Nakhon Sawan in Fall
In fall (September, October and November), Nakhon Sawan sees average daytime highs around 33°C and overnight lows near 25°C, with 439 mm of rain over about 48 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 33°C. The sky is clear or mostly clear about 25% of the time across fall, and the air most often feels miserable.
Fall is Nakhon Sawan's 2nd-best season to visit on our travel score. For the whole year in context, see Nakhon Sawan's year-round climate.
- Avg daytime high
- 33°C
- coldest season of the year
- Avg overnight low
- 25°C
- Rainfall
- 439 mm
- 48 wet days
- Avg wind
- 6 km/h
- Travel score
- 3.1
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Nakhon Sawan in Fall
Across fall, daytime highs hold fairly steady around 33°C.
A typical fall day in Nakhon Sawan reaches about 33°C and drops to 25°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Nakhon Sawan
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.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Nakhon Sawan 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 | 33° / 21° | 10 | 2 | 11.2 | 4.6 |
| Feb | 35° / 23° | 11 | 2 | 11.5 | 3.2 |
| Mar | 37° / 25° | 38 | 6.2 | 11.9 | 1.8 |
| Apr | 38° / 27° | 62 | 11.4 | 12.3 | 1.1 |
| May | 36° / 27° | 156 | 21 | 12.7 | 1.3 |
| Jun | 35° / 27° | 147 | 23.3 | 12.9 | 1.5 |
| Jul | 35° / 27° | 161 | 23.5 | 12.8 | 1.8 |
| Aug | 34° / 26° | 215 | 25.1 | 12.5 | 1.9 |
| Sep | 33° / 26° | 272 | 25.9 | 12.1 | 2.0 |
| Oct | 33° / 25° | 143 | 17.1 | 11.6 | 3.1 |
| Nov | 32° / 23° | 24 | 4.7 | 11.3 | 4.3 |
| Dec | 32° / 21° | 8 | 1.2 | 11.1 | 5.2 |
Cloud cover in Fall
The sky is clear or mostly clear about 25% of the time across fall.
Chance of precipitation in Fall
Nakhon Sawan gets around 439 mm of rain over 48 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
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 6 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 Nakhon Sawan
In fall, Nakhon Sawan overlaps its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.
Nakhon Sawan sits in the Pacific typhoon belt; the season peaks July–October.
Nakhon Sawan's monsoon runs May–October, when most of the year's rain falls.
Is fall a good time to visit Nakhon Sawan?
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 Nakhon Sawan.
What to pack for Nakhon Sawan in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Nakhon Sawan sees daytime highs around 33°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 48 days see rain.
UV index in Nakhon Sawan 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 Nakhon Sawan peaks around August 15 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 10 | 12 | 10 | 12 | 12 | 13 | 14 | 12 | 10 | 8 | 8 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 10 | Very high |
| Mar | 12 | Extreme |
| Apr | 10 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 13 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 8 | Very high |
Air quality in Nakhon Sawan 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 Nakhon Sawan is worst in March — around 41 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (June, 18 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Nakhon Sawan's WHO annual average of 28 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 37 | 39 | 41 | 34 | 25 | 18 | 18 | 19 | 22 | 26 | 27 | 32 |
| Level | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 37 | Poor |
| Feb | 39 | Poor |
| Mar | 41 | Poor |
| Apr | 34 | Moderate |
| May | 25 | Moderate |
| Jun | 18 | Moderate |
| Jul | 18 | Moderate |
| Aug | 19 | Moderate |
| Sep | 22 | Moderate |
| Oct | 26 | Moderate |
| Nov | 27 | Moderate |
| Dec | 32 | Moderate |
Where is Nakhon Sawan?
Nakhon Sawan sits at 15.7°N, 100.1°E, 31 m above sea level, in Thailand. The nearest listed city is Lat Yao, 38 km away.
Topography around Nakhon Sawan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nakhon Sawan.
Within 3 km, the terrain around Nakhon Sawan has only modest variations in elevation — a maximum elevation change of 150 m around an average of 31 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 194 m; within 80 km, large variations in elevation — a maximum elevation change of 756 m.
The land around Nakhon Sawan is covered by artificial surfaces (37%), trees (26%) and cropland (20%) within 3 km, cropland (61%) within 16 km, and cropland (85%) 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 Nakhon Sawan (15.7047°, 100.1372°, elevation 31 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.