Si Maha Phot in Fall

In fall (September, October and November), Si Maha Phot sees average daytime highs around 32°C and overnight lows near 24°C, with 480 mm of rain over about 50 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 20% of the time across fall, and the air most often feels miserable.

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

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

Temperature in Si Maha Phot 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 Si Maha Phot reaches about 32°C and drops to 24°C overnight. The warmest of the three months is November, the coolest November.

15°20°25°30°35°SepOctNov

How fall really feels in Si Maha Phot

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
91
20 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Si Maha Phot 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 21°102.211.35.1
Feb33° / 22°13311.54.2
Mar34° / 24°418.511.93.1
Apr35° / 26°7013.312.32.3
May34° / 26°2092412.62.1
Jun32° / 25°26726.512.82.2
Jul32° / 25°28127.612.72.3
Aug32° / 25°30028.212.52.3
Sep31° / 25°30827.312.12.4
Oct32° / 24°14818.811.73.4
Nov32° / 23°244.311.44.7
Dec31° / 21°51.211.25.5

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Si Maha Phot gets around 480 mm of rain over 50 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%SepOctNov

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.

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 6 km/h across fall.

051015SepOctNov

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.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 4.6 kWh/m².

024SepOctNov
Planning a trip in fall

Hazard calendar for Si Maha Phot

In seasonPeak

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

Si Maha Phot'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 Si Maha Phot?

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
5.4
Beach & pool
2nd-best month of the year

fall is a weaker month for outdoor sightseeing in Si Maha Phot.

What to pack for Si Maha Phot in Fall

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

In fall, Si Maha Phot sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 50 days see rain.

light clothesrain gearsun protection

UV index in Si Maha Phot 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 Si Maha Phot peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 9 (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 13Nov 23UV 9
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Si Maha Phot 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 Si Maha Phot is worst in February — around 60 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (December, 34 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorPoorFeb 1759 µg/m³Dec 1035 µg/m³
PM2.5 (µg/m³)Level
Jan53Poor
Feb60Unhealthy
Mar56Unhealthy
Apr48Poor
May40Poor
Jun35Moderate
Jul35Poor
Aug36Poor
Sep40Poor
Oct41Poor
Nov36Poor
Dec34Moderate
Location & terrain

Where is Si Maha Phot?

Si Maha Phot sits at 14.0°N, 101.5°E, 11 m above sea level, in Thailand. The nearest listed city is Prachantakham, 11 km away.

Topography around Si Maha Phot

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Si Maha Phot.

Within 3 km, the terrain around Si Maha Phot has only modest variations in elevation — a maximum elevation change of 21 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 44 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,362 m.

The land around Si Maha Phot is covered by cropland (42%) and trees (39%) within 3 km, cropland (44%) and trees (36%) within 16 km, and trees (59%) and cropland (30%) within 80 km.

3 km
21 m
16 km
44 m
80 km
1,362 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Prachantakham 11 km · Si Mahosot 15 km · Prachin Buri Town 18 km · Prachin Buri 18 km · Thambon Na Mueang 18 km · Ban Phra 20 km · Kabin Buri 22 km · Phanom Sarakham 30 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 Si Maha Phot (13.9656°, 101.5135°, elevation 11 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.