Labuan weather in September

In September, Labuan sees average daytime highs of 29°C and overnight lows near 27°C, with 158 mm of rain across 19.8 wet days and about 12 hours of daylight. It is the 5th-warmest and 4th-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 5% of the time in September, and the air most often feels oppressive.

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 Labuan's 9th-clearest and 6th-windiest month. For the whole year in context, see Labuan's year-round climate.

Daytime high
29°
5th warmest
Overnight low
27°
7th coldest
Rainfall
158 mm
19.8 wet days
Daylight
12 hours
6:12 AM – 6:14 PM
Cloud cover
81%
9th clearest
Wind
11 km/h
6th windiest
Solar energy
5.88 kWh/m²
Travel score
4.0
out of 10

Labuan is capital of Labuan, Malaysia.

Founded
1946

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 Labuan reaches about 29°C in the afternoon and slips back to 27°C overnight — a 2°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.

24°26°28°30°32°151015202530
Avg high (°C)Avg low (°C)
12927
22927
32927
42927
52927
62927
72927
82927
92927
102927
112927
122927
132927
142927
152927
162927
172927
182927
192927
202927
212927
222927
232926
242926
252926
262926
272926
282926
292926
302926

How September really feels in Labuan

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.

Labuan weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°13116.511.75.1
Feb28° / 26°8110.911.85.8
Mar28° / 26°5412.1125.7
Apr29° / 27°9115.712.14.7
May29° / 27°11418.412.24.2
Jun29° / 27°15217.212.34.2
Jul29° / 27°14517.812.34.3
Aug29° / 27°14017.612.24.3
Sep29° / 27°15819.8124.0
Oct28° / 26°20124.811.93.7
Nov28° / 26°19024.611.83.6
Dec28° / 26°18722.611.74.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 10% of September, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11981
21981
31981
41882
51783
61783
71783
81684
91585
101585
111585
121486
131486
141486
151486
161486
171486
181486
191585
201585
211585
221585
231585
241585
251585
261585
271585
281585
291585
301585

Chance of precipitation in September

Any precipitation

Labuan gets around 158 mm of rain over 19.8 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 66% and peaks near 74% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
165
266
366
466
567
667
767
866
966
1066
1166
1265
1365
1464
1564
1664
1763
1863
1963
2064
2164
2265
2366
2467
2568
2669
2770
2871
2973
3074

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
15842
25842
35941
46040
56040
66139
76139
86238
96238
106238
116238
126238
136238
146238
156238
166139
176040
186040
195941
205842
215842
225842
235842
245842
255842
265941
275941
286040
296139
306238

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 6:16 AM to 6:10 AM, and sunset from 6:22 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:166:22
212.16:156:21
312.16:156:21
412.16:156:20
512.16:156:20
612.16:156:19
712.16:146:19
812.16:146:18
912.16:146:18
1012.16:146:17
1112.16:146:17
1212.06:136:16
1312.06:136:16
1412.06:136:15
1512.06:136:15
1612.06:126:14
1712.06:126:14
1812.06:126:13
1912.06:126:13
2012.06:126:12
2112.06:116:12
2212.06:116:11
2312.06:116:11
2412.06:116:10
2512.06:116:10
2612.06:106:09
2712.06:106:09
2812.06:106:08
2912.06:106:08
3012.06:106:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.88 kWh/m².

For context, solar energy here swings from a low near 5.06 kWh/m² to a high of 6.28 kWh/m² in April across the year — September's 5.88 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.7Bright
Planning a trip in September

Hazard calendar for Labuan

In seasonPeak

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

Labuan sits in the Pacific typhoon belt; the season peaks July–October.

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

Is September a good time to visit Labuan?

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

4.0
Sightseeing
10th-best month of the year
5.1
Beach & pool
9th-best month of the year

September is a reasonable time to visit Labuan for sightseeing.

What to pack for Labuan in September

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

In September, Labuan sees daytime highs around 29°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Labuan 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 at the nearest coast (about 17 km away) is warmest in June at about 30°C and coldest in February near 27°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
Jan28Warm
Feb27Warm
Mar28Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Labuan 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 Labuan peaks around February 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 18UV 14Dec 11UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Labuan 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 Labuan is worst in March — around 33 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (November, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2032 µg/m³Nov 2211 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar33Moderate
Apr27Moderate
May19Moderate
Jun16Moderate
Jul14Moderate
Aug15Moderate
Sep19Moderate
Oct14Moderate
Nov11Good
Dec12Good
Location & terrain

Where is Labuan?

Labuan sits at 5.3°N, 115.2°E, 7 m above sea level, in Malaysia. The nearest listed city is Bandar Labuan, 1.0 km away.

Topography around Labuan

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

Within 3 km, the terrain around Labuan has only modest variations in elevation — a maximum elevation change of 36 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 114 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,948 m.

The land around Labuan is covered by water (39%), trees (25%) and artificial surfaces (25%) within 3 km, water (87%) within 16 km, and water (51%) and trees (43%) within 80 km.

3 km
36 m
16 km
114 m
80 km
1,948 m
treesgrasslandartificial surfacesbare terrainwatermangroves
September weather nearby: Bandar Labuan 1.0 km · Muara 34 km · Serasa 36 km · Sipitang 40 km · Mentiri 43 km · Lawas 50 km · Kuala Penyu 51 km · Bandar Seri Begawan 55 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 Labuan (5.2803°, 115.2475°, elevation 7 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).