Son La in September: Weather & climate information
What's the weather like in Son La in September? See the historical monthly averages for temperature, rainfall and humidity.
September Averages
| Min Temperature | 18.6°C | Precipitation | 185.7mm |
| Max Temperature | 28.7°C | Rainy Days | 20.2 days |
| Humidity | 83.4% | Sunshine Hours | 11.1 hours |
Historical weather
September weather averages for Son La in the last 10 years ( 2010 to 2020).
- 2010
- 2011
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
1 18.0°31.0° | 2 19.0°27.0° | 3 19.0°29.0° | 4 19.0°27.0° | 5 18.0°28.0° | 6 19.0°29.0° | 7 18.0°34.0° |
8 20.0°32.0° | 9 19.0°32.0° | 10 20.0°33.0° | 11 20.0°31.0° | 12 20.0°31.0° | 13 19.0°28.0° | 14 20.0°30.0° |
15 19.0°32.0° | 16 20.0°31.0° | 17 20.0°22.0° | 18 21.0°25.0° | 19 19.0°27.0° | 20 20.0°30.0° | 21 19.0°25.0° |
22 17.0°29.0° | 23 16.0°28.0° | 24 19.0°30.0° | 25 15.0°31.0° | 26 17.0°29.0° | 27 18.0°28.0° | 28 19.0°30.0° |
29 19.0°26.0° | 30 19.0°31.0° |
Temperature Graph (°C)
The average Son La temperature during September is around 23.1°C (73.58°F).
| Month | High | Low | Changes |
| August | 28.1°C (82.58°F) | 19.2°C (66.56°F) | -0.1°C (31.82°F) |
| September* | 28.7°C (83.66°F) | 18.6°C (65.48°F) | -0.2°C (31.64°F) |
| October | 27.2°C (80.96°F) | 16.3°C (61.34°F) | -2.0°C (28.4°F) |
Humidity Graph (%)
The average humidity in September in Son La is 83.4%, which is 4.3% lower than August and 3.0% higher than October.
Rainfall Graph (mm)
Average rainfall in September in Son La: 185.7mm
| August | September* | October |
| 339.9mm (-154.2mm) | 185.7mm | 70.5mm (+115.2mm) |
Rain Days Graph
Average rain days in September in Son La: 20.2 days
Daylight Graph
Average daylight in September in Son La: 12.3h
Frequently asked questions
How is the weather in Son La in September?
September is a comfortable month in Son La, with average temperature fluctuating between 18.6°C (65.48°F) and 28.7°C (83.66°F), and this makes September one of the best months to visit Son La.
Is Son La humid in September?
Yes, it is. The humidity of Son La in September is around 83.4% and rarely falls below 60.0%.
Does it rain often in Son La in September?
Yes, it does. It rains very often in Son La in September with an average of 20.2 rainy days and 185.7mm (7.31") of precipitation.
How many hours of daylight are there in September in Son La?
In September, Son La's average day-length is 12.3 hours.
How long is the sun out per day in Son La in September?
The average sunshine hours of Son La in September is 11.1 hours.
