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
In September, Son La experiences mild weather with temperatures ranging from 18.6°C to 28.7°C. Expect around 185.7mm of rain over approximately 20 days and high humidity at 83.4%.| 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 14 years ( 2010 to 2024).
September
2012
- 2010
- 2011
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
1 19.0°29.0° | 2 20.0°28.0° | |||||
3 19.0°30.0° | 4 18.0°30.0° | 5 19.0°30.0° | 6 20.0°27.0° | 7 19.0°26.0° | 8 18.0°27.0° | 9 18.0°26.0° |
10 19.0°30.0° | 11 19.0°30.0° | 12 19.0°30.0° | 13 18.0°26.0° | 14 16.0°20.0° | 15 16.0°24.0° | 16 17.0°31.0° |
17 17.0°31.0° | 18 18.0°29.0° | 19 19.0°25.0° | 20 19.0°26.0° | 21 19.0°30.0° | 22 19.0°27.0° | 23 18.0°31.0° |
24 19.0°29.0° | 25 20.0°30.0° | 26 19.0°30.0° | 27 18.0°28.0° | 28 18.0°29.0° | 29 17.0°27.0° | 30 15.0°30.0° |
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 in Son La is pleasantly mild, with temperatures ranging from 18.6°C (65.48°F) to 28.7°C (83.66°F). This makes September one of the ideal months to explore Son La.
Is Son La humid in September?
Yes, it is. In September, Son La's humidity averages about 83.4% and typically doesn't drop below 60.0%.
Does it rain often in Son La in September?
Yes, it does rain frequently in Son La during September, averaging around 20 rainy days and receiving about 185.7mm (7.31") of precipitation.
How many hours of daylight are there in September in Son La?
In September, Son La enjoys an average of 12.3 hours of daylight each day.
How long is the sun out per day in Son La in September?
The average daily sunshine in Son La during September is approximately 11.1 hours.
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