Climate averages 1991–2020
Thành Phố Bà Rịa weather
in September.
A hot, very wet month: the joint 8th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Thành Phố Bà Rịa: daytime highs average 29.5°C and nights cool to about 24.7°C. By daytime temperature it is the joint 8th warmest of the 12 months.
Expect about 289 mm of rain on roughly 28 days, which makes September a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 11 min on an average September day.
The nearest other city in this atlas is Phú Mỹ (19 km away). In September its highs average 29.8°C, about as warm as Thành Phố Bà Rịa, with 317 mm of rain.
Among the 136 cities listed in Vietnam, Thành Phố Bà Rịa ranks joint 100th of 136 for the warmest September highs and joint 85th of 136 for the driest September (rainfall, lowest first). The mean September high of those 136 cities is 29.7°C; Thành Phố Bà Rịa is 0.2°C cooler than that mean.
From September to October, average highs fall by 0.3°C to 29.2°C, and monthly rainfall falls from 289 mm to 254 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
Thành Phố Bà Rịa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.5°C23.1°C | 23.1°C | 22 | 2.8 | 11.612 h |
| February | 30.6°C23.6°C | 23.6°C | 7.0 | 0.9 | 11.812 h |
| March | 31.6°C24.7°C | 24.7°C | 15 | 2.7 | 12.112 h |
| April | 32.1°C25.8°C | 25.8°C | 49 | 8.9 | 12.412 h |
| May | 31.4°C25.9°C | 25.9°C | 188 | 24.0 | 12.613 h |
| June | 30.1°C25.5°C | 25.5°C | 251 | 27.3 | 12.713 h |
| July | 29.6°C25.1°C | 25.1°C | 253 | 28.8 | 12.713 h |
| August | 29.7°C25.0°C | 25.0°C | 256 | 28.7 | 12.512 h |
| September, selected | 29.5°C24.7°C | 24.7°C | 289 | 28.1 | 12.212 h |
| October | 29.2°C24.4°C | 24.4°C | 254 | 26.4 | 11.912 h |
| November | 29.2°C24.2°C | 24.2°C | 126 | 14.8 | 11.712 h |
| December | 29.0°C23.5°C | 23.5°C | 66 | 8.9 | 11.512 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
- Phú Mỹ in SeptemberVietnam · 19 kmHigh 29.8°C · Low 24.4°C · 317 mm rain
- Vũng Tàu in SeptemberVietnam · 19 kmHigh 29.1°C · Low 25.2°C · 202 mm rain
- Xuân Lộc in SeptemberVietnam · 49 kmHigh 28.9°C · Low 23.2°C · 312 mm rain
- Cần Giuộc in SeptemberVietnam · 56 kmHigh 30.3°C · Low 24.4°C · 297 mm rain
- Gò Công in SeptemberVietnam · 57 kmHigh 30.0°C · Low 24.7°C · 242 mm rain
- Thủ Đức in SeptemberVietnam · 58 kmHigh 30.2°C · Low 24.0°C · 295 mm rain
- Biên Hòa in SeptemberVietnam · 62 kmHigh 30.2°C · Low 24.1°C · 301 mm rain
- Quận Mười in SeptemberVietnam · 63 kmHigh 30.2°C · Low 24.1°C · 295 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 Thành Phố Bà Rịa) is explained once on the Thành Phố Bà Rịa year overview and on the Sources, method and limits page.