Ấp Bình Châu weather in September

In September, Ấp Bình Châu sees average daytime highs of 29°C and overnight lows near 26°C, with 275 mm of rain across 27.6 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 1st-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 4% 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 Ấp Bình Châu's 12th-clearest and 8th-windiest month. For the whole year in context, see Ấp Bình Châu's year-round climate.

Daytime high
29°
5th warmest
Overnight low
26°
7th coldest
Rainfall
275 mm
27.6 wet days
Daylight
12 h 06 min
5:42 AM – 5:46 PM
Cloud cover
85%
12th clearest
Wind
13 km/h
8th windiest
Solar energy
5.04 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 Ấp Bình Châu 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 28°C and 30°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°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 Ấp Bình Châu

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.

Ấp Bình Châu weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°202.111.57.5
Feb28° / 24°40.711.77.6
Mar29° / 25°112.311.96.7
Apr30° / 27°488.812.25.2
May30° / 27°20024.612.53.2
Jun30° / 26°26027.412.62.9
Jul29° / 26°25028.412.63.1
Aug29° / 26°24428.212.33.1
Sep29° / 26°27527.612.13.0
Oct29° / 26°24125.111.83.6
Nov29° / 26°11212.511.55.2
Dec28° / 25°627.111.46.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% 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 87%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11486
21387
31387
41288
51288
61288
71288
81288
91288
101288
111288
121288
131189
141189
151189
161189
171189
181288
191288
201288
211288
221288
231288
241387
251486
261486
271486
281486
291486
301486

Chance of precipitation in September

Any precipitation

Ấp Bình Châu gets around 275 mm of rain over 27.6 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 92% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
190
290
390
491
591
691
791
891
991
1092
1192
1292
1392
1492
1592
1692
1792
1892
1992
2093
2193
2293
2393
2493
2593
2693
2793
2893
2993
3092

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 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1298
2298
3298
4298
5298
6397
7397
8397
9397
10397
11397
12397
13496
14496
15496
16496
17496
18496
19496
20496
21496
22496
23496
24496
25496
26496
27496
28595
29595
30694

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2412light breeze
2512light breeze
2612light breeze
2712calm
2812calm
2911calm
3011calm

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 5:43 AM to 5:42 AM, and sunset from 5:56 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:435:56
212.25:435:55
312.25:435:54
412.25:435:54
512.25:435:53
612.25:435:52
712.15:435:52
812.15:435:51
912.15:435:51
1012.15:435:50
1112.15:435:49
1212.15:435:49
1312.15:435:48
1412.15:435:47
1512.15:425:47
1612.15:425:46
1712.05:425:45
1812.05:425:45
1912.05:425:44
2012.05:425:43
2112.05:425:42
2212.05:425:42
2312.05:425:41
2412.05:425:41
2512.05:425:40
2612.05:425:39
2711.95:425:39
2811.95:425:38
2911.95:425:37
3011.95:425:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.04 kWh/m².

For context, solar energy here swings from a low near 4.67 kWh/m² to a high of 6.55 kWh/m² in March across the year — September's 5.04 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
Planning a trip in September

Hazard calendar for Ấp Bình Châu

In seasonPeak

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

Ấp Bình Châu sits in the Pacific typhoon belt; the season peaks July–October.

Ấp Bình Châu's rainy season runs May–October, 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 Ấp Bình Châu?

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

3.0
Sightseeing
11th-best month of the year
3.9
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Ấp Bình Châu.

What to pack for Ấp Bình Châu in September

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

In September, Ấp Bình Châu 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 Ấp Bình Châu in September

The nearest coast averages about 28°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 30°C and coldest in January near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb26Warm
Mar27Warm
Apr29Tropical
May30Tropical
Jun29Tropical
Jul28Tropical
Aug28Tropical
Sep28Tropical
Oct29Tropical
Nov28Warm
Dec27Warm

UV index in Ấp Bình Châu 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 Ấp Bình Châu peaks around May 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMay 11UV 13Dec 12UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in Ấp Bình Châu 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 Ấp Bình Châu is worst in October — around 34 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (March, 21 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 1434 µg/m³Mar 1921 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb21Moderate
Mar21Moderate
Apr21Moderate
May25Moderate
Jun30Moderate
Jul29Moderate
Aug29Moderate
Sep33Moderate
Oct34Moderate
Nov31Moderate
Dec34Moderate
Location & terrain

Where is Ấp Bình Châu?

Ấp Bình Châu sits at 10.6°N, 107.5°E, 4 m above sea level, in Vietnam. The nearest listed city is Thị Trấn Phước Bửu, 16 km away.

Topography around Ấp Bình Châu

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ấp Bình Châu.

Within 3 km, the terrain around Ấp Bình Châu has only modest variations in elevation — a maximum elevation change of 59 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 149 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,309 m.

The land around Ấp Bình Châu is covered by water (49%) and trees (23%) within 3 km, water (48%) and trees (36%) within 16 km, and water (42%) and trees (39%) within 80 km.

3 km
59 m
16 km
149 m
80 km
1,309 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
September weather nearby: Thị Trấn Phước Bửu 16 km · La Gi 27 km · Thị Trấn Đất Đỏ 31 km · Thị Trấn Ngải Giao 35 km · Long Diền 37 km · Xã Long Hải 39 km · Thành Phố Bà Rịa 42 km · Ấp Phước Tĩnh 43 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 Ấp Bình Châu (10.55°, 107.55°, 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. 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).