Prakhon Chai weather in September

In September, Prakhon Chai sees average daytime highs of 31°C and overnight lows near 25°C, with 244 mm of rain across 25.4 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 2% of the time in September, and the air most often feels miserable.

Daylight stretches from about 12 h 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Prakhon Chai's 9th-clearest and 12th-windiest month. For the whole year in context, see Prakhon Chai's year-round climate.

Daytime high
31°
8th warmest
Overnight low
25°
7th coldest
Rainfall
244 mm
25.4 wet days
Daylight
12 h 06 min
5:59 AM – 6:04 PM
Cloud cover
88%
9th clearest
Wind
7 km/h
12th windiest
Solar energy
4.44 kWh/m²
Travel score
2.6
out of 10

Prakhon Chai is town municipality in Buri Ram province, Thailand.

Founded
1956

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 31°C through the month.

A typical September day in Prakhon Chai reaches about 31°C in the afternoon and slips back to 25°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, September runs about 1°C cooler than August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13225
23225
33225
43225
53225
63225
73225
83225
93225
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203125
213125
223125
233125
243124
253124
263124
273124
283124
293124
303124

How September really feels in Prakhon Chai

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.

Prakhon Chai weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 19°81.711.25.7
Feb33° / 21°132.611.54.3
Mar35° / 24°447.911.92.7
Apr35° / 25°811412.32.0
May34° / 26°16321.712.72.0
Jun33° / 26°13821.612.82.2
Jul33° / 25°14923.312.82.4
Aug32° / 25°18024.912.52.4
Sep31° / 25°24425.412.12.6
Oct31° / 24°1391711.73.8
Nov31° / 22°365.811.35.2
Dec30° / 19°91.911.26.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 6% of September, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1595
2595
3595
4595
5595
6595
7595
8595
9595
10595
11694
12694
13694
14793
15793
16793
17991
18991
19991
20991
211189
221189
231189
241288
251387
261387
271486
281486
291585
301585

Chance of precipitation in September

Any precipitation

Prakhon Chai gets around 244 mm of rain over 25.4 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 84% and peaks near 85% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
185
285
385
485
585
685
785
885
985
1085
1185
1284
1384
1484
1584
1684
1784
1884
1984
2084
2184
2284
2384
2484
2584
2683
2783
2882
2982
3081

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
104951
204951
304951
405050
505050
605050
704951
804951
904852
1004852
1104753
1204753
1304654
1404654
1504555
1604555
1704456
1804456
1914455
2014356
2114356
2214356
2314356
2414455
2514455
2614455
2714554
2824652
2924652
3024751

Wind in September

Winds average 7 km/h in September, the calmest month.

Across September, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 18 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over September. Sunrise moves from 5:59 AM to 6:00 AM, and sunset from 6:16 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:596:16
212.35:596:15
312.35:596:14
412.25:596:14
512.25:596:13
612.25:596:12
712.25:596:11
812.25:596:11
912.25:596:10
1012.25:596:09
1112.25:596:08
1212.15:596:07
1312.15:596:07
1412.15:596:06
1512.15:596:05
1612.15:596:04
1712.15:596:03
1812.16:006:03
1912.06:006:02
2012.06:006:01
2112.06:006:00
2212.06:006:00
2312.06:005:59
2412.06:005:58
2512.06:005:57
2611.96:005:56
2711.96:005:56
2811.96:005:55
2911.96:005:54
3011.96:005:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.44 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.44 kWh/m² to a high of 6.05 kWh/m² in April across the year — September's 4.44 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.3Bright
214.3Bright
224.3Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
Planning a trip in September

Hazard calendar for Prakhon Chai

In seasonPeak

In September, Prakhon Chai sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Prakhon Chai's rainy season runs May–October, when most of the year's rain falls.

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

Is September a good time to visit Prakhon Chai?

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

2.6
Sightseeing
7th-best month of the year
4.0
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Prakhon Chai.

What to pack for Prakhon Chai in September

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

In September, Prakhon Chai sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. About 25 days see rain.

light clothesrain gear

UV index in Prakhon Chai in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Prakhon Chai peaks around August 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 13UV 14Nov 21UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep11Extreme
Oct11Extreme
Nov7Very high
Dec8Very high

Air quality in Prakhon Chai 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 Prakhon Chai is worst in March — around 39 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (June, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1239 µg/m³Jun 1818 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb37Poor
Mar39Poor
Apr30Moderate
May21Moderate
Jun18Moderate
Jul19Moderate
Aug19Moderate
Sep20Moderate
Oct22Moderate
Nov19Moderate
Dec18Moderate
Location & terrain

Where is Prakhon Chai?

Prakhon Chai sits at 14.6°N, 103.1°E, 166 m above sea level, in Thailand. The nearest listed city is Nang Rong, 36 km away.

Khon BuriOu Bei ChoanChok Chai

Topography around Prakhon Chai

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

Within 3 km, the terrain around Prakhon Chai has only modest variations in elevation — a maximum elevation change of 23 m around an average of 161 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 69 m; within 80 km, significant variations in elevation — a maximum elevation change of 559 m.

The land around Prakhon Chai is covered by cropland (74%) within 3 km, cropland (79%) within 16 km, and cropland (75%) and trees (21%) within 80 km.

3 km
23 m
16 km
69 m
80 km
559 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Nang Rong 36 km · Buri Ram 43 km · Surin 50 km · Samraong 64 km · Ban Huai Thalaeng 66 km · Khon Buri 95 km · Ou Bei Choan 101 km · Chok Chai 104 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 Prakhon Chai (14.6059°, 103.1208°, elevation 166 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).