Bangar weather in September

In September, Bangar sees average daytime highs of 32°C and overnight lows near 24°C, with 180 mm of rain across 23 wet days and about 12 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 3% 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 Bangar's 7th-clearest and 4th-windiest month. For the whole year in context, see Bangar's year-round climate.

Daytime high
32°
5th warmest
Overnight low
24°
7th coldest
Rainfall
180 mm
23 wet days
Daylight
12 hours
6:13 AM – 6:15 PM
Cloud cover
83%
7th clearest
Wind
6 km/h
4th windiest
Solar energy
5.45 kWh/m²
Travel score
2.6
out of 10

Bangar is town in Brunei.

Density
397/km²
people per km²

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 32°C through the month.

A typical September day in Bangar reaches about 32°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°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)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224

How September really feels in Bangar

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.

Bangar weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°2022311.83.1
Feb31° / 24°14818.111.83.2
Mar32° / 24°14221.1122.9
Apr33° / 24°17223.412.12.4
May33° / 24°17422.912.22.5
Jun32° / 24°16820.612.32.7
Jul32° / 24°16220.812.22.8
Aug32° / 24°17421.512.22.7
Sep32° / 24°18023122.6
Oct31° / 23°24026.611.92.5
Nov31° / 23°24127.111.82.5
Dec31° / 23°23225.611.72.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% 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 87%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11684
21684
31585
41585
51585
61486
71486
81486
91387
101387
111387
121387
131288
141288
151288
161288
171288
181288
191288
201288
211288
221288
231288
241288
251288
261288
271288
281288
291189
301189

Chance of precipitation in September

Any precipitation

Bangar gets around 180 mm of rain over 23 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 77% and peaks near 84% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
175
275
375
475
574
674
774
874
974
1074
1174
1274
1374
1474
1574
1674
1774
1875
1976
2077
2177
2278
2379
2480
2581
2682
2782
2883
2983
3084

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
15347
25347
35347
45347
55347
65347
75347
85248
95248
105248
115149
125149
135050
144951
154852
164852
174753
184654
194654
204555
214555
224456
234456
244456
254456
264456
274456
284456
294555
304555

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 6:17 AM to 6:10 AM, and sunset from 6:22 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:176:22
212.16:166:22
312.16:166:21
412.16:166:21
512.16:166:20
612.16:166:20
712.16:156:19
812.16:156:19
912.16:156:18
1012.16:156:18
1112.06:146:17
1212.06:146:17
1312.06:146:16
1412.06:146:16
1512.06:146:15
1612.06:136:15
1712.06:136:14
1812.06:136:14
1912.06:136:13
2012.06:126:13
2112.06:126:12
2212.06:126:12
2312.06:126:11
2412.06:116:11
2512.06:116:10
2612.06:116:10
2712.06:116:09
2812.06:116:09
2912.06:106:08
3012.06:106:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.45 kWh/m².

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 5.51 kWh/m² in April across the year — September's 5.45 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in September

Hazard calendar for Bangar

In seasonPeak

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

Bangar 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 Bangar?

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

2.6
Sightseeing
8th-best month of the year
4.2
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Bangar.

What to pack for Bangar in September

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

In September, Bangar sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Bangar 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 19 km away) is warmest in May at about 30°C and coldest in February 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
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov30Tropical
Dec29Tropical

UV index in Bangar 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 Bangar peaks around February 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 14Nov 23UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr15Extreme
May14Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Bangar 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 Bangar is worst in September — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1525 µg/m³Dec 1916 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb21Moderate
Mar24Moderate
Apr22Moderate
May23Moderate
Jun21Moderate
Jul21Moderate
Aug21Moderate
Sep25Moderate
Oct20Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Bangar?

Bangar sits at 4.7°N, 115.1°E, 0 m above sea level, in Brunei. The nearest listed city is Limbang, 9.0 km away.

LimbangBandar Seri BegawanMentiriSengkurongSerasaMuaraLawasTutong

Topography around Bangar

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

Within 3 km, the terrain around Bangar has significant variations in elevation — a maximum elevation change of 308 m around an average of 46 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 563 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,326 m.

The land around Bangar is covered by trees (93%) within 3 km, trees (77%) within 16 km, and trees (67%) and water (29%) within 80 km.

3 km
308 m
16 km
563 m
80 km
2,326 m
treesshrubsgrasslandartificial surfaceswatermangroves
September weather nearby: Limbang 9.0 km · Bandar Seri Begawan 25 km · Mentiri 30 km · Sengkurong 33 km · Serasa 34 km · Muara 35 km · Lawas 41 km · Tutong 48 km

Brunei travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type G
240 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$32,235
2025
Homicide rate
0.5
per 100k, 2013
Road deaths
7.5
per 100k/yr, 2019
Income group
High
World Bank
Religion
Muslim 82%Christian 7%Buddhist 6%other 5%

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 Bangar (4.7086°, 115.0717°, elevation 0 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).