Dar weather in September

In September, Dar sees average daytime highs of 31°C and overnight lows near 25°C, with 308 mm of rain across 28.1 wet days and about 12.1 hours of daylight. It is the 11th-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 1% 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 Dar's 12th-clearest and 11th-windiest month. For the whole year in context, see Dar's year-round climate.

Daytime high
31°
11th warmest
Overnight low
25°
6th coldest
Rainfall
308 mm
28.1 wet days
Daylight
12 h 06 min
5:48 AM – 5:52 PM
Cloud cover
90%
12th clearest
Wind
7 km/h
11th windiest
Solar energy
4.7 kWh/m²
Travel score
2.3
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 Dar reaches about 31°C in the afternoon and slips back to 25°C overnight — a 7°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)
13225
23225
33225
43225
53225
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203125
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124

How September really feels in Dar

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
15 feel dangerously hot (≥ 39°C)
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.

Dar weather by month

How September compares with the rest of the year at a glance. September is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°132.711.43.9
Feb34° / 24°101.911.63.3
Mar35° / 25°446.711.92.6
Apr35° / 26°9914.312.32.1
May34° / 26°20123.812.52.0
Jun33° / 25°22025.312.72.2
Jul32° / 25°25327.712.62.3
Aug32° / 25°2612812.42.3
Sep31° / 25°30828.112.12.3
Oct31° / 24°2492411.72.9
Nov32° / 24°9311.211.53.9
Dec32° / 23°334.911.34.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 5% of September, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1595
2595
3595
4496
5496
6496
7496
8496
9496
10496
11496
12496
13595
14595
15595
16595
17595
18694
19694
20793
21793
22793
23793
24892
25892
26892
27892
28892
29991
30991

Chance of precipitation in September

Any precipitation

Dar gets around 308 mm of rain over 28.1 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 94% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
192
293
393
493
594
694
794
895
995
1095
1195
1295
1395
1495
1594
1694
1794
1894
1993
2093
2193
2293
2393
2493
2593
2693
2793
2893
2993
3093

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 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1694
2694
3694
4694
5694
6694
7694
8694
9694
10694
11694
12694
13694
14694
15694
16694
17694
18694
19694
20694
21694
22694
23694
24694
25694
26694
27694
28694
29793
30793

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 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
137calm
147calm
157calm
167calm
177calm
187calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:48 AM to 5:48 AM, and sunset from 6:02 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:486:02
212.25:486:02
312.25:486:01
412.25:486:00
512.25:486:00
612.25:485:59
712.25:485:58
812.25:485:58
912.15:485:57
1012.15:485:56
1112.15:485:55
1212.15:485:55
1312.15:485:54
1412.15:485:53
1512.15:485:53
1612.15:485:52
1712.15:485:51
1812.05:485:50
1912.05:485:50
2012.05:485:49
2112.05:485:48
2212.05:485:48
2312.05:485:47
2412.05:485:46
2512.05:485:46
2612.05:485:45
2711.95:485:44
2811.95:485:44
2911.95:485:43
3011.95:485:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.7 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.7 kWh/m² to a high of 6.22 kWh/m² in March across the year — September's 4.7 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in September

Hazard calendar for Dar

In seasonPeak

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

Dar'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 Dar?

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

2.3
Sightseeing
7th-best month of the year
3.6
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Dar.

What to pack for Dar in September

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

In September, Dar sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

UV index in Dar 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 Dar peaks around August 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 19 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 18UV 13Nov 19UV 8
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct10Extreme
Nov8Very high
Dec9Very high

Air quality in Dar 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 Dar is worst in February — around 45 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (November, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateFeb 1844 µg/m³Nov 1617 µg/m³
PM2.5 (µg/m³)Level
Jan38Poor
Feb45Poor
Mar42Poor
Apr33Moderate
May24Moderate
Jun20Moderate
Jul19Moderate
Aug18Moderate
Sep20Moderate
Oct20Moderate
Nov17Moderate
Dec20Moderate
Location & terrain

Where is Dar?

Dar sits at 11.8°N, 106.1°E, 59 m above sea level, in Cambodia. The nearest listed city is Mémót, 11 km away.

Dương Minh ChâuSnuolSuongTây NinhHòa ThànhPhú KhươngPreaek Prasab

Topography around Dar

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

Within 3 km, the terrain around Dar has only modest variations in elevation — a maximum elevation change of 79 m around an average of 66 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 177 m; within 80 km, large variations in elevation — a maximum elevation change of 954 m.

The land around Dar is covered by trees (43%) and cropland (42%) within 3 km, trees (68%) and cropland (26%) within 16 km, and trees (51%) and cropland (34%) within 80 km.

3 km
79 m
16 km
177 m
80 km
954 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Mémót 11 km · Dương Minh Châu 47 km · Snuol 48 km · Suong 49 km · Tây Ninh 53 km · Hòa Thành 56 km · Phú Khương 56 km · Preaek Prasab 63 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 Dar (11.7885°, 106.0933°, elevation 59 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).