Tanah Merah weather in September

In September, Tanah Merah sees average daytime highs of 32°C and overnight lows near 23°C, with 255 mm of rain across 26.6 wet days and about 12 hours of daylight. It is the 6th-warmest and 4th-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 Tanah Merah's 9th-clearest and 6th-windiest month. For the whole year in context, see Tanah Merah's year-round climate.

Daytime high
32°
6th warmest
Overnight low
23°
7th coldest
Rainfall
255 mm
26.6 wet days
Daylight
12 hours
7:05 AM – 7:07 PM
Cloud cover
83%
9th clearest
Wind
4 km/h
6th windiest
Solar energy
5.62 kWh/m²
Travel score
2.4
out of 10

Tanah Merah 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 32°C through the month.

A typical September day in Tanah Merah reaches about 32°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13224
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193224
203224
213224
223224
233224
243223
253223
263223
273223
283223
293223
303223

How September really feels in Tanah Merah

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.

Tanah Merah weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°19519.711.74.1
Feb30° / 22°8713.711.84.3
Mar31° / 23°12715.4123.7
Apr33° / 24°14019.112.12.8
May33° / 24°1992512.32.3
Jun32° / 24°18623.912.32.5
Jul32° / 24°18623.612.32.6
Aug32° / 24°21624.712.22.5
Sep32° / 23°25526.6122.4
Oct31° / 23°32728.511.92.5
Nov29° / 23°38727.611.72.9
Dec29° / 23°40925.711.73.5

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 (%)
11387
21387
31387
41387
51387
61387
71486
81486
91486
101486
111486
121486
131486
141486
151486
161585
171585
181486
191486
201486
211387
221387
231387
241387
251189
261189
271189
281189
291090
30991

Chance of precipitation in September

Any precipitation

Tanah Merah gets around 255 mm of rain over 26.6 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 88% and peaks near 91% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
188
288
388
488
588
688
788
888
988
1088
1188
1288
1388
1487
1587
1687
1787
1887
1988
2088
2188
2289
2389
2489
2589
2690
2790
2891
2991
3091

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
16040
26040
36040
46040
56040
66040
76040
85941
95941
105842
115842
125842
135743
145743
155644
165644
175545
185545
195545
205446
215446
225545
235545
245545
255644
265644
275644
285743
295743
305842

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 7:08 AM to 7:02 AM, and sunset from 7:14 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.17:087:14
212.17:087:14
312.17:077:13
412.17:077:13
512.17:077:12
612.17:077:12
712.17:077:11
812.17:067:11
912.17:067:10
1012.17:067:10
1112.17:067:09
1212.17:067:09
1312.07:057:08
1412.07:057:08
1512.07:057:07
1612.07:057:07
1712.07:057:06
1812.07:047:06
1912.07:047:05
2012.07:047:05
2112.07:047:04
2212.07:047:03
2312.07:037:03
2412.07:037:02
2512.07:037:02
2612.07:037:01
2712.07:037:01
2812.07:027:00
2912.07:027:00
3012.07:026:59

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.62 kWh/m².

For context, solar energy here swings from a low near 3.72 kWh/m² to a high of 6.16 kWh/m² in April across the year — September's 5.62 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for Tanah Merah

In seasonPeak

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

Tanah Merah sits in the Pacific typhoon belt; the season peaks July–October.

Tanah Merah's rainy season runs May–January, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Tanah Merah?

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

2.4
Sightseeing
11th-best month of the year
3.8
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Tanah Merah.

What to pack for Tanah Merah in September

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

In September, Tanah Merah sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Tanah Merah 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 44 km away) is warmest in May at about 30°C and coldest in January 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
Jan28Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Tanah Merah 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 Tanah Merah peaks around February 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 21UV 14Nov 22UV 11
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar14Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep14Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Tanah Merah 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 Tanah Merah is worst in October — around 31 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 930 µg/m³Feb 1223 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb23Moderate
Mar25Moderate
Apr28Moderate
May28Moderate
Jun28Moderate
Jul30Moderate
Aug28Moderate
Sep30Moderate
Oct31Moderate
Nov26Moderate
Dec24Moderate
Location & terrain

Where is Tanah Merah?

Tanah Merah sits at 5.8°N, 102.2°E, 19 m above sea level, in Malaysia. The nearest listed city is Kampong Pangkal Kalong, 15 km away.

Topography around Tanah Merah

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

Within 3 km, the terrain around Tanah Merah has only modest variations in elevation — a maximum elevation change of 90 m around an average of 24 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 708 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,859 m.

The land around Tanah Merah is covered by trees (65%) within 3 km, trees (85%) within 16 km, and trees (71%) and water (23%) within 80 km.

3 km
90 m
16 km
708 m
80 km
1,859 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Kampong Pangkal Kalong 15 km · Kampong Kadok 25 km · Pasir Mas 28 km · Pasir Puteh 28 km · Peringat 30 km · Kuala Krai 30 km · Su-ngai Kolok 33 km · Wakaf Baharu 36 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 Tanah Merah (5.8°, 102.15°, elevation 19 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).