Temperatures in September
It's hot in September in Sapa with an average temperature of 31°C. Temperatures this month range from a low of 29°C to a high of 32°C. At night, you can expect temperatures between 17°C and 19°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Sapa in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Sapa with hot temperatures, averaging around 31°C during the day and nights close to 19°C. Plenty of days with a chance of precipitation.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-September
By mid-September, the average daytime temperature stays the same at 31°C, with nights close to 19°C. The chance of precipitation is high during this period.
Temperatures vary between day and night, so it’s smart to wear layers.
End of September
By the end of September, the average daytime temperature in Sapa will be around 30°C, with nights close to 18°C. There’s a significant chance of many days with precipitation.
As it gets cooler in the evening, it’s best to wear layers.
Precipitation in September
In September, there is an average of 227 mm of precipitation, spread over 21 days. The wind speed is around 2 Bft, mostly coming from the Southeast.
The average precipitation chance this month is 69% per day. Though that seems frequent, there are also a few days with lower precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Sapa. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Sapa in September |
London | ||
|---|---|---|---|
 Average Temperature |
31°C | 20°C | |
 High Temp |
32°C | 22°C | |
| Low Temp |
29°C | 17°C | |
 Total Precipitation |
227 mm | 44 mm | |
| Rainy Days |
21 days | 8 days | |
August
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Sapa?
After some sun? Then September isn’t the best time to be in Sapa. The temperature is pleasant, but there’s too much chance of rain this month.
The typhoon season in Sapa runs from June to November.
Temperature records for Sapa in September
With 39°C, Sapa hit the highest temperature in the last 10 years in September 2023. The lowest daytime temperature in this month was 18°C in 2022. The extreme night temperatures ranged from a low of 10°C to a high of 23°C.
Check out the climate of Sapa for all months and discover the best travel time
Curious about the climate in other parts of Vietnam? Check out the weather and climate in places like Hanoi, Halong Bay, Ho Chi Minh City, or have a look at other destinations in Vietnam.
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Daily Temperature in September in Sapa
This chart shows the average daily temperatures, both day and night, for each day in September in Sapa, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Sapa
The chart below shows the average daily precipitation in September for Sapa, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 21 days of rain in Sapa.
Daily UV Index in September in Sapa
This chart shows the average daily UV index in September in Sapa, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Sapa Over the Years
This chart shows the average temperature in September in Sapa, measured in degrees Celsius, over the past years.
Total Precipitation in September in Sapa Over the Years
This chart shows the average precipitation in September in Sapa, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Sapa
Click on a specific day in September for detailed info on the typical weather on that day in Sapa. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Sapa
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Average Weather in Sapa by Month
Click on a month below to see detailed weather info for Sapa. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
