Anlong Veaeng weather in September

In September, Anlong Veaeng sees average daytime highs of 31°C and overnight lows near 25°C, with 261 mm of rain across 25 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°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 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Anlong Veaeng's 9th-clearest and 11th-windiest month. For the whole year in context, see Anlong Veaeng's year-round climate.

Daytime high
31°
10th warmest
Overnight low
25°
7th coldest
Rainfall
261 mm
25 wet days
Daylight
12 h 06 min
5:56 AM – 6:00 PM
Cloud cover
88%
9th clearest
Wind
6 km/h
11th windiest
Solar energy
4.2 kWh/m²
Travel score
2.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical September day in Anlong Veaeng reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°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)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124

How September really feels in Anlong Veaeng

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.

Anlong Veaeng weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 20°50.911.35.3
Feb33° / 22°71.911.54.1
Mar35° / 24°316.311.92.6
Apr36° / 26°6011.212.32.0
May35° / 26°12519.412.72.0
Jun33° / 25°14020.712.82.3
Jul32° / 25°16923.312.82.6
Aug31° / 25°20524.712.52.7
Sep31° / 25°2612512.12.7
Oct31° / 24°1521911.73.5
Nov31° / 22°365.911.34.9
Dec31° / 20°101.811.25.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 6% of September, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2793
3793
4793
5793
6793
7793
8793
9793
10793
11793
12793
13793
14793
15892
16892
17991
18991
191090
201090
211090
221189
231189
241189
251189
261189
271288
281288
291387
301486

Chance of precipitation in September

Any precipitation

Anlong Veaeng gets around 261 mm of rain over 25 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 84% and peaks near 85% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
182
282
382
482
582
682
782
882
983
1083
1183
1284
1384
1484
1585
1685
1785
1885
1985
2085
2185
2285
2385
2485
2585
2684
2784
2884
2983
3083

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
101288
201288
301288
401288
501288
601288
701288
801288
901288
1001288
1101288
1201288
1301288
1401189
1501189
1601189
1701189
1801189
1901189
2001189
2101189
2201288
2301288
2401288
2501387
2601486
2701585
2801585
2911683
3011782

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 18 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 24 minutes over September. Sunrise moves from 5:55 AM to 5:56 AM, and sunset from 6:12 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:556:12
212.35:556:11
312.35:556:10
412.25:556:10
512.25:556:09
612.25:556:08
712.25:556:07
812.25:556:07
912.25:556:06
1012.25:556:05
1112.15:556:04
1212.15:566:03
1312.15:566:03
1412.15:566:02
1512.15:566:01
1612.15:566:00
1712.15:566:00
1812.15:565:59
1912.05:565:58
2012.05:565:57
2112.05:565:56
2212.05:565:56
2312.05:565:55
2412.05:565:54
2512.05:565:53
2611.95:565:53
2711.95:565:52
2811.95:565:51
2911.95:565:50
3011.95:565:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.2 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.2 kWh/m² to a high of 5.93 kWh/m² in April across the year — September's 4.2 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.2Bright
Planning a trip in September

Hazard calendar for Anlong Veaeng

In seasonPeak

In September, Anlong Veaeng sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Anlong Veaeng'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 September a good time to visit Anlong Veaeng?

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

2.7
Sightseeing
6th-best month of the year
4.0
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Anlong Veaeng.

What to pack for Anlong Veaeng in September

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

In September, Anlong Veaeng sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. About 25 days see rain.

light clothesrain gear

UV index in Anlong Veaeng in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Anlong Veaeng peaks around August 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 8 (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 14Nov 21UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Anlong Veaeng 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 Anlong Veaeng is worst in February — around 66 µg/m³ PM2.5 (unhealthy), about 4.0× the cleanest month (June, 17 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModerateFeb 1865 µg/m³Jun 2117 µg/m³
PM2.5 (µg/m³)Level
Jan48Poor
Feb66Unhealthy
Mar58Unhealthy
Apr39Poor
May22Moderate
Jun17Moderate
Jul18Moderate
Aug17Moderate
Sep18Moderate
Oct20Moderate
Nov17Moderate
Dec18Moderate
Location & terrain

Where is Anlong Veaeng?

Anlong Veaeng sits at 14.2°N, 104.1°E, 54 m above sea level, in Cambodia. The nearest listed city is Samraong, 61 km away.

SamraongKantharalakYeangSurinSiem ReapTbeng MeancheyPrakhon Chai

Topography around Anlong Veaeng

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

Within 3 km, the terrain around Anlong Veaeng has only modest variations in elevation — a maximum elevation change of 21 m around an average of 51 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 481 m; within 80 km, large variations in elevation — a maximum elevation change of 655 m.

The land around Anlong Veaeng is covered by trees (37%) and cropland (35%) within 3 km, cropland (46%) and trees (38%) within 16 km, and cropland (54%) and trees (37%) within 80 km.

3 km
21 m
16 km
481 m
80 km
655 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Samraong 61 km · Kantharalak 76 km · Yeang 91 km · Surin 96 km · Siem Reap 100 km · Si Sa Ket 102 km · Tbeng Meanchey 108 km · Prakhon Chai 111 km

Cambodia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / C / G
230 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$2,872
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
1.8
per 100k, 2011
Road deaths
19.6
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 390
Religion
Buddhist 97%Muslim 2%other 1%Christian 0%

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 Anlong Veaeng (14.2322°, 104.0811°, elevation 54 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. 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).