Chum Phae in Fall
In fall (September, October and November), Chum Phae sees average daytime highs around 30°C and overnight lows near 22°C, with 356 mm of rain over about 42 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 31°C in early September to 29°C by late November. The sky is clear or mostly clear about 25% of the time across fall, and the air most often feels oppressive.
Fall is Chum Phae's 2nd-best season to visit on our travel score. For the whole year in context, see Chum Phae's year-round climate.
- Avg daytime high
- 30°C
- 3rd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 356 mm
- 42 wet days
- Avg wind
- 5 km/h
- Travel score
- 4.6
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Chum Phae in Fall
Over the season highs ease from about 31°C in early September to 29°C by late November.
A typical fall day in Chum Phae reaches about 30°C and drops to 22°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Chum Phae
Once humidity and wind are folded in, fall brings about 54 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.
Chum Phae 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 | 29° / 17° | 10 | 2.1 | 11.1 | 7.0 |
| Feb | 31° / 19° | 14 | 3.1 | 11.4 | 5.4 |
| Mar | 33° / 22° | 41 | 7.8 | 11.9 | 3.7 |
| Apr | 34° / 24° | 79 | 13.9 | 12.4 | 2.6 |
| May | 33° / 25° | 156 | 22.3 | 12.8 | 2.4 |
| Jun | 33° / 25° | 127 | 19.2 | 13 | 2.6 |
| Jul | 32° / 25° | 149 | 21.7 | 12.9 | 2.7 |
| Aug | 31° / 25° | 191 | 23.8 | 12.6 | 2.7 |
| Sep | 31° / 24° | 224 | 24 | 12.1 | 2.9 |
| Oct | 30° / 23° | 110 | 14 | 11.6 | 4.5 |
| Nov | 29° / 20° | 22 | 3.8 | 11.2 | 6.4 |
| Dec | 28° / 17° | 6 | 1 | 11 | 7.9 |
Cloud cover in Fall
The sky is clear or mostly clear about 25% of the time across fall.
Chance of precipitation in Fall
Chum Phae gets around 356 mm of rain over 42 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 5 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 Chum Phae
In fall, Chum Phae overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Chum Phae's monsoon runs May–October, when most of the year's rain falls.
Is fall a good time to visit Chum Phae?
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 reasonable time to visit Chum Phae for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Chum Phae in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Chum Phae sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 42 days see rain.
UV index in Chum Phae 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 Chum Phae peaks around August 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 | 11 | 13 | 13 | 14 | 12 | 10 | 9 | 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 | 11 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Chum Phae 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 Chum Phae is worst in March — around 51 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (June, 19 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) | 30 | 45 | 51 | 41 | 27 | 19 | 19 | 20 | 21 | 24 | 22 | 23 |
| Level | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 30 | Moderate |
| Feb | 45 | Poor |
| Mar | 51 | Poor |
| Apr | 41 | Poor |
| May | 27 | Moderate |
| Jun | 19 | Moderate |
| Jul | 19 | Moderate |
| Aug | 20 | Moderate |
| Sep | 21 | Moderate |
| Oct | 24 | Moderate |
| Nov | 22 | Moderate |
| Dec | 23 | Moderate |
Where is Chum Phae?
Chum Phae sits at 16.5°N, 102.1°E, 227 m above sea level, in Thailand. The nearest listed city is Phu Khiao, 19 km away.
Topography around Chum Phae
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chum Phae.
Within 3 km, the terrain around Chum Phae has only modest variations in elevation — a maximum elevation change of 36 m around an average of 222 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 648 m; within 80 km, large variations in elevation — a maximum elevation change of 1,163 m.
The land around Chum Phae is covered by cropland (38%), trees (34%) and artificial surfaces (22%) within 3 km, cropland (67%) and trees (25%) within 16 km, and cropland (50%) and trees (43%) 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 Chum Phae (16.5443°, 102.0992°, elevation 227 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.