topography around Langkawi

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Langkawi.

Within 3 km, the terrain around Langkawi has significant variations in elevation — a maximum elevation change of 452 m around an average of 57 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 874 m; within 80 km, large variations in elevation — a maximum elevation change of 874 m.

The land around Langkawi is covered by trees (52%) and water (28%) within 3 km, water (53%) and trees (35%) within 16 km, and water (63%) and trees (26%) within 80 km.

3 km
452 m
16 km
874 m
80 km
874 m
treesgrasslandcroplandartificial surfaceswatermangroves
September weather nearby: Kampung Baru Ulu Melaka 7.0 km · Satun 41 km · Kangar 41 km · Kampung Hutan Arau 50 km · Padang Besar 51 km · Kuala Kedah 56 km · Anak Bukit 61 km · Alor Setar 62 km

Malaysia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / G / M
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$13,125
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
95%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
22.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 581
Religion
Muslim 64%Buddhist 19%Christian 9%Hindu 6%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Langkawi (6.3265°, 99.8432°, elevation 11 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).