Kampong Cham weather in September

In September, Kampong Cham sees average daytime highs of 32°C and overnight lows near 25°C, with 262 mm of rain across 26.8 wet days and about 12.1 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 2% 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 Kampong Cham's 12th-clearest and 11th-windiest month. For the whole year in context, see Kampong Cham's year-round climate.

Daytime high
32°
9th warmest
Overnight low
25°
6th coldest
Rainfall
262 mm
26.8 wet days
Daylight
12 h 06 min
5:50 AM – 5:54 PM
Cloud cover
89%
12th clearest
Wind
7 km/h
11th windiest
Solar energy
4.63 kWh/m²
Travel score
2.3
out of 10

Kampong Cham is capital of the same named Cambodian province.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical September day in Kampong Cham reaches about 32°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 30°C and 34°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)
13226
23226
33226
43226
53226
63226
73226
83225
93225
103225
113225
123225
133225
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225

How September really feels in Kampong Cham

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
30 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.

Kampong Cham weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°10211.44.3
Feb34° / 24°81.811.63.5
Mar35° / 26°416.411.92.6
Apr36° / 27°8514.212.32.0
May35° / 27°16421.812.51.9
Jun33° / 26°1762412.72.1
Jul33° / 26°18926.412.62.2
Aug32° / 26°2152712.42.2
Sep32° / 25°26226.812.12.3
Oct32° / 25°20522.611.72.9
Nov32° / 24°719.511.44.2
Dec32° / 23°213.911.34.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% 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 93%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1694
2694
3694
4694
5595
6595
7595
8595
9595
10496
11496
12496
13595
14595
15595
16694
17694
18694
19694
20793
21892
22892
23991
24991
25892
26991
27991
28991
29991
301090

Chance of precipitation in September

Any precipitation

Kampong Cham gets around 262 mm of rain over 26.8 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 90% and peaks near 91% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
188
288
388
488
588
689
789
889
989
1089
1190
1290
1390
1490
1590
1690
1790
1890
1990
2089
2190
2290
2390
2490
2590
2690
2790
2890
2991
3091

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 (%)
1496
2496
3496
4496
5496
6496
7496
8496
9496
10496
11595
12595
13595
14595
15595
16595
17595
18595
19496
20496
21496
22496
23496
24496
25595
26595
27595
28595
29595
30694

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 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
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 5:51 AM to 5:50 AM, and sunset from 6:05 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:516:05
212.25:516:04
312.25:516:04
412.25:516:03
512.25:516:02
612.25:516:01
712.25:516:01
812.25:516:00
912.15:515:59
1012.15:515:59
1112.15:515:58
1212.15:515:57
1312.15:515:57
1412.15:515:56
1512.15:515:55
1612.15:505:54
1712.15:505:54
1812.05:505:53
1912.05:505:52
2012.05:505:52
2112.05:505:51
2212.05:505:50
2312.05:505:49
2412.05:505:49
2512.05:505:48
2612.05:505:47
2711.95:505:47
2811.95:505:46
2911.95:505:45
3011.95:505:45

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.63 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.63 kWh/m² to a high of 6.19 kWh/m² in March across the year — September's 4.63 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.7Bright
104.7Bright
114.7Bright
124.6Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Hazard calendar for Kampong Cham

In seasonPeak

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

Kampong Cham sits in the Pacific typhoon belt; the season peaks July–October.

Kampong Cham's monsoon runs May–October, when most of the year's rain falls.

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

Is September a good time to visit Kampong Cham?

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
3.7
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Kampong Cham.

What to pack for Kampong Cham in September

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

In September, Kampong Cham sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

UV index in Kampong Cham 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 Kampong Cham peaks around August 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 20 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 20UV 8
UV index (midday)Level
Jan10Extreme
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct10Extreme
Nov8Very high
Dec9Very high

Air quality in Kampong Cham 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 Kampong Cham 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 Kampong Cham?

Kampong Cham sits at 12.0°N, 105.5°E, 23 m above sea level, in Cambodia. The nearest listed city is Phumĭ Âmpĭl Leu, 4.0 km away.

Prey VengDarPreaek PrasabChrang Chamreh MuoyPhnom PenhBoeng Kak Pir

Topography around Kampong Cham

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

Within 3 km, the terrain around Kampong Cham has only modest variations in elevation — a maximum elevation change of 29 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 98 m; within 80 km, significant variations in elevation — a maximum elevation change of 265 m.

The land around Kampong Cham is covered by water (24%), trees (23%) and artificial surfaces (23%) within 3 km, cropland (46%) and trees (30%) within 16 km, and cropland (50%) and trees (32%) within 80 km.

3 km
29 m
16 km
98 m
80 km
265 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Phumĭ Âmpĭl Leu 4.0 km · Suong 23 km · Prey Veng 58 km · Dar 72 km · Preaek Prasab 74 km · Chrang Chamreh Muoy 75 km · Phnom Penh 76 km · Boeng Kak Pir 78 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 Kampong Cham (11.9934°, 105.4635°, elevation 23 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). 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).