Pelabuhan Klang weather in September

In September, Pelabuhan Klang sees average daytime highs of 32°C and overnight lows near 25°C, with 129 mm of rain across 20.6 wet days and about 12 hours of daylight. It is the 7th-warmest and 8th-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 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 Pelabuhan Klang's 9th-clearest and 5th-windiest month. For the whole year in context, see Pelabuhan Klang's year-round climate.

Daytime high
32°
7th warmest
Overnight low
25°
7th coldest
Rainfall
129 mm
20.6 wet days
Daylight
12 hours
7:08 AM – 7:09 PM
Cloud cover
84%
9th clearest
Wind
7 km/h
5th windiest
Solar energy
5.51 kWh/m²
Travel score
2.8
out of 10

Pelabuhan Klang is human settlement in Malaysia.

Density
35/km²
people per km²
Founded
1901

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 Pelabuhan Klang reaches about 32°C in the afternoon and slips back to 25°C overnight — a 7°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)
13225
23225
33225
43225
53225
63225
73225
83225
93225
103225
113225
123225
133225
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225

How September really feels in Pelabuhan Klang

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.

Pelabuhan Klang weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°20121.111.83.3
Feb32° / 24°12416.411.93.3
Mar32° / 25°16822.1122.8
Apr32° / 25°18824.612.12.5
May32° / 25°15423.312.12.6
Jun32° / 25°9716.912.23.0
Jul32° / 25°10016.912.23.2
Aug32° / 25°10918.612.13.0
Sep32° / 25°12920.6122.8
Oct32° / 25°18724.611.92.6
Nov31° / 24°31427.711.92.5
Dec30° / 24°28026.111.82.9

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

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11387
21387
31387
41486
51585
61684
71585
81585
91585
101585
111585
121387
131387
141387
151288
161288
171189
181189
191189
201090
21892
22892
23892
24892
25892
26892
27892
28892
29892
30892

Chance of precipitation in September

Any precipitation

Pelabuhan Klang gets around 129 mm of rain over 20.6 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 69% and peaks near 74% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
165
265
365
465
565
665
765
865
966
1066
1166
1267
1367
1468
1568
1669
1769
1870
1971
2071
2172
2272
2372
2472
2572
2673
2773
2873
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 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
17921
27921
37921
47822
57822
67723
77723
87624
97624
107525
117426
127426
137327
147327
157228
167228
177129
187030
197030
206931
216931
226931
236931
246931
256931
266931
277030
287030
297030
307129

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 7:12 AM to 7:04 AM, and sunset from 7:16 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.17:127:16
212.17:127:15
312.17:127:15
412.07:127:15
512.07:117:14
612.07:117:14
712.07:117:13
812.07:117:13
912.07:107:12
1012.07:107:12
1112.07:107:12
1212.07:097:11
1312.07:097:11
1412.07:097:10
1512.07:097:10
1612.07:087:09
1712.07:087:09
1812.07:087:08
1912.07:077:08
2012.07:077:07
2112.07:077:07
2212.07:077:07
2312.07:067:06
2412.07:067:06
2512.07:067:05
2612.07:057:05
2712.07:057:04
2812.07:057:04
2912.07:057:03
3012.07:047:03

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.51 kWh/m².

For context, solar energy here swings from a low near 4.67 kWh/m² to a high of 6.06 kWh/m² in March across the year — September's 5.51 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Pelabuhan Klang

In seasonPeak

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

Pelabuhan Klang 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 Pelabuhan Klang?

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

2.8
Sightseeing
7th-best month of the year
4.5
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Pelabuhan Klang.

What to pack for Pelabuhan Klang in September

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

In September, Pelabuhan Klang sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Pelabuhan Klang 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 14 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 Pelabuhan Klang 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 Pelabuhan Klang peaks around March 18 at about 13 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 18UV 13Jul 12UV 10
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug12Extreme
Sep14Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Pelabuhan Klang 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 Pelabuhan Klang is worst in September — around 38 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (November, 23 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 1538 µg/m³Nov 2224 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb34Moderate
Mar33Moderate
Apr31Moderate
May30Moderate
Jun29Moderate
Jul34Moderate
Aug34Moderate
Sep38Poor
Oct34Moderate
Nov23Moderate
Dec25Moderate
Location & terrain

Where is Pelabuhan Klang?

Pelabuhan Klang sits at 3.0°N, 101.4°E, 6 m above sea level, in Malaysia. The nearest listed city is Pandamaran, 3.0 km away.

Topography around Pelabuhan Klang

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

Within 3 km, the terrain around Pelabuhan Klang has only modest variations in elevation — a maximum elevation change of 20 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 101 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,816 m.

The land around Pelabuhan Klang is covered by artificial surfaces (42%) and water (21%) within 3 km, trees (33%) and artificial surfaces (28%) within 16 km, and water (47%) and trees (42%) within 80 km.

3 km
20 m
16 km
101 m
80 km
1,816 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
September weather nearby: Pandamaran 3.0 km · Klang 7.0 km · Bandar Bukit Raja 11 km · Teluk Panglima Garang 13 km · Setia Alam 13 km · Kapar 15 km · Jenjarum 18 km · Shah Alam 18 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 Pelabuhan Klang (2.9996°, 101.3929°, elevation 6 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).