Gành Hào weather in September

In September, Gành Hào sees average daytime highs of 29°C and overnight lows near 26°C, with 270 mm of rain across 28.1 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 3% of the time in September, and the air most often feels miserable.

Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Gành Hào's 12th-clearest and 8th-windiest month. For the whole year in context, see Gành Hào's year-round climate.

Daytime high
29°
6th warmest
Overnight low
26°
6th coldest
Rainfall
270 mm
28.1 wet days
Daylight
12 hours
5:51 AM – 5:54 PM
Cloud cover
86%
12th clearest
Wind
15 km/h
8th windiest
Solar energy
4.77 kWh/m²
Travel score
3.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Gành Hào reaches about 29°C in the afternoon and slips back to 26°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, September runs on par with August and on par with October.

25°28°30°33°35°151015202530
Avg high (°C)Avg low (°C)
12926
22926
32926
42926
52926
62926
72926
82926
92926
102926
112926
122926
132926
142926
152926
162926
172926
182926
192926
202926
212926
222926
232926
242926
252926
262926
272926
282926
292926
302926

How September really feels in Gành Hào

Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Gành Hào weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°264.111.57.2
Feb27° / 25°111.711.77.7
Mar28° / 26°386.311.96.5
Apr30° / 27°8413.212.24.9
May30° / 27°20325.912.43.1
Jun30° / 27°24227.412.52.9
Jul29° / 26°25029.312.53.0
Aug29° / 26°23428.912.33.0
Sep29° / 26°27028.112.13.0
Oct28° / 26°32328.711.83.2
Nov28° / 26°21021.311.64.2
Dec28° / 25°10812.211.55.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11288
21387
31288
41288
51288
61288
71288
81189
91189
101189
111189
121189
131189
141090
151090
161090
171189
181189
191189
201189
211189
221189
231189
241189
251189
261189
271189
281288
291288
301288

Chance of precipitation in September

Any precipitation

Gành Hào gets around 270 mm of rain over 28.1 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 94% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
192
292
392
493
593
693
793
894
994
1094
1195
1295
1395
1495
1595
1694
1794
1894
1994
2094
2193
2293
2393
2493
2594
2694
2794
2894
2994
3095

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the miserable band about 91% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1991
2991
31090
41090
51090
61090
7991
8991
9991
10991
11991
12991
13991
14991
15892
16892
17892
18892
19892
20892
21892
22892
23892
24892
25991
26991
271090
281090
291189
301189

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over September. Sunrise moves from 5:53 AM to 5:50 AM, and sunset from 6:03 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:536:03
212.25:536:03
312.25:536:02
412.25:536:02
512.15:526:01
612.15:526:00
712.15:526:00
812.15:525:59
912.15:525:58
1012.15:525:58
1112.15:525:57
1212.15:525:57
1312.15:525:56
1412.15:515:55
1512.15:515:55
1612.05:515:54
1712.05:515:53
1812.05:515:53
1912.05:515:52
2012.05:515:52
2112.05:515:51
2212.05:505:50
2312.05:505:50
2412.05:505:49
2512.05:505:49
2612.05:505:48
2712.05:505:47
2811.95:505:47
2911.95:505:46
3011.95:505:46

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.77 kWh/m².

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.31 kWh/m² in April across the year — September's 4.77 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in September

Hazard calendar for Gành Hào

In seasonPeak

In September, Gành Hào sits inside its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.

Gành Hào sits in the Pacific typhoon belt; the season peaks July–October.

Gành Hào'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 September a good time to visit Gành Hào?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.0
Sightseeing
9th-best month of the year
3.8
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Gành Hào.

What to pack for Gành Hào in September

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

In September, Gành Hào sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Gành Hào in September

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

The sea at the nearest coast (about 18 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 Gành Hào in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gành Hào 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 Gành Hào in September

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Gành Hào 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 Gành Hào?

Gành Hào sits at 9.0°N, 105.4°E, 3 m above sea level, in Vietnam. The nearest listed city is An Trạch, 5.0 km away.

Topography around Gành Hào

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

Within 3 km, the terrain around Gành Hào has only modest variations in elevation — a maximum elevation change of 7 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 19 m; within 80 km, only modest variations in elevation — a maximum elevation change of 22 m.

The land around Gành Hào is covered by water (66%) within 3 km, water (74%) within 16 km, and water (58%) and cropland (25%) within 80 km.

3 km
7 m
16 km
19 m
80 km
22 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: An Trạch 5.0 km · Ấp Hô Phòng 22 km · Giá Rai 23 km · Cà Mau 34 km · Phong Thạnh 34 km · Tam Giang 36 km · Bạc Liêu 45 km · Trần Văn Thời 49 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 Gành Hào (9.0283°, 105.4212°, elevation 3 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).