September weather forecast
Mù Cang Chải, Vietnam

September

Weather in September

September, the first month of the autumn in Mù Cang Chải, is still a warm month, with an average temperature fluctuating between 17.7°C (63.9°F) and 27.5°C (81.5°F).

Temperature

The arrival of September brings an average high-temperature of a still warm 27.5°C (81.5°F), subtly diverging from August's 28.3°C (82.9°F). Mù Cang Chải experiences a steady low-temperature of 17.7°C (63.9°F) throughout September.

Heat index

The heat index in September is appraised at a tropical 31°C (87.8°F). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in September is 82%.

Rainfall

In Mù Cang Chải, in September, during 25.2 rainfall days, 169mm (6.65") of precipitation is typically accumulated. In Mù Cang Chải, during the entire year, the rain falls for 224.7 days and collects up to 1436mm (56.54") of precipitation.

Snowfall

In Mù Cang Chải, snow does not fall in February through December.

Daylight

In September, the average length of the day is 12h and 16min.
On the first day of the month, sunrise is at 05:46 and sunset at 18:20. On the last day of September, in Mù Cang Chải, sunrise is at 05:54 and sunset at 17:52 +07.

Sunshine

In September, the average sunshine is 9.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 5 in September translates into these instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

What is the average September temperature?
The high-temperature in Mù Cang Chải during September is 27.5°C (81.5°F) and the low-temperature is 17.7°C (63.9°F). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is appraised at 31°C (87.8°F).
What is the average humidity in September?
In Mù Cang Chải, the average relative humidity in September is 82%.
How many days does it rain in September?
In Mù Cang Chải, during September, the rain falls for 25.2 days and regularly aggregates up to 169mm (6.65") of precipitation.
When it does not snow?
February through December are months without snowfall.
How many hours of daylight does Mù Cang Chải have in September?
The average day length in September is 12h and 16min.
What time are sunrise and sunset in September?
On the first day of September, sunrise is at 05:46 and sunset at 18:20. On the last day of the month, sunrise is at 05:54 and sunset at 17:52 +07.
How many hours of sunshine does Mù Cang Chải have in September?
In September, the average sunshine duration is 9.3h.
What is the UV index reading in September?
In Mù Cang Chải, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Mù Cang Chải, Vietnam
Average temperature in September
Mù Cang Chải, Vietnam
  • Average high temperature in September: 27.5°C

The warmest month (with the highest average high temperature) is May (29.5°C).
The month with the lowest average high temperature is January (19.8°C).

  • Average low temperature in September: 17.7°C

The month with the highest average low temperature is June (19.7°C).
The coldest month (with the lowest average low temperature) is January (9.6°C).

Average pressure in September - Mù Cang Chải, Vietnam
Average pressure in September
Mù Cang Chải, Vietnam
  • Average pressure in September: 1010.2mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is June (1005.2mbar).

Average wind speed in September - Mù Cang Chải, Vietnam
Average wind speed in September
Mù Cang Chải, Vietnam
  • Average wind speed in September: 3.4km/h

The windiest month (with the highest average wind speed) is March (5km/h).
The calmest month (with the lowest average wind speed) is August (3.3km/h).

Average humidity in September - Mù Cang Chải, Vietnam
Average humidity in September
Mù Cang Chải, Vietnam
  • Average humidity in September: 82%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is March (59%).

Average rainfall in September - Mù Cang Chải, Vietnam
Average rainfall in September
Mù Cang Chải, Vietnam
  • Average rainfall in September: 169mm

The wettest month (with the highest rainfall) is August (265mm).
The driest month (with the least rainfall) is February (17mm).

Average rainfall days in September - Mù Cang Chải, Vietnam
Average rainfall days in September
Mù Cang Chải, Vietnam
  • Average rainfall days in September: 25.2 days

The month with the highest number of rainy days is July (29.6 days).
The month with the least rainy days is February (6.3 days).

Average snowfall in September - Mù Cang Chải, Vietnam
Average snowfall in September
Mù Cang Chải, Vietnam
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (7mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September - Mù Cang Chải, Vietnam
Average snowfall days in September
Mù Cang Chải, Vietnam
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September / Average sunshine in September - Mù Cang Chải, Vietnam
Average daylight in September /
Average sunshine in September
Mù Cang Chải, Vietnam
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is April (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in September - Mù Cang Chải, Vietnam
Average sunshine days in September
Mù Cang Chải, Vietnam
  • Average sunshine days in September: 2.8 days

The month with the most sunshine days is February (17.8 days).
The month with the least sunshine days is August (0.7 days).

Average UV index in September - Mù Cang Chải, Vietnam
Average UV index in September
Mù Cang Chải, Vietnam
  • Average UV index in September: 5

The months with the highest UV index are March, April, May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in September - Mù Cang Chải, Vietnam
Average cloud cover in September
Mù Cang Chải, Vietnam
  • Average cloud cover in September: 47

The month with the most cloud cover is July (Cloud cover 54).
The month with the least cloud cover is March (Cloud cover 25).

Average visibility in September - Mù Cang Chải, Vietnam
Average visibility in September
Mù Cang Chải, Vietnam
  • Average visibility in September: 8km

The month with the highest visibility is March (10km).
The months with the lowest visibility are October and November (7km).

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