Chai Badan in Fall

In fall (September, October and November), Chai Badan sees average daytime highs around 32°C and overnight lows near 24°C, with 385 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 22% of the time across fall, and the air most often feels miserable.

Fall is Chai Badan's 2nd-best season to visit on our travel score. For the whole year in context, see Chai Badan's year-round climate.

Avg daytime high: 32°C; coldest season of the year
Avg overnight low: 24°C
Rainfall: 385 mm; 43 wet days
Avg wind: 8 km/h
Travel score: 3.5; 2nd-best season
Months: Sep · Oct · Nov

← Summer Chai Badan year-round climate Winter →

Spring Summer Fall Winter

Temperature in Chai Badan in Fall

Average highAverage lowShaded bands: 10–90% of days

Across fall, daytime highs hold fairly steady around 32°C.

A typical fall day in Chai Badan 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 Chai Badan

Once humidity and wind are folded in, fall brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C

25 feel dangerously hot (≥ 39°C)

Days feeling ≤ 0°C

wind chill below the day's low

The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Chai Badan 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	32° / 20°	7	1.8	11.2	4.9
Feb	34° / 22°	10	2	11.5	3.6
Mar	36° / 25°	38	5.8	11.9	2.4
Apr	37° / 26°	64	11.3	12.3	1.7
May	35° / 27°	123	18.6	12.7	1.8
Jun	34° / 26°	126	19.9	12.9	2.0
Jul	33° / 26°	154	22.1	12.8	2.3
Aug	32° / 25°	188	24.6	12.5	2.3
Sep	32° / 25°	230	24.2	12.1	2.5
Oct	32° / 24°	130	15.2	11.7	3.5
Nov	32° / 23°	25	4	11.3	4.6
Dec	31° / 21°	5	1.1	11.1	5.5

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time across fall.

Chance of precipitation in Fall

Any precipitation

Chai Badan gets around 385 mm of rain over 43 wet days across fall. The line is the day-by-day chance of measurable precipitation.

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

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

Wind in Fall

Winds average 8 km/h across fall.

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 18 min in early September to 11 h 12 min by late November. The lit band spans sunrise to sunset each day.

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 4.7 kWh/m².

Planning a trip in fall

Hazard calendar for Chai Badan

In seasonPeak

In fall, Chai Badan overlaps its monsoon season. The full year is below, with each hazard's peak months called out.

Chai Badan's monsoon runs May–October, when most of the year's rain falls.

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is fall a good time to visit Chai Badan?

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.

3.5

Sightseeing

2nd-best month of the year

5.7

Beach & pool

2nd-best month of the year

fall is a weaker month for outdoor sightseeing in Chai Badan.

What to pack for Chai Badan in Fall

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

In fall, Chai Badan 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.

light clothesrain gearsun protection

UV index in Chai Badan in Fall

LowModerateHighVery highExtreme

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 Chai Badan peaks around August 14 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	11	10	12	13	13	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	11	Extreme
May	10	Extreme
Jun	12	Extreme
Jul	13	Extreme
Aug	13	Extreme
Sep	12	Extreme
Oct	10	Extreme
Nov	8	Very high
Dec	8	Very high

Air quality in Chai Badan in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in Chai Badan is worst in March — around 47 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (November, 23 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)	35	44	47	40	32	26	26	26	27	27	23	23
Level	Poor	Poor	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	35	Poor
Feb	44	Poor
Mar	47	Poor
Apr	40	Poor
May	32	Moderate
Jun	26	Moderate
Jul	26	Moderate
Aug	26	Moderate
Sep	27	Moderate
Oct	27	Moderate
Nov	23	Moderate
Dec	23	Moderate

Location & terrain

Where is Chai Badan?

Chai Badan sits at 15.2°N, 101.1°E, 44 m above sea level, in Thailand. The nearest listed city is Wichian Buri, 51 km away.

Topography around Chai Badan

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

Within 3 km, the terrain around Chai Badan has only modest variations in elevation — a maximum elevation change of 104 m around an average of 51 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 554 m; within 80 km, large variations in elevation — a maximum elevation change of 1,074 m.

The land around Chai Badan is covered by cropland (43%) and trees (31%) within 3 km, cropland (64%) and trees (28%) within 16 km, and cropland (68%) and trees (27%) within 80 km.

3 km

104 m

cropland 43%

16 km

554 m

cropland 64%

80 km

1,074 m

cropland 68%

treesgrasslandcroplandartificial surfaceswater

← Summer Chai Badan year-round climate Winter →

Fall weather nearby: Wichian Buri 51 km · Pak Chong 63 km · Phra Phutthabat 64 km · Lop Buri 68 km · Dan Khun Thot 68 km · Kaeng Khoi 70 km · Amphoe Sikhiu 70 km · Saraburi 78 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 Chai Badan (15.2°, 101.1333°, elevation 44 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.