September weather forecast
Ban Dang, Laos

September

Weather in September

September signals a gradual retreat of the monsoon, yet remains significantly wet with 200mm (7.87") of accumulated rainfall. The canvas of the city begins to clear up as cloud cover and humidity levels stoop. Luxurious daylight continues to be a constant, bestowing 12.2 hours of natural illumination. Slight changes in wind and pressure readings do not disrupt the serene atmosphere. The heat eases off as temperatures record a mild decline, setting the stage for the more comfortable, forthcoming months.

Temperature

September's advent presents an average high-temperature of a still tropical 30.9°C (87.6°F), indicating a slight variation from the conditions of the previous month. September brings Ban Dang a consistent average low-temperature of 23.1°C (73.6°F).

Heat index

During September, the heat index is estimated at a scorching 41°C (105.8°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

The average relative humidity in September in Ban Dang is 82%.

Rainfall

In Ban Dang, in September, during 23.6 rainfall days, 200mm (7.87") of precipitation is typically accumulated. Throughout the year, in Ban Dang, Laos, there are 187.2 rainfall days, and 1527mm (60.12") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 14min.
On the first day of September in Ban Dang, sunrise is at 05:45 and sunset at 18:12. On the last day of the month, sunrise is at 05:49 and sunset at 17:48 +07.

Sunshine

In September, the average sunshine in Ban Dang is 8.7h.

UV index

February through June, August and September, with an average maximum UV index of 7, are months with the highest UV index in Ban Dang. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During September, 7 as the daily maximum UV index converts into the following advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

How hot is it in Ban Dang in September?
In Ban Dang, in September, the average high-temperature is 30.9°C (87.6°F), and the average low-temperature is 23.1°C (73.6°F). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 41°C (105.8°F).
What is the average humidity in September in Ban Dang?
In September, the average relative humidity is 82%.
How many days does it rain in September in Ban Dang?
In Ban Dang, during September, the rain falls for 23.6 days and regularly aggregates up to 200mm (7.87") of precipitation.
How many hours of daylight does Ban Dang have in September?
The average day length in September is 12h and 14min.
When is the sunrise / sunset in September in Ban Dang?
On the first day of September in Ban Dang, sunrise is at 05:45 and sunset at 18:12. On the last day of the month, sunrise is at 05:49 and sunset at 17:48 +07.
How long on average sun shines in September in Ban Dang?
The average sunshine duration in September in Ban Dang is 8.7h.
When is the highest UV index in Ban Dang?
The months with the highest UV index in Ban Dang, Laos, are February through June, August and September, with an average maximum UV index of 7.
What is the UV index reading in September in Ban Dang?
In Ban Dang, Laos, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Ban Dang, Laos
  • Average high temperature in September: 30.9°C

The warmest month (with the highest average high temperature) is April (35.6°C).
The month with the lowest average high temperature is December (28.5°C).

  • Average low temperature in September: 23.1°C

The month with the highest average low temperature is May (25.3°C).
The coldest month (with the lowest average low temperature) is January (16°C).

Average pressure in September
Ban Dang, Laos
  • Average pressure in September: 1008.1mbar

The month with the highest atmospheric pressure is January (1015.6mbar).
The month with the lowest atmospheric pressure is July (1005.5mbar).

Average wind speed in September
Ban Dang, Laos
  • Average wind speed in September: 5.6km/h

The windiest month (with the highest average wind speed) is December (8.7km/h).
The calmest month (with the lowest average wind speed) is September (5.6km/h).

Average humidity in September
Ban Dang, Laos
  • Average humidity in September: 82%

The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is March (55%).

Average rainfall in September
Ban Dang, Laos
  • Average rainfall in September: 200mm

The wettest month (with the highest rainfall) is August (394mm).
The driest month (with the least rainfall) is December (3mm).

Average rainfall days in September
Ban Dang, Laos
  • Average rainfall days in September: 23.6 days

The month with the highest number of rainy days is July (29.3 days).
The month with the least rainy days is December (1.9 days).

Average daylight in September /
Average sunshine in September
Ban Dang, Laos
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is April (Average sunshine: 11h and 12min).
The month with the least sunshine is July (Average sunshine: 7h and 6min).

Average sunshine days in September
Ban Dang, Laos
  • Average sunshine days in September: 4.8 days

The month with the most sunshine days is December (28.1 days).
The month with the least sunshine days is August (1 days).

Average UV index in September
Ban Dang, Laos
  • Average UV index in September: 7

The months with the highest UV index are February, March, April, May, June, August and September (UV index 7).
The months with the lowest UV index are January, July, October, November and December (UV index 6).

Average cloud cover in September
Ban Dang, Laos
  • Average cloud cover in September: 44

The month with the most cloud cover is July (Cloud cover 59).
The month with the least cloud cover is February (Cloud cover 15).

Average visibility in September
Ban Dang, Laos
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, October, November and December (10km).
The months with the lowest visibility are July and August (8km).

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