Battambang weather in September

In September, Battambang sees average daytime highs of 33°C and overnight lows near 26°C, with 192 mm of rain across 25.1 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°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 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 Battambang's 11th-clearest and 5th-windiest month. For the whole year in context, see Battambang's year-round climate.

Daytime high
33°
8th warmest
Overnight low
26°
7th coldest
Rainfall
192 mm
25.1 wet days
Daylight
12 h 06 min
5:59 AM – 6:04 PM
Cloud cover
89%
11th clearest
Wind
7 km/h
5th windiest
Solar energy
4.46 kWh/m²
Travel score
2.1
out of 10

Battambang is City in Cambodia.

Density
407/km²
people per km²
Founded
1907

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 33°C through the month.

A typical September day in Battambang reaches about 33°C in the afternoon and slips back to 26°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 35°C. Set against its neighbours, September runs about 1°C cooler than August and about 1°C warmer than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13426
23426
33326
43326
53326
63326
73326
83326
93326
103326
113326
123326
133326
143326
153326
163326
173326
183326
193325
203325
213325
223325
233225
243225
253225
263225
273225
283225
293225
303225

How September really feels in Battambang

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.

Battambang weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°12211.34.5
Feb35° / 24°152.511.63.3
Mar36° / 25°478.911.92.0
Apr37° / 26°8315.112.31.5
May36° / 27°1152112.61.5
Jun35° / 27°1051912.81.9
Jul34° / 26°10520.912.72.1
Aug34° / 26°12422.912.42.0
Sep33° / 26°19225.112.12.1
Oct32° / 25°19022.511.72.8
Nov32° / 24°52911.44.1
Dec32° / 22°132.911.24.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in September.

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 (%)
1694
2595
3595
4595
5595
6595
7595
8595
9595
10595
11595
12595
13595
14595
15595
16694
17694
18793
19793
20892
21892
22892
23892
24892
25892
26892
27892
28892
29892
30892

Chance of precipitation in September

Any precipitation

Battambang gets around 192 mm of rain over 25.1 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 84% and peaks near 88% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
182
282
382
482
582
682
782
882
982
1082
1182
1282
1382
1482
1582
1683
1783
1883
1984
2084
2185
2285
2386
2486
2587
2687
2787
2888
2988
3088

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
14456
24456
34357
44357
54258
64159
74060
83961
93862
103763
113664
123565
133466
143268
153169
163070
172872
182773
192575
202476
212278
222179
232080
241981
251981
261882
271783
281783
291684
301684

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.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:59 AM to 6:00 AM, and sunset from 6:15 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:596:15
212.25:596:14
312.25:596:13
412.25:596:12
512.25:596:12
612.25:596:11
712.25:596:10
812.25:596:10
912.25:596:09
1012.15:596:08
1112.15:596:07
1212.15:596:07
1312.15:596:06
1412.15:596:05
1512.15:596:04
1612.15:596:04
1712.15:596:03
1812.05:596:02
1912.05:596:01
2012.05:596:01
2112.05:596:00
2212.05:595:59
2312.05:595:58
2412.05:595:58
2512.05:595:57
2611.95:595:56
2711.96:005:56
2811.96:005:55
2911.96:005:54
3011.96:005:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.46 kWh/m².

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 5.97 kWh/m² in April across the year — September's 4.46 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.6Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in September

Hazard calendar for Battambang

In seasonPeak

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

Battambang's rainy season runs May–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Battambang?

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

2.1
Sightseeing
6th-best month of the year
3.8
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Battambang.

What to pack for Battambang in September

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

In September, Battambang sees daytime highs around 33°C and nights near 26°C. Pack light clothes and rain gear. About 25 days see rain.

light clothesrain gear

UV index in Battambang in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Battambang peaks around August 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 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 15UV 14Nov 22UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Battambang 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 Battambang is worst in February — around 52 µg/m³ PM2.5 (poor), about 4.6× the cleanest month (November, 11 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateGoodFeb 1750 µg/m³Nov 2211 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb52Poor
Mar41Poor
Apr41Poor
May20Moderate
Jun14Moderate
Jul14Moderate
Aug13Moderate
Sep12Good
Oct14Moderate
Nov11Good
Dec12Good
Location & terrain

Where is Battambang?

Battambang sits at 13.1°N, 103.2°E, 18 m above sea level, in Cambodia. The nearest listed city is Phum Ânlŭng Vĭl, 5.0 km away.

SisophonYeangPailinSiem ReapOu Bei ChoanPoipetAranyaprathet

Topography around Battambang

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

Within 3 km, the terrain around Battambang has only modest variations in elevation — a maximum elevation change of 13 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 162 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,399 m.

The land around Battambang is covered by artificial surfaces (44%) and trees (27%) within 3 km, cropland (76%) within 16 km, and cropland (64%) and trees (24%) within 80 km.

3 km
13 m
16 km
162 m
80 km
1,399 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Phum Ânlŭng Vĭl 5.0 km · Sisophon 59 km · Yeang 67 km · Pailin 70 km · Siem Reap 77 km · Ou Bei Choan 90 km · Poipet 92 km · Aranyaprathet 100 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 Battambang (13.1027°, 103.1982°, elevation 18 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).