Climate averages 1991–2020
Battambang weather
in September.
A hot, very wet month: the 9th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Battambang: daytime highs average 31.2°C and nights cool to about 24.5°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 192 mm of rain on roughly 25 days, which makes September a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average September day.
The nearest other city in this atlas is Siem Reap (77 km away). In September its highs average 30.3°C, 0.9°C cooler than Battambang, with 244 mm of rain.
Among the 8 cities listed in Cambodia, Battambang ranks 1st of 8 for the warmest September highs and 1st of 8 for the driest September (rainfall, lowest first). The mean September high of those 8 cities is 30.4°C; Battambang is 0.8°C warmer than that mean.
From September to October, average highs fall by 0.8°C to 30.4°C, and monthly rainfall falls from 192 mm to 190 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Battambang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.7°C21.5°C | 21.5°C | 12 | 2.0 | 11.411 h |
| February | 33.7°C23.0°C | 23.0°C | 15 | 2.5 | 11.712 h |
| March | 35.3°C24.9°C | 24.9°C | 47 | 8.9 | 12.112 h |
| April | 35.3°C25.6°C | 25.6°C | 83 | 15.1 | 12.412 h |
| May | 34.1°C25.8°C | 25.8°C | 115 | 21.0 | 12.713 h |
| June | 33.1°C25.7°C | 25.7°C | 105 | 18.9 | 12.913 h |
| July | 32.4°C25.3°C | 25.3°C | 105 | 20.8 | 12.813 h |
| August | 32.1°C25.2°C | 25.2°C | 124 | 22.9 | 12.613 h |
| September, selected | 31.2°C24.5°C | 24.5°C | 192 | 25.0 | 12.212 h |
| October | 30.4°C23.6°C | 23.6°C | 190 | 22.5 | 11.812 h |
| November | 30.3°C22.6°C | 22.6°C | 52 | 9.0 | 11.512 h |
| December | 30.5°C21.5°C | 21.5°C | 13 | 2.9 | 11.411 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Siem Reap in SeptemberCambodia · 77 kmHigh 30.3°C · Low 24.5°C · 244 mm rain
- Paoy Paet in SeptemberCambodia · 92 kmHigh 30.0°C · Low 24.0°C · 237 mm rain
- Chanthaburi in SeptemberThailand · 131 kmHigh 28.7°C · Low 24.5°C · 363 mm rain
- Kampong Chhnang in SeptemberCambodia · 185 kmHigh 30.8°C · Low 24.5°C · 234 mm rain
- Kabin Buri in SeptemberThailand · 186 kmHigh 29.7°C · Low 23.6°C · 283 mm rain
- Si Maha Phot in SeptemberThailand · 206 kmHigh 29.9°C · Low 23.7°C · 308 mm rain
- Rayong in SeptemberThailand · 215 kmHigh 29.4°C · Low 25.1°C · 300 mm rain
- Nakhon Ratchasima in SeptemberThailand · 239 kmHigh 30.3°C · Low 23.7°C · 231 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Battambang) is explained once on the Battambang year overview and on the Sources, method and limits page.