Sipitang weather in September

In September, Sipitang sees average daytime highs of 29°C and overnight lows near 23°C, with 255 mm of rain across 24 wet days and about 12 hours of daylight. It is the 6th-warmest and 6th-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 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 Sipitang's 8th-clearest and 5th-windiest month. For the whole year in context, see Sipitang's year-round climate.

Daytime high
29°
6th warmest
Overnight low
23°
6th coldest
Rainfall
255 mm
24 wet days
Daylight
12 hours
6:11 AM – 6:13 PM
Cloud cover
84%
8th clearest
Wind
6 km/h
5th windiest
Solar energy
5.67 kWh/m²
Travel score
3.4
out of 10

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 Sipitang reaches about 29°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°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)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252923
262923
272923
282923
292923
302923

How September really feels in Sipitang

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.

Sipitang weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°24223.411.73.8
Feb29° / 23°19720.611.83.8
Mar29° / 23°23024123.6
Apr30° / 23°27326.112.13.1
May30° / 23°26925.512.23.2
Jun29° / 23°24422.312.33.5
Jul29° / 23°22621.412.33.8
Aug29° / 23°23421.612.23.7
Sep29° / 23°25524123.4
Oct29° / 23°28927.611.93.1
Nov29° / 23°30327.911.83.0
Dec29° / 23°29025.911.73.4

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 8% of September, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11288
21288
31189
41189
51189
61189
71189
81090
91090
101090
111090
12991
13991
14991
15991
16991
171090
181090
191090
201090
211090
221090
231090
241090
251090
261090
271090
28991
29991
30991

Chance of precipitation in September

Any precipitation

Sipitang gets around 255 mm of rain over 24 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 80% and peaks near 86% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
179
280
379
479
579
679
778
878
978
1078
1178
1278
1378
1478
1578
1678
1778
1879
1979
2080
2181
2281
2382
2483
2583
2684
2784
2885
2985
3086

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
1298
2298
3298
4298
5397
6397
7397
8397
9397
10397
11397
12397
13496
14496
15496
16496
17496
18496
19397
20397
21397
22397
23397
24298
25298
26298
27298
28199
29199
30199

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
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 6:15 AM to 6:08 AM, and sunset from 6:20 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:156:20
212.16:146:20
312.16:146:19
412.16:146:19
512.16:146:19
612.16:146:18
712.16:136:18
812.16:136:17
912.16:136:17
1012.16:136:16
1112.16:126:16
1212.06:126:15
1312.06:126:14
1412.06:126:14
1512.06:126:13
1612.06:116:13
1712.06:116:12
1812.06:116:12
1912.06:116:11
2012.06:106:11
2112.06:106:10
2212.06:106:10
2312.06:106:09
2412.06:106:09
2512.06:096:08
2612.06:096:08
2712.06:096:07
2812.06:096:07
2912.06:086:06
3012.06:086:06

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 5.86 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
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Sipitang

In seasonPeak

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

Sipitang 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 Sipitang?

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

3.4
Sightseeing
7th-best month of the year
4.4
Beach & pool
7th-best month of the year

September is a weaker month for outdoor sightseeing in Sipitang.

What to pack for Sipitang in September

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

In September, Sipitang sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Sipitang 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 20 km away) is warmest in June 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
Mar28Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov30Tropical
Dec29Tropical

UV index in Sipitang 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 Sipitang 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 Sipitang 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 Sipitang 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 Sipitang?

Sipitang sits at 5.1°N, 115.5°E, 9 m above sea level, in Malaysia. The nearest listed city is Lawas, 29 km away.

Topography around Sipitang

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

Within 3 km, the terrain around Sipitang has only modest variations in elevation — a maximum elevation change of 56 m around an average of 8 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 743 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,025 m.

The land around Sipitang is covered by trees (42%) and water (42%) within 3 km, trees (53%) and water (38%) within 16 km, and trees (62%) and water (32%) within 80 km.

3 km
56 m
16 km
743 m
80 km
2,025 m
treesshrubsgrasslandartificial surfacesbare terrainwatermangroves
September weather nearby: Lawas 29 km · Beaufort 37 km · Bandar Labuan 40 km · Labuan 40 km · Muara 54 km · Serasa 55 km · Kuala Penyu 55 km · Mentiri 60 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 Sipitang (5.079°, 115.5496°, elevation 9 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).