Climate averages 1991–2020
Thị Trấn Thuận Châu weather
in September.
A warm, very wet month: the 6th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Thị Trấn Thuận Châu: daytime highs average 27.9°C and nights cool to about 21.4°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 185 mm of rain on roughly 20 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 Sơn La (27 km away). In September its highs average 27.4°C, about as warm as Thị Trấn Thuận Châu, with 150 mm of rain.
Among the 136 cities listed in Vietnam, Thị Trấn Thuận Châu ranks joint 124th of 136 for the warmest September highs and 9th of 136 for the driest September (rainfall, lowest first). The mean September high of those 136 cities is 29.7°C; Thị Trấn Thuận Châu is 1.8°C cooler than that mean.
From September to October, average highs fall by 1.5°C to 26.4°C, and monthly rainfall falls from 185 mm to 60 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
Thị Trấn Thuận Châu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.3°C12.6°C | 12.6°C | 39 | 7.1 | 11.011 h |
| February | 24.0°C14.0°C | 14.0°C | 36 | 7.5 | 11.411 h |
| March | 27.8°C17.1°C | 17.1°C | 71 | 11.6 | 12.012 h |
| April | 29.3°C19.7°C | 19.7°C | 112 | 15.5 | 12.613 h |
| May | 29.7°C21.6°C | 21.6°C | 207 | 21.2 | 13.113 h |
| June | 29.2°C22.6°C | 22.6°C | 357 | 26.5 | 13.413 h |
| July | 28.6°C22.5°C | 22.5°C | 428 | 27.6 | 13.313 h |
| August | 28.5°C22.2°C | 22.2°C | 363 | 26.9 | 12.913 h |
| September, selected | 27.9°C21.4°C | 21.4°C | 185 | 19.5 | 12.312 h |
| October | 26.4°C19.4°C | 19.4°C | 60 | 9.6 | 11.712 h |
| November | 24.3°C16.1°C | 16.1°C | 37 | 5.6 | 11.111 h |
| December | 21.4°C12.9°C | 12.9°C | 38 | 6.3 | 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
- Sơn La in SeptemberVietnam · 27 kmHigh 27.4°C · Low 20.9°C · 150 mm rain
- Dien Bien Phu in SeptemberVietnam · 69 kmHigh 28.3°C · Low 21.8°C · 199 mm rain
- Lào Cai in SeptemberVietnam · 120 kmHigh 29.8°C · Low 23.5°C · 165 mm rain
- Yên Bái in SeptemberVietnam · 130 kmHigh 29.5°C · Low 24.0°C · 229 mm rain
- Phú Thọ in SeptemberVietnam · 159 kmHigh 30.0°C · Low 24.2°C · 225 mm rain
- Tuyên Quang in SeptemberVietnam · 163 kmHigh 30.3°C · Low 24.2°C · 232 mm rain
- Bắc Quang in SeptemberVietnam · 168 kmHigh 30.4°C · Low 23.9°C · 226 mm rain
- Việt Trì in SeptemberVietnam · 178 kmHigh 30.1°C · Low 24.2°C · 201 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 Thị Trấn Thuận Châu) is explained once on the Thị Trấn Thuận Châu year overview and on the Sources, method and limits page.