Beaufort weather in September

In September, Beaufort sees average daytime highs of 31°C and overnight lows near 23°C, with 180 mm of rain across 23.4 wet days and about 12 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 2% 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 Beaufort's 9th-clearest and 5th-windiest month. For the whole year in context, see Beaufort's year-round climate.

Daytime high
31°
7th warmest
Overnight low
23°
7th coldest
Rainfall
180 mm
23.4 wet days
Daylight
12 hours
6:10 AM – 6:12 PM
Cloud cover
84%
9th clearest
Wind
4 km/h
5th windiest
Solar energy
5.67 kWh/m²
Travel score
2.9
out of 10

Beaufort is human settlement in Malaysia.

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 31°C through the month.

A typical September day in Beaufort reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°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)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123

How September really feels in Beaufort

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.

Beaufort weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°18821.611.73.4
Feb31° / 23°14718.411.83.4
Mar32° / 23°15021123.1
Apr32° / 24°18623.812.12.6
May32° / 24°19724.212.22.7
Jun31° / 23°17721.712.33.0
Jul31° / 23°17320.712.33.3
Aug31° / 23°16721.112.23.1
Sep31° / 23°18023.4122.9
Oct30° / 23°23926.811.92.8
Nov30° / 23°24127.511.82.7
Dec30° / 23°23125.211.73.0

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 9% of September, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11387
21387
31387
41288
51288
61288
71189
81189
91189
101189
111090
121090
131090
141090
151090
161090
171090
181090
191189
201189
211189
221189
231189
241189
251189
261189
271189
281189
291090
301090

Chance of precipitation in September

Any precipitation

Beaufort gets around 180 mm of rain over 23.4 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 78% and peaks near 82% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
178
279
379
479
579
679
779
878
978
1078
1178
1278
1377
1477
1576
1676
1776
1876
1976
2076
2177
2277
2378
2479
2579
2680
2780
2881
2982
3082

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 91% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
10919
20919
30919
40919
50919
60919
70919
80919
90919
100919
110919
121909
131909
141909
151909
161909
171909
181918
191918
201918
211918
221918
231918
241918
251918
261918
271918
280928
290928
300928

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
264calm
274calm
284calm
294calm
304calm

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 6:14 AM to 6:08 AM, and sunset from 6:20 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:146:20
212.16:136:19
312.16:136:19
412.16:136:18
512.16:136:18
612.16:136:17
712.16:126:17
812.16:126:16
912.16:126:16
1012.16:126:15
1112.16:126:15
1212.06:116:14
1312.06:116:14
1412.06:116:13
1512.06:116:13
1612.06:106:12
1712.06:106:12
1812.06:106:11
1912.06:106:11
2012.06:106:10
2112.06:096:10
2212.06:096:09
2312.06:096:09
2412.06:096:08
2512.06:096:08
2612.06:086:07
2712.06:086:07
2812.06:086:06
2912.06:086:06
3012.06:086:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.67 kWh/m².

For context, solar energy here swings from a low near 4.77 kWh/m² to a high of 5.94 kWh/m² in April across the year — September's 5.67 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Beaufort

In seasonPeak

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

Beaufort 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 Beaufort?

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

2.9
Sightseeing
8th-best month of the year
4.3
Beach & pool
7th-best month of the year

September is a weaker month for outdoor sightseeing in Beaufort.

What to pack for Beaufort in September

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

In September, Beaufort sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Beaufort 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 34 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
Jan28Tropical
Feb27Warm
Mar28Tropical
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Beaufort 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 Beaufort peaks around April 15 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeApr 15UV 14Dec 11UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr15Extreme
May14Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Beaufort 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 Beaufort 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 Beaufort?

Beaufort sits at 5.3°N, 115.7°E, 18 m above sea level, in Malaysia. The nearest listed city is Kuala Penyu, 30 km away.

Topography around Beaufort

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

Within 3 km, the terrain around Beaufort has significant variations in elevation — a maximum elevation change of 332 m around an average of 51 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 922 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,947 m.

The land around Beaufort is covered by trees (80%) within 3 km, trees (91%) within 16 km, and trees (59%) and water (37%) within 80 km.

3 km
332 m
16 km
922 m
80 km
1,947 m
treesshrubsgrasslandartificial surfacesbare terrainwatermangroves
September weather nearby: Kuala Penyu 30 km · Sipitang 37 km · Keningau 46 km · Papar 48 km · Bandar Labuan 55 km · Labuan 56 km · Kinarut 63 km · Lawas 66 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 Beaufort (5.3473°, 115.7455°, elevation 18 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).