Betong weather in September

In September, Betong sees average daytime highs of 29°C and overnight lows near 21°C, with 264 mm of rain across 26.4 wet days and about 12 hours of daylight. It is the 9th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°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 Betong's 10th-clearest and 7th-windiest month. For the whole year in context, see Betong's year-round climate.

Daytime high
29°
9th warmest
Overnight low
21°
2nd coldest
Rainfall
264 mm
26.4 wet days
Daylight
12 hours
6:09 AM – 6:11 PM
Cloud cover
89%
10th clearest
Wind
4 km/h
7th windiest
Solar energy
4.98 kWh/m²
Travel score
3.0
out of 10

Betong is town in Yala province, Thailand.

Density
380/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 29°C through the month.

A typical September day in Betong reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°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)
13021
23021
33021
43021
53021
63021
72921
82921
92921
102921
112921
122921
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
282921
292921
302921

How September really feels in Betong

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.

Betong weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°9211.611.74.5
Feb32° / 21°779.611.83.8
Mar32° / 21°17817.8123.0
Apr31° / 22°27025.312.12.7
May31° / 22°24327.512.32.7
Jun30° / 22°17422.312.33.2
Jul30° / 21°18822.312.33.4
Aug30° / 21°21323.812.23.2
Sep29° / 21°26426.4123.0
Oct29° / 21°34729.111.92.9
Nov29° / 21°30426.311.73.2
Dec29° / 21°19818.811.74.2

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 4% of September, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1595
2595
3595
4595
5595
6595
7595
8595
9595
10595
11595
12595
13595
14595
15595
16595
17595
18595
19595
20595
21595
22496
23496
24496
25496
26496
27397
28397
29397
30298

Chance of precipitation in September

Any precipitation

Betong gets around 264 mm of rain over 26.4 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 93% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
185
286
386
486
587
687
787
888
988
1088
1188
1288
1387
1487
1587
1687
1787
1887
1987
2087
2187
2288
2388
2489
2589
2690
2791
2891
2992
3093

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 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
1793
2793
3793
4793
5793
6793
7793
8793
9892
10892
11892
12892
13892
14892
15892
16892
17892
18793
19793
20793
21694
22694
23595
24595
25496
26496
27496
28397
29397
30397

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 6:12 AM to 6:06 AM, and sunset from 6:19 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:126:19
212.16:126:18
312.16:126:18
412.16:126:17
512.16:116:17
612.16:116:16
712.16:116:16
812.16:116:15
912.16:116:15
1012.16:106:14
1112.16:106:14
1212.16:106:13
1312.06:106:13
1412.06:106:12
1512.06:096:12
1612.06:096:11
1712.06:096:10
1812.06:096:10
1912.06:086:09
2012.06:086:09
2112.06:086:08
2212.06:086:08
2312.06:086:07
2412.06:076:07
2512.06:076:06
2612.06:076:06
2712.06:076:05
2812.06:076:05
2912.06:076:04
3012.06:066:04

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.98 kWh/m².

For context, solar energy here swings from a low near 4.1 kWh/m² to a high of 5.81 kWh/m² in March across the year — September's 4.98 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
Planning a trip in September

Is September a good time to visit Betong?

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

3.0
Sightseeing
8th-best month of the year
4.0
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Betong.

What to pack for Betong in September

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

In September, Betong sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in Betong 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 Betong peaks around February 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 20UV 14Dec 11UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep14Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Betong 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 Betong is worst in April — around 22 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1422 µg/m³Dec 1316 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb17Moderate
Mar20Moderate
Apr22Moderate
May19Moderate
Jun21Moderate
Jul22Moderate
Aug20Moderate
Sep21Moderate
Oct21Moderate
Nov17Moderate
Dec16Moderate
Location & terrain

Where is Betong?

Betong sits at 5.8°N, 101.1°E, 269 m above sea level, in Thailand. The nearest listed city is Pulai, 24 km away.

Topography around Betong

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

Within 3 km, the terrain around Betong has only modest variations in elevation — a maximum elevation change of 241 m around an average of 315 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,170 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,029 m.

The land around Betong is covered by trees (79%) within 3 km, trees (92%) within 16 km, and trees (92%) within 80 km.

3 km
241 m
16 km
1,170 m
80 km
2,029 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Pulai 24 km · Kampung Kupang 29 km · Sik 36 km · Gerik 40 km · Teloi Kanan 46 km · Kuala Ketil 51 km · Kampong Sidam 62 km · Sungai Lalang 62 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 Betong (5.7743°, 101.0723°, elevation 269 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. 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).