Climate averages 1991–2020
Phú Mỹ 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 Phú Mỹ: daytime highs average 29.8°C and nights cool to about 24.4°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 317 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 Thành Phố Bà Rịa (19 km away). In September its highs average 29.5°C, about as warm as Phú Mỹ, with 289 mm of rain.
Among the 136 cities listed in Vietnam, Phú Mỹ ranks joint 87th of 136 for the warmest September highs and 121st of 136 for the driest September (rainfall, lowest first). The mean September high of those 136 cities is 29.7°C; Phú Mỹ is 0.1°C warmer than that mean.
From September to October, average highs fall by 0.3°C to 29.5°C, and monthly rainfall falls from 317 mm to 272 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
Phú Mỹ climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.3°C22.5°C | 22.5°C | 27 | 4.1 | 11.612 h |
| February | 31.6°C23.2°C | 23.2°C | 10 | 2.0 | 11.812 h |
| March | 32.7°C24.5°C | 24.5°C | 24 | 4.6 | 12.112 h |
| April | 33.0°C25.5°C | 25.5°C | 68 | 11.9 | 12.412 h |
| May | 31.9°C25.7°C | 25.7°C | 207 | 24.3 | 12.613 h |
| June | 30.4°C25.1°C | 25.1°C | 268 | 27.6 | 12.713 h |
| July | 29.9°C24.7°C | 24.7°C | 285 | 29.3 | 12.713 h |
| August | 30.0°C24.7°C | 24.7°C | 294 | 29.2 | 12.512 h |
| September, selected | 29.8°C24.4°C | 24.4°C | 317 | 28.6 | 12.212 h |
| October | 29.5°C24.1°C | 24.1°C | 272 | 27.5 | 11.912 h |
| November | 29.6°C23.7°C | 23.7°C | 144 | 17.7 | 11.612 h |
| December | 29.5°C22.9°C | 22.9°C | 72 | 10.4 | 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
- Thành Phố Bà Rịa in SeptemberVietnam · 19 kmHigh 29.5°C · Low 24.7°C · 289 mm rain
- Vũng Tàu in SeptemberVietnam · 32 kmHigh 29.1°C · Low 25.2°C · 202 mm rain
- Xuân Lộc in SeptemberVietnam · 38 kmHigh 28.9°C · Low 23.2°C · 312 mm rain
- Thủ Đức in SeptemberVietnam · 40 kmHigh 30.2°C · Low 24.0°C · 295 mm rain
- Cần Giuộc in SeptemberVietnam · 43 kmHigh 30.3°C · Low 24.4°C · 297 mm rain
- Biên Hòa in SeptemberVietnam · 44 kmHigh 30.2°C · Low 24.1°C · 301 mm rain
- Quận Mười in SeptemberVietnam · 46 kmHigh 30.2°C · Low 24.1°C · 295 mm rain
- Quận Sáu in SeptemberVietnam · 47 kmHigh 30.5°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 Phú Mỹ) is explained once on the Phú Mỹ year overview and on the Sources, method and limits page.