Hulu Yam Lama weather in September

In September, Hulu Yam Lama sees average daytime highs of 30°C and overnight lows near 22°C, with 180 mm of rain across 22.8 wet days and about 12 hours of daylight. It is the 6th-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 Hulu Yam Lama's 9th-clearest and 6th-windiest month. For the whole year in context, see Hulu Yam Lama's year-round climate.

Daytime high
30°
6th warmest
Overnight low
22°
4th coldest
Rainfall
180 mm
22.8 wet days
Daylight
12 hours
7:07 AM – 7:08 PM
Cloud cover
87%
9th clearest
Wind
4 km/h
6th windiest
Solar energy
5.08 kWh/m²
Travel score
3.4
out of 10

Hulu Yam Lama 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 30°C through the month.

A typical September day in Hulu Yam Lama reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°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)
12922
22922
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022

How September really feels in Hulu Yam Lama

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.

Hulu Yam Lama weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°17819.911.84.0
Feb30° / 22°13716.611.93.7
Mar31° / 22°22123.5123.1
Apr30° / 22°26026.912.12.8
May30° / 22°21024.712.23.1
Jun30° / 22°13920.112.23.6
Jul30° / 22°13420.312.23.8
Aug30° / 22°15921.612.13.6
Sep30° / 22°18022.8123.4
Oct29° / 22°26925.111.93.2
Nov29° / 22°33327.511.83.0
Dec29° / 22°24924.711.83.5

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 5% of September, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1892
2892
3892
4892
5892
6892
7991
8991
9892
10892
11892
12892
13892
14892
15892
16892
17793
18793
19694
20694
21694
22694
23595
24595
25595
26595
27595
28496
29496
30496

Chance of precipitation in September

Any precipitation

Hulu Yam Lama gets around 180 mm of rain over 22.8 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 78% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
176
276
376
475
575
675
775
875
975
1075
1176
1276
1376
1476
1576
1677
1777
1877
1977
2078
2178
2278
2378
2478
2578
2678
2778
2878
2978
3078

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 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
1991
21090
31189
41189
51288
61288
71387
81387
91387
101486
111486
121486
131486
141486
151387
161387
171288
181288
191189
201189
211090
221090
23991
24991
25991
26892
27892
28892
29892
30892

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 4 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
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
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 7:11 AM to 7:04 AM, and sunset from 7:15 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.17:117:15
212.17:117:15
312.17:117:14
412.17:107:14
512.17:107:13
612.17:107:13
712.07:107:12
812.07:097:12
912.07:097:12
1012.07:097:11
1112.07:097:11
1212.07:087:10
1312.07:087:10
1412.07:087:09
1512.07:077:09
1612.07:077:08
1712.07:077:08
1812.07:077:07
1912.07:067:07
2012.07:067:06
2112.07:067:06
2212.07:067:06
2312.07:057:05
2412.07:057:05
2512.07:057:04
2612.07:057:04
2712.07:047:03
2812.07:047:03
2912.07:047:02
3012.07:047:02

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.08 kWh/m².

For context, solar energy here swings from a low near 4.11 kWh/m² to a high of 5.56 kWh/m² in March across the year — September's 5.08 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Hazard calendar for Hulu Yam Lama

In seasonPeak

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

Hulu Yam Lama 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 Hulu Yam Lama?

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

September is a weaker month for outdoor sightseeing in Hulu Yam Lama.

What to pack for Hulu Yam Lama in September

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

In September, Hulu Yam Lama sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Hulu Yam Lama 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 47 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
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Hulu Yam Lama 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 Hulu Yam Lama peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 18UV 15Jul 10UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Hulu Yam Lama 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 Hulu Yam Lama is worst in September — around 33 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 19 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1633 µg/m³Dec 1919 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb20Moderate
Mar25Moderate
Apr26Moderate
May25Moderate
Jun26Moderate
Jul29Moderate
Aug29Moderate
Sep33Moderate
Oct29Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is Hulu Yam Lama?

Hulu Yam Lama sits at 3.5°N, 101.6°E, 41 m above sea level, in Malaysia. The nearest listed city is Bukit Beruntung, 10 km away.

Topography around Hulu Yam Lama

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

Within 3 km, the terrain around Hulu Yam Lama has only modest variations in elevation — a maximum elevation change of 131 m around an average of 57 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,817 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,155 m.

The land around Hulu Yam Lama is covered by trees (71%) within 3 km, trees (90%) within 16 km, and trees (78%) within 80 km.

3 km
131 m
16 km
1,817 m
80 km
2,155 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
September weather nearby: Bukit Beruntung 10 km · Serendah 11 km · Kuala Kubu Baharu 12 km · Rawang 16 km · Bandar Country Homes 19 km · Selayang Baru Utara 22 km · Ladang Seri Kundang 23 km · Kuang 24 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 Hulu Yam Lama (3.4537°, 101.6413°, elevation 41 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).