Giá Rai in Fall

In fall (September, October and November), Giá Rai sees average daytime highs around 30°C and overnight lows near 25°C, with 800 mm of rain over about 78 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.

Across fall, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 6% of the time across fall, and the air most often feels miserable.

Fall is Giá Rai's 3rd-best season to visit on our travel score. Giá Rai has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Giá Rai's year-round climate.

Avg daytime high
30°C
3rd-warmest season
Avg overnight low
25°C
Rainfall
800 mm
78 wet days
Avg wind
11 km/h
Travel score
3.1
3rd-best season
Months
Sep · Oct · Nov

Temperature in Giá Rai in Fall

Average highAverage lowShaded bands: 10–90% of days

Across fall, daytime highs hold fairly steady around 30°C.

A typical fall day in Giá Rai reaches about 30°C and drops to 25°C overnight. The warmest of the three months is September, the coolest November.

20°25°30°35°SepOctNov

How fall really feels in Giá Rai

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
heat index over the day's high
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.

Giá Rai 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
Jan29° / 24°254.411.56.0
Feb30° / 24°12211.76.0
Mar31° / 25°426.411.94.9
Apr32° / 26°8714.612.23.6
May32° / 27°22326.912.42.5
Jun31° / 26°2602812.52.5
Jul30° / 26°26629.612.52.6
Aug30° / 26°25029.512.32.6
Sep30° / 25°29028.612.12.6
Oct30° / 25°33028.711.82.8
Nov30° / 25°18120.511.63.8
Dec29° / 24°9311.411.55.1

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Giá Rai gets around 800 mm of rain over 78 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 11 km/h across fall.

051015SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 12 min in early September to 11 h 30 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 4.4 kWh/m².

024SepOctNov
Planning a trip in fall

Hazard calendar for Giá Rai

In seasonPeak

In fall, Giá Rai overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.

Giá Rai sits in the Pacific typhoon belt; the season peaks July–October.

Giá Rai's rainy season runs May–November, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is fall a good time to visit Giá Rai?

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.

3.1
Sightseeing
3rd-best month of the year
4.2
Beach & pool
3rd-best month of the year

fall is a weaker month for outdoor sightseeing in Giá Rai.

What to pack for Giá Rai in Fall

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

In fall, Giá Rai sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 78 days see rain.

light clothesrain gearsun protection

Sea temperature near Giá Rai in Fall

The nearest coast averages about 29°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 km away) is warmest in May at about 30°C and coldest in January near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar28Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Giá Rai in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Giá Rai peaks around March 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 22UV 13Dec 15UV 10
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov10Extreme
Dec10Very high

Air quality in Giá Rai 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 Giá Rai is worst in December — around 25 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (May, 15 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateDec 1524 µg/m³May 1115 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb16Moderate
Mar15Moderate
Apr15Moderate
May15Moderate
Jun17Moderate
Jul19Moderate
Aug17Moderate
Sep19Moderate
Oct22Moderate
Nov21Moderate
Dec25Moderate
Location & terrain

Where is Giá Rai?

Giá Rai sits at 9.2°N, 105.5°E, 4 m above sea level, in Vietnam. The nearest listed city is Ấp Hô Phòng, 4.0 km away.

Topography around Giá Rai

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

Within 3 km, the terrain around Giá Rai has only modest variations in elevation — a maximum elevation change of 6 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 12 m; within 80 km, only modest variations in elevation — a maximum elevation change of 23 m.

The land around Giá Rai is covered by cropland (46%) and water (22%) within 3 km, water (41%) and cropland (39%) within 16 km, and water (46%) and cropland (35%) within 80 km.

3 km
6 m
16 km
12 m
80 km
23 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
Fall weather nearby: Ấp Hô Phòng 4.0 km · Phong Thạnh 16 km · An Trạch 20 km · Gành Hào 23 km · Bạc Liêu 30 km · Cà Mau 34 km · Phú Lộc 38 km · Ngã Năm 40 km

Vietnam travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / F
220 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,066
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
59%
of population, 2024
Homicide rate
1.5
per 100k, 2011
Road deaths
30.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 500
Religion
none 86%Catholic 6%Buddhist 6%Protestant 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 Giá Rai (9.2344°, 105.4583°, elevation 4 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.