Sa Pa weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Fair
Best time to visit: February – March, November – December
What is the weather like in Sa Pa in September?
In September, Sa Pa is warm: daytime highs average 23 °C, and nights cool down to about 18 °C. Expect around 5 hours of sunshine a day. It rains often – on about 23 days, adding up to 239 mm. All in all, September is a so-so month for a holiday in Sa Pa.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 54 | 55 | 56 |
| Day | 24° | 23° | 21° |
| Night | 19° | 18° | 16° |
| Sun | 4 h | 5 h | 4 h |
| Rain days | 28 | 23 | 17 |
More details for September
- Daylight
- 12 h 18 min05:51 – 18:09
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 9 daysdew point 18 °C or moreAll months
- Wind
- 6 km/haverage daily peakAll months
- Cloud cover
- 78 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+7Asia/Bangkok
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %27 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in September
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Sa Pa in September: quick answers
Is Sa Pa hot in September?
Warm rather than hot: in September, daytime highs in Sa Pa average 23 °C and nights cool to about 18 °C.
Does it rain much in Sa Pa in September?
It rains often – on about 23 days, adding up to 239 mm.
Sa Pa month by month
The whole year in Sa PaAll destinations: VietnamWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences