Su-ngai Kolok weather in September

In September, Su-ngai Kolok sees average daytime highs of 32°C and overnight lows near 24°C, with 248 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 miserable.

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 Su-ngai Kolok's 9th-clearest and 9th-windiest month. For the whole year in context, see Su-ngai Kolok's year-round climate.

Daytime high
32°
6th warmest
Overnight low
24°
7th coldest
Rainfall
248 mm
26.6 wet days
Daylight
12 hours
6:05 AM – 6:07 PM
Cloud cover
83%
9th clearest
Wind
4 km/h
9th windiest
Solar energy
5.6 kWh/m²
Travel score
2.4
out of 10

Su-ngai Kolok is town in Narathiwat province, Thailand.

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 Su-ngai Kolok reaches about 32°C in the afternoon and slips back to 24°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
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224

How September really feels in Su-ngai Kolok

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.

Su-ngai Kolok 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°18020.911.74.0
Feb30° / 22°841411.84.3
Mar31° / 23°11715.9123.7
Apr33° / 24°12118.212.12.8
May33° / 25°18825.312.32.2
Jun32° / 24°18724.712.32.4
Jul32° / 24°19124.412.32.6
Aug32° / 24°21925.712.22.5
Sep32° / 24°24826.6122.4
Oct31° / 24°30528.611.92.5
Nov30° / 23°37627.611.72.9
Dec29° / 23°42025.911.73.4

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 9% of September, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11288
21288
31288
41288
51387
61387
71387
81486
91486
101387
111387
121486
131486
141486
151486
161486
171387
181288
191288
201288
211288
221189
231189
241189
251189
261090
271090
281090
291090
30991

Chance of precipitation in September

Any precipitation

Su-ngai Kolok gets around 248 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 89% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
188
288
388
488
589
689
789
889
989
1089
1189
1288
1388
1488
1588
1688
1788
1888
1988
2088
2188
2288
2388
2488
2588
2688
2788
2888
2989
3089

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the miserable band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
15248
25347
35347
45347
55347
65347
75248
85248
95248
105248
115149
125149
135149
145050
155050
164951
174852
184852
194852
204753
214753
224753
234753
244753
254654
264654
274654
284654
294654
304654

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 6:08 AM to 6:03 AM, and sunset from 6:15 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:086:15
212.16:086:15
312.16:086:14
412.16:086:14
512.16:086:13
612.16:076:13
712.16:076:12
812.16:076:12
912.16:076:11
1012.16:076:11
1112.16:066:10
1212.16:066:10
1312.06:066:09
1412.06:066:09
1512.06:066:08
1612.06:056:07
1712.06:056:07
1812.06:056:06
1912.06:056:06
2012.06:056:05
2112.06:046:05
2212.06:046:04
2312.06:046:04
2412.06:046:03
2512.06:046:03
2612.06:046:02
2712.06:036:02
2812.06:036:01
2912.06:036:01
3012.06:036:00

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.6 kWh/m².

For context, solar energy here swings from a low near 3.67 kWh/m² to a high of 6.14 kWh/m² in April across the year — September's 5.6 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
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.3Bright
Planning a trip in September

Hazard calendar for Su-ngai Kolok

In seasonPeak

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

Su-ngai Kolok sits in the Pacific typhoon belt; the season peaks July–October.

Su-ngai Kolok's rainy season runs July–December, 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 Su-ngai Kolok?

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

2.4
Sightseeing
10th-best month of the year
3.8
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Su-ngai Kolok.

What to pack for Su-ngai Kolok in September

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

In September, Su-ngai Kolok sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Su-ngai Kolok 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 42 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 Su-ngai Kolok 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 Su-ngai Kolok 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 Su-ngai Kolok 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 Su-ngai Kolok 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 Su-ngai Kolok?

Su-ngai Kolok sits at 6.0°N, 102.0°E, 19 m above sea level, in Thailand. The nearest listed city is Pasir Mas, 19 km away.

Topography around Su-ngai Kolok

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Su-ngai Kolok.

Within 3 km, the terrain around Su-ngai Kolok has only modest variations in elevation — a maximum elevation change of 26 m around an average of 15 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 700 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,859 m.

The land around Su-ngai Kolok is covered by trees (66%) and artificial surfaces (21%) within 3 km, trees (88%) within 16 km, and trees (69%) and water (25%) within 80 km.

3 km
26 m
16 km
700 m
80 km
1,859 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Pasir Mas 19 km · Tak Bai 27 km · Wakaf Baharu 28 km · Kampong Pangkal Kalong 30 km · Kampong Kadok 32 km · Kota Bharu 32 km · Tanah Merah 33 km · Peringat 35 km

Thailand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$8,057
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
4.8
per 100k, 2011
Road deaths
32.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 402
Religion
Buddhist 93%Muslim 5%Christian 1%other 1%

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 Su-ngai Kolok (6.0298°, 101.9659°, 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).