Climate averages 1991–2020
Chơn Thành weather
in September.
A hot, very wet month: the 11th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Chơn Thành: daytime highs average 29.7°C and nights cool to about 23.6°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 329 mm of rain on roughly 29 days, which makes September a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 12 min on an average September day.
The nearest other city in this atlas is Đồng Xoài (30 km away). In September its highs average 29.4°C, about as warm as Chơn Thành, with 376 mm of rain.
Among the 136 cities listed in Vietnam, Chơn Thành ranks joint 93rd of 136 for the warmest September highs and 122nd of 136 for the driest September (rainfall, lowest first). The mean September high of those 136 cities is 29.7°C; Chơn Thành is 0.1°C warmer than that mean.
From September to October, average highs fall by 0.1°C to 29.6°C, and monthly rainfall falls from 329 mm to 275 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
Chơn Thành climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.9°C22.1°C | 22.1°C | 18 | 3.1 | 11.512 h |
| February | 33.4°C22.8°C | 22.8°C | 11 | 2.4 | 11.812 h |
| March | 34.1°C24.2°C | 24.2°C | 40 | 6.7 | 12.112 h |
| April | 33.8°C25.1°C | 25.1°C | 105 | 14.9 | 12.412 h |
| May | 32.3°C25.0°C | 25.0°C | 220 | 24.8 | 12.613 h |
| June | 30.6°C24.3°C | 24.3°C | 277 | 26.5 | 12.813 h |
| July | 30.0°C24.0°C | 24.0°C | 308 | 29.3 | 12.713 h |
| August | 30.0°C23.9°C | 23.9°C | 311 | 29.1 | 12.512 h |
| September, selected | 29.7°C23.6°C | 23.6°C | 329 | 28.5 | 12.212 h |
| October | 29.6°C23.2°C | 23.2°C | 275 | 25.8 | 11.912 h |
| November | 30.0°C22.8°C | 22.8°C | 128 | 14.7 | 11.612 h |
| December | 30.5°C22.2°C | 22.2°C | 49 | 7.6 | 11.511 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
- Đồng Xoài in SeptemberVietnam · 30 kmHigh 29.4°C · Low 23.3°C · 376 mm rain
- Bến Cát in SeptemberVietnam · 31 kmHigh 30.3°C · Low 23.8°C · 304 mm rain
- Thủ Dầu Một in SeptemberVietnam · 50 kmHigh 30.1°C · Low 23.8°C · 301 mm rain
- Củ Chi in SeptemberVietnam · 53 kmHigh 30.4°C · Low 23.9°C · 312 mm rain
- Trảng Bàng in SeptemberVietnam · 54 kmHigh 30.5°C · Low 24.0°C · 302 mm rain
- Thuận An in SeptemberVietnam · 57 kmHigh 30.2°C · Low 23.8°C · 301 mm rain
- Hòa Thành in SeptemberVietnam · 57 kmHigh 30.4°C · Low 24.2°C · 300 mm rain
- Biên Hòa in SeptemberVietnam · 58 kmHigh 30.2°C · Low 24.1°C · 301 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 Chơn Thành) is explained once on the Chơn Thành year overview and on the Sources, method and limits page.