Bua Yai in Fall
In fall (September, October and November), Bua Yai sees average daytime highs around 32°C and overnight lows near 24°C, with 390 mm of rain over about 43 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 21% of the time across fall, and the air most often feels oppressive.
Fall is Bua Yai's 2nd-best season to visit on our travel score. For the whole year in context, see Bua Yai's year-round climate.
- Avg daytime high
- 32°C
- coldest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 390 mm
- 43 wet days
- Avg wind
- 9 km/h
- Travel score
- 3.8
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Bua Yai in Fall
Across fall, daytime highs hold fairly steady around 32°C.
A typical fall day in Bua Yai reaches about 32°C and drops to 24°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Bua Yai
Once humidity and wind are folded in, fall brings about 88 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Bua Yai weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 19° | 7 | 1.6 | 11.2 | 5.6 |
| Feb | 34° / 21° | 10 | 2.3 | 11.5 | 4.0 |
| Mar | 36° / 24° | 39 | 6.8 | 11.9 | 2.4 |
| Apr | 36° / 26° | 70 | 12.7 | 12.3 | 1.8 |
| May | 35° / 26° | 155 | 20.8 | 12.7 | 1.8 |
| Jun | 34° / 26° | 131 | 19.9 | 12.9 | 2.0 |
| Jul | 33° / 26° | 149 | 21.3 | 12.8 | 2.3 |
| Aug | 33° / 26° | 189 | 22.4 | 12.5 | 2.4 |
| Sep | 32° / 25° | 234 | 24.4 | 12.1 | 2.5 |
| Oct | 32° / 24° | 128 | 15 | 11.6 | 3.7 |
| Nov | 31° / 22° | 28 | 4 | 11.3 | 5.1 |
| Dec | 30° / 19° | 6 | 1.6 | 11.1 | 6.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 21% of the time across fall.
Chance of precipitation in Fall
Bua Yai gets around 390 mm of rain over 43 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 9 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 18 min in early September to 11 h 06 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.6 kWh/m².
Hazard calendar for Bua Yai
In fall, Bua Yai overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Bua Yai's monsoon runs May–October, when most of the year's rain falls.
Is fall a good time to visit Bua Yai?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in Bua Yai.
What to pack for Bua Yai in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Bua Yai sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 43 days see rain.
UV index in Bua Yai in Fall
Clear-sky midday UV across fall averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Bua Yai peaks around August 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 8 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 11 | 12 | 10 | 10 | 13 | 13 | 14 | 12 | 10 | 8 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 12 | Extreme |
| Apr | 10 | Extreme |
| May | 10 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 8 | Very high |
Air quality in Bua Yai in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Bua Yai is worst in March — around 50 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (June, 21 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 32 | 43 | 50 | 39 | 29 | 21 | 22 | 23 | 27 | 30 | 26 | 24 |
| Level | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 32 | Moderate |
| Feb | 43 | Poor |
| Mar | 50 | Poor |
| Apr | 39 | Poor |
| May | 29 | Moderate |
| Jun | 21 | Moderate |
| Jul | 22 | Moderate |
| Aug | 23 | Moderate |
| Sep | 27 | Moderate |
| Oct | 30 | Moderate |
| Nov | 26 | Moderate |
| Dec | 24 | Moderate |
Where is Bua Yai?
Bua Yai sits at 15.6°N, 102.4°E, 177 m above sea level, in Thailand. The nearest listed city is Non Sung, 49 km away.
Topography around Bua Yai
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bua Yai.
Within 3 km, the terrain around Bua Yai has only modest variations in elevation — a maximum elevation change of 30 m around an average of 171 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 83 m; within 80 km, large variations in elevation — a maximum elevation change of 793 m.
The land around Bua Yai is covered by cropland (50%) and trees (24%) within 3 km, cropland (83%) within 16 km, and cropland (82%) within 80 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
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 Bua Yai (15.5855°, 102.4259°, elevation 177 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.