Climate averages 1991–2020
Phổ Yên weather
in September.
A hot, very wet month: the 5th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Phổ Yên: daytime highs average 30.2°C and nights cool to about 23.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 211 mm of rain on roughly 18 days, which makes September a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 17 min on an average September day.
The nearest other city in this atlas is Thành phố Sông Công (8 km away). In September its highs average 30.3°C, about as warm as Phổ Yên, with 227 mm of rain.
Among the 136 cities listed in Vietnam, Phổ Yên ranks joint 42nd of 136 for the warmest September highs and 20th of 136 for the driest September (rainfall, lowest first). The mean September high of those 136 cities is 29.7°C; Phổ Yên is 0.5°C warmer than that mean.
From September to October, average highs fall by 2.0°C to 28.2°C, and monthly rainfall falls from 211 mm to 95 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
Phổ Yên climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.9°C13.0°C | 13.0°C | 51 | 10.8 | 11.011 h |
| February | 21.0°C14.6°C | 14.6°C | 42 | 10.8 | 11.411 h |
| March | 24.1°C17.6°C | 17.6°C | 72 | 14.6 | 12.012 h |
| April | 28.1°C21.1°C | 21.1°C | 99 | 13.8 | 12.613 h |
| May | 30.6°C23.8°C | 23.8°C | 240 | 19.1 | 13.113 h |
| June | 31.9°C25.5°C | 25.5°C | 293 | 21.1 | 13.413 h |
| July | 31.7°C25.6°C | 25.6°C | 317 | 23.1 | 13.313 h |
| August | 31.2°C25.1°C | 25.1°C | 359 | 24.7 | 12.913 h |
| September, selected | 30.2°C23.8°C | 23.8°C | 211 | 17.9 | 12.312 h |
| October | 28.2°C21.1°C | 21.1°C | 95 | 10.7 | 11.712 h |
| November | 24.8°C17.4°C | 17.4°C | 56 | 7.4 | 11.111 h |
| December | 20.6°C13.5°C | 13.5°C | 38 | 7.7 | 10.911 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 Sông Công in SeptemberVietnam · 8 kmHigh 30.3°C · Low 23.8°C · 227 mm rain
- Sóc Sơn in SeptemberVietnam · 19 kmHigh 30.4°C · Low 24.1°C · 229 mm rain
- Thái Nguyên in SeptemberVietnam · 20 kmHigh 30.2°C · Low 23.6°C · 227 mm rain
- Phúc Yên in SeptemberVietnam · 28 kmHigh 30.3°C · Low 24.1°C · 229 mm rain
- Việt Yên in SeptemberVietnam · 30 kmHigh 30.3°C · Low 23.8°C · 230 mm rain
- Vĩnh Yên in SeptemberVietnam · 32 kmHigh 30.4°C · Low 24.3°C · 201 mm rain
- Bắc Ninh in SeptemberVietnam · 32 kmHigh 30.4°C · Low 24.0°C · 233 mm rain
- Thị Trấn Đại Từ in SeptemberVietnam · 35 kmHigh 30.5°C · Low 24.2°C · 206 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 Phổ Yên) is explained once on the Phổ Yên year overview and on the Sources, method and limits page.