Seremban weather in September

In September, Seremban sees average daytime highs of 30°C and overnight lows near 23°C, with 216 mm of rain across 25.6 wet days and about 12 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 1% 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 Seremban's 9th-clearest and 5th-windiest month. For the whole year in context, see Seremban's year-round climate.

Daytime high
30°
8th warmest
Overnight low
23°
6th coldest
Rainfall
216 mm
25.6 wet days
Daylight
12 hours
7:06 AM – 7:07 PM
Cloud cover
85%
9th clearest
Wind
5 km/h
5th windiest
Solar energy
5.18 kWh/m²
Travel score
2.9
out of 10

Seremban is city and state capital in Negeri Sembilan, Malaysia.

Density
389/km²
people per km²
Founded
1840

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 30°C through the month.

A typical September day in Seremban reaches about 30°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 29°C and 32°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)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023

How September really feels in Seremban

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.

Seremban weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°16718.711.93.6
Feb32° / 23°13015.711.93.3
Mar32° / 23°21823.7122.6
Apr32° / 24°26126.812.12.4
May31° / 24°22026.512.12.6
Jun31° / 23°16023.212.23.0
Jul30° / 23°17524.312.13.1
Aug30° / 23°20025.812.13.0
Sep30° / 23°21625.6122.9
Oct30° / 23°26926.811.92.8
Nov30° / 23°33728.211.92.6
Dec30° / 23°25824.911.83.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 7% of September, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11090
21090
31090
41189
51189
61189
71189
8991
9991
10991
11991
12991
13892
14991
15991
16991
17892
18892
19892
20793
21694
22694
23694
24694
25694
26694
27694
28694
29793
30793

Chance of precipitation in September

Any precipitation

Seremban gets around 216 mm of rain over 25.6 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 86% and peaks near 87% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
187
286
386
485
585
685
785
885
985
1085
1185
1285
1385
1485
1585
1685
1786
1886
1986
2086
2186
2286
2386
2486
2586
2686
2786
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 86% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
18218
28218
38317
48317
58317
68416
78416
88416
98515
108515
118515
128614
138614
148614
158614
168713
178713
188713
198713
208713
218713
228713
238713
248713
258713
268713
278713
288713
298713
308713

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 7:10 AM to 7:02 AM, and sunset from 7:14 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.17:107:14
212.17:107:13
312.07:107:13
412.07:107:12
512.07:097:12
612.07:097:11
712.07:097:11
812.07:087:11
912.07:087:10
1012.07:087:10
1112.07:087:09
1212.07:077:09
1312.07:077:08
1412.07:077:08
1512.07:067:07
1612.07:067:07
1712.07:067:07
1812.07:067:06
1912.07:057:06
2012.07:057:05
2112.07:057:05
2212.07:047:04
2312.07:047:04
2412.07:047:03
2512.07:047:03
2612.07:037:03
2712.07:037:02
2812.07:037:02
2912.07:027:01
3012.07:027:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.18 kWh/m².

For context, solar energy here swings from a low near 4.29 kWh/m² to a high of 5.62 kWh/m² in March across the year — September's 5.18 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Seremban

In seasonPeak

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

Seremban 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 Seremban?

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

2.9
Sightseeing
7th-best month of the year
4.0
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Seremban.

What to pack for Seremban in September

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

In September, Seremban sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Seremban 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 37 km away) is warmest in May at about 30°C and coldest in January near 29°C.

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

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Seremban in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Seremban peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 15Jul 12UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul10Extreme
Aug12Extreme
Sep14Extreme
Oct13Extreme
Nov10Extreme
Dec11Extreme

Air quality in Seremban 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 Seremban is worst in September — around 66 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorSep 1965 µg/m³Feb 1349 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb48Poor
Mar54Poor
Apr59Unhealthy
May55Unhealthy
Jun55Unhealthy
Jul57Unhealthy
Aug59Unhealthy
Sep66Unhealthy
Oct62Unhealthy
Nov55Poor
Dec51Poor
Location & terrain

Where is Seremban?

Seremban sits at 2.7°N, 101.9°E, 59 m above sea level, in Malaysia. The nearest listed city is Seremban 2, 6.0 km away.

Topography around Seremban

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

Within 3 km, the terrain around Seremban has only modest variations in elevation — a maximum elevation change of 173 m around an average of 79 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,007 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,819 m.

The land around Seremban is covered by trees (49%) and artificial surfaces (48%) within 3 km, trees (82%) within 16 km, and trees (61%) and water (28%) within 80 km.

3 km
173 m
16 km
1,007 m
80 km
1,819 m
treesgrasslandartificial surfacesbare terrainwatermangroves
September weather nearby: Seremban 2 6.0 km · Taman Seremban Jaya 6.0 km · Taman Senawang Indah 7.0 km · Bandar Sri Sendayan 10 km · Kampung Baharu Nilai 18 km · Lukut 21 km · Sepang 21 km · Rembau 23 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 Seremban (2.7297°, 101.9381°, elevation 59 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).