Wichian Buri weather in September

In September, Wichian Buri sees average daytime highs of 32°C and overnight lows near 25°C, with 274 mm of rain across 26.6 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 2nd-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 6% 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 Wichian Buri's 9th-clearest and 12th-windiest month. For the whole year in context, see Wichian Buri's year-round climate.

Daytime high
32°
8th warmest
Overnight low
25°
7th coldest
Rainfall
274 mm
26.6 wet days
Daylight
12 h 06 min
6:07 AM – 6:12 PM
Cloud cover
84%
9th clearest
Wind
5 km/h
12th windiest
Solar energy
4.46 kWh/m²
Travel score
2.4
out of 10

Wichian Buri is town in Phetchabun 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 32°C through the month.

A typical September day in Wichian Buri reaches about 32°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 30°C and 34°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)
13225
23225
33225
43225
53225
63225
73225
83225
93225
103225
113225
123225
133225
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225

How September really feels in Wichian Buri

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
30 feel dangerously hot (≥ 39°C)
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.

Wichian Buri weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 20°92.211.25.1
Feb34° / 22°173.511.53.8
Mar36° / 24°417.111.92.5
Apr36° / 26°7512.912.31.8
May35° / 26°19923.712.71.8
Jun33° / 26°21925.412.92.0
Jul32° / 25°24426.712.82.2
Aug32° / 25°28428.412.52.2
Sep32° / 25°27426.612.12.4
Oct32° / 24°12315.311.63.6
Nov32° / 22°25411.34.8
Dec31° / 20°71.111.15.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 8% of September, with mostly cloudy or overcast conditions the remaining 87%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2694
3595
4595
5793
6793
7793
8793
9793
10892
11991
12991
131090
141090
151288
161288
171387
181585
191684
201783
211882
221882
232080
242080
252179
262377
272377
282575
292674
302773

Chance of precipitation in September

Any precipitation

Wichian Buri gets around 274 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 89% and peaks near 93% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
192
292
393
493
593
693
793
892
992
1092
1192
1292
1392
1491
1591
1690
1790
1889
1988
2088
2187
2286
2385
2484
2583
2683
2782
2881
2980
3078

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
101090
201090
301090
401090
50991
60991
70991
80991
90991
100991
110991
120991
130991
140991
1501090
1601090
1701090
1801189
1901189
2001288
2101387
2201387
2301486
2411584
2511782
2611881
2711980
2812178
2912277
3012475

Wind in September

Winds average 5 km/h in September, the calmest month.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 6:06 AM to 6:09 AM, and sunset from 6:25 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:066:25
212.36:066:24
312.36:066:23
412.36:066:22
512.36:066:21
612.26:066:21
712.26:076:20
812.26:076:19
912.26:076:18
1012.26:076:17
1112.26:076:17
1212.16:076:16
1312.16:076:15
1412.16:076:14
1512.16:076:13
1612.16:076:12
1712.16:076:12
1812.16:076:11
1912.06:086:10
2012.06:086:09
2112.06:086:08
2212.06:086:08
2312.06:086:07
2412.06:086:06
2512.06:086:05
2611.96:086:04
2711.96:086:04
2811.96:086:03
2911.96:086:02
3011.96:096:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.46 kWh/m².

For context, solar energy here swings from a low near 4.42 kWh/m² to a high of 6.25 kWh/m² in April across the year — September's 4.46 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Hazard calendar for Wichian Buri

In seasonPeak

In September, Wichian Buri sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Wichian Buri's monsoon runs May–September, when most of the year's rain falls.

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

Is September a good time to visit Wichian Buri?

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

2.4
Sightseeing
7th-best month of the year
3.8
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Wichian Buri.

What to pack for Wichian Buri in September

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

In September, Wichian Buri sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

UV index in Wichian Buri in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Wichian Buri peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 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 14UV 13Dec 12UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr10Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Wichian Buri 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 Wichian Buri is worst in March — around 44 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (November, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1544 µg/m³Nov 2020 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb40Poor
Mar44Poor
Apr37Poor
May27Moderate
Jun20Moderate
Jul21Moderate
Aug21Moderate
Sep22Moderate
Oct23Moderate
Nov20Moderate
Dec21Moderate
Location & terrain

Where is Wichian Buri?

Wichian Buri sits at 15.7°N, 101.1°E, 72 m above sea level, in Thailand. The nearest listed city is Nong Phai, 37 km away.

Taphan Hin

Topography around Wichian Buri

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

Within 3 km, the terrain around Wichian Buri has only modest variations in elevation — a maximum elevation change of 28 m around an average of 72 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 410 m; within 80 km, large variations in elevation — a maximum elevation change of 1,087 m.

The land around Wichian Buri is covered by cropland (67%) within 3 km, cropland (78%) within 16 km, and cropland (68%) and trees (28%) within 80 km.

3 km
28 m
16 km
410 m
80 km
1,087 m
treesgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Nong Phai 37 km · Chai Badan 51 km · Chon Daen 65 km · Thap Khlo 78 km · Phetchabun 85 km · Dan Khun Thot 87 km · Bang Mun Nak 88 km · Taphan Hin 96 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 Wichian Buri (15.6578°, 101.106°, elevation 72 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).