Kertih weather in September

In September, Kertih sees average daytime highs of 28°C and overnight lows near 26°C, with 114 mm of rain across 21 wet days and about 12 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 10% 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 Kertih's 7th-clearest and 9th-windiest month. For the whole year in context, see Kertih's year-round climate.

Daytime high
28°
5th warmest
Overnight low
26°
7th coldest
Rainfall
114 mm
21 wet days
Daylight
12 hours
7:00 AM – 7:01 PM
Cloud cover
76%
7th clearest
Wind
12 km/h
9th windiest
Solar energy
5.73 kWh/m²
Travel score
4.2
out of 10

Kertih is town in Malaysia.

Density
95/km²
people per km²

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 28°C through the month.

A typical September day in Kertih reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 29°C. Set against its neighbours, September runs on par with August and on par with October.

24°26°28°30°32°151015202530
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252826
262826
272826
282826
292826
302826

How September really feels in Kertih

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.

Kertih weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 25°30423.411.84.4
Feb27° / 25°13217.311.95.1
Mar28° / 26°16219.3125.0
Apr28° / 27°13521.612.14.1
May29° / 27°12722.612.23.9
Jun29° / 27°9319.212.34.2
Jul28° / 27°9520.312.24.3
Aug28° / 26°9519.812.14.3
Sep28° / 26°11421124.2
Oct28° / 26°21626.211.93.7
Nov27° / 26°45728.111.83.5
Dec27° / 25°57226.111.73.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12476
22476
32575
42575
52575
62575
72575
82575
92575
102575
112575
122476
132476
142476
152476
162377
172377
182377
192377
202377
212377
222278
232278
242179
252179
262179
272080
282080
292080
301981

Chance of precipitation in September

Any precipitation

Kertih gets around 114 mm of rain over 21 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 70% and peaks near 78% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
169
269
369
468
568
667
767
866
966
1066
1166
1266
1366
1466
1566
1667
1768
1868
1969
2070
2171
2272
2373
2474
2575
2675
2776
2877
2977
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 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
15644
25743
35842
46040
56139
66238
76337
86337
96436
106436
116436
126436
136436
146436
156436
166436
176337
186337
196337
206238
216238
226238
236238
246238
256238
266238
276337
286337
296436
306535

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812calm
1912calm
2012calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2710calm
2810calm
2910calm
3010calm

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 7:03 AM to 6:57 AM, and sunset from 7:09 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.17:037:09
212.17:037:08
312.17:037:08
412.17:037:07
512.17:027:07
612.17:027:06
712.17:027:06
812.17:027:05
912.17:027:05
1012.07:017:04
1112.07:017:04
1212.07:017:03
1312.07:017:03
1412.07:007:02
1512.07:007:02
1612.07:007:01
1712.07:007:01
1812.06:597:00
1912.06:597:00
2012.06:596:59
2112.06:596:59
2212.06:586:58
2312.06:586:58
2412.06:586:57
2512.06:586:57
2612.06:576:56
2712.06:576:56
2812.06:576:55
2912.06:576:55
3012.06:576:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.73 kWh/m².

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 6 kWh/m² in April across the year — September's 5.73 kWh/m² sits near the top of that range.

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
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
Planning a trip in September

Hazard calendar for Kertih

In seasonPeak

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

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

Kertih's monsoon runs November–January, when most of the year's rain falls.

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

Is September a good time to visit Kertih?

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

4.2
Sightseeing
6th-best month of the year
4.9
Beach & pool
8th-best month of the year

September is a reasonable time to visit Kertih for sightseeing.

What to pack for Kertih in September

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

In September, Kertih sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Kertih in September

The nearest coast averages about 29°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 23 km away) is warmest in May at about 30°C and coldest in January near 27°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
Jan27Warm
Feb27Warm
Mar28Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Kertih 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 Kertih peaks around February 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 21UV 14Jun 21UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun10Very high
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Kertih 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 Kertih is worst in September — around 27 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateSep 1526 µg/m³Nov 2212 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar13Moderate
Apr14Moderate
May17Moderate
Jun18Moderate
Jul22Moderate
Aug22Moderate
Sep27Moderate
Oct20Moderate
Nov12Good
Dec12Moderate
Location & terrain

Where is Kertih?

Kertih sits at 4.5°N, 103.4°E, 5 m above sea level, in Malaysia. The nearest listed city is Paka, 14 km away.

Topography around Kertih

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

Within 3 km, the terrain around Kertih has significant variations in elevation — a maximum elevation change of 361 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 564 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,536 m.

The land around Kertih is covered by trees (50%) and water (30%) within 3 km, water (47%) and trees (45%) within 16 km, and trees (51%) and water (46%) within 80 km.

3 km
361 m
16 km
564 m
80 km
1,536 m
treesgrasslandartificial surfacesbare terrainwatermangroves
September weather nearby: Paka 14 km · Dungun 29 km · Cukai 30 km · Kuantan 80 km · Marang 81 km · Kuala Terengganu 97 km · Kuala Nerus 107 km · Pekan 115 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 Kertih (4.5141°, 103.4483°, elevation 5 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).