September weather forecast
A Kleum, Laos

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Weather in September

September in A Kleum, Laos, indicates the gradual withdrawal of the monsoon. From the peaks of August, the rainfall and relative humidity decrease significantly but still holds a prominent role. While the cloud cover abates slightly, the amount of sunlight per day goes up a notch. The light breeze playing throughout the region remains unaltered since August. There is a modest rise in temperature, fluctuating from 20.5°C (68.9°F) to 29.5°C (85.1°F), forecasting the end of the monsoon period.

Temperature

A Kleum records an average high-temperature of a still moderately hot 29.5°C (85.1°F) as September arrives, nearly mirroring the previous month's climate. An average nighttime temperature of 20.5°C (68.9°F) is observed in A Kleum, Laos, during September.

Heat index

The heat index in September is estimated at a fiery hot 38°C (100.4°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

The average relative humidity in September is 86%.

Rainfall

In A Kleum, in September, it is raining for 28.2 days, with typically 224mm (8.82") of accumulated precipitation. Throughout the year, in A Kleum, Laos, there are 225.6 rainfall days, and 1289mm (50.75") of precipitation is accumulated.

Daylight

The average length of the day in September in A Kleum is 12h and 14min.
On the first day of the month, sunrise is at 05:38 and sunset at 18:04. On the last day of September, in A Kleum, sunrise is at 05:41 and sunset at 17:41 +07.

Sunshine

The average sunshine in September in A Kleum is 8h.

UV index

The average daily maximum UV index in September in A Kleum is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: During September, 6 as the daily maximum UV index converts into the following advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

How hot is it in A Kleum in September?

The high-temperature in A Kleum, Laos, during September is 29.5°C (85.1°F) and the low-temperature is 20.5°C (68.9°F). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in September is estimated at 38°C (100.4°F).

What is the average humidity in September in A Kleum?

In A Kleum, the average relative humidity in September is 86%.

How much does it rain in A Kleum in September?

In A Kleum, in September, it is raining for 28.2 days, with typically 224mm (8.82") of accumulated precipitation.

What is the average length of the day in September in A Kleum?

The average day length in September in A Kleum, Laos, is 12h and 14min.

When is the sunrise / sunset in September in A Kleum?

In September, on the first day of the month, sunrise is at 05:38 and sunset at 18:04. On the last day of the month, sunrise is at 05:41 and sunset at 17:41 +07.

How long on average sun shines in September in A Kleum?

In September, the average sunshine duration in A Kleum, Laos, is 8h.

What is the UV index intensity in September in A Kleum?

In A Kleum, Laos, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
A Kleum, Laos

Average temperature in September - A Kleum, Laos
  • Average high temperature in September: 29.5°C

The warmest month (with the highest average high temperature) is April (34.3°C).
The month with the lowest average high temperature is December (28.3°C).

  • Average low temperature in September: 20.5°C

The month with the highest average low temperature is May (22.1°C).
The coldest month (with the lowest average low temperature) is January (15.3°C).

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Average pressure in September
A Kleum, Laos

Average pressure in September - A Kleum, Laos
  • Average pressure in September: 1008.3mbar

The month with the highest atmospheric pressure is January (1015mbar).
The month with the lowest atmospheric pressure is July (1006.7mbar).

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Average wind speed in September
A Kleum, Laos

Average wind speed in September - A Kleum, Laos
  • Average wind speed in September: 4.1km/h

The windiest month (with the highest average wind speed) is December (6.2km/h).
The calmest month (with the lowest average wind speed) is September (4.1km/h).

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Average humidity in September
A Kleum, Laos

Average humidity in September - A Kleum, Laos
  • Average humidity in September: 86%

The month with the highest relative humidity is August (89%).
The month with the lowest relative humidity is March (60%).

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Average rainfall in September
A Kleum, Laos

Average rainfall in September - A Kleum, Laos
  • Average rainfall in September: 224mm

The wettest month (with the highest rainfall) is August (287mm).
The driest month (with the least rainfall) is January (6mm).

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Average rainfall days in September
A Kleum, Laos

Average rainfall days in September - A Kleum, Laos
  • Average rainfall days in September: 28.2 days

The month with the highest number of rainy days is July (30.3 days).
The month with the least rainy days is February (4.1 days).

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Average daylight in September /
Average sunshine in September
A Kleum, Laos

Average daylight in September / Average sunshine in September - A Kleum, Laos
  • Average daylight in September: 12h and 1min

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

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is July (Average sunshine: 6h and 42min).

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Average sunshine days in September
A Kleum, Laos

Average sunshine days in September - A Kleum, Laos
  • Average sunshine days in September: 1 days

The month with the most sunshine days is December (25.3 days).
The month with the least sunshine days is August (0.4 days).

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Average UV index in September
A Kleum, Laos

Average UV index in September - A Kleum, Laos
  • Average UV index in September: 6

The months with the highest UV index are February, March, April and May (UV index 7).
The months with the lowest UV index are July and December (UV index 5).

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Average cloud cover in September
A Kleum, Laos

Average cloud cover in September - A Kleum, Laos
  • Average cloud cover in September: 50

The months with the most cloud cover are July and August (Cloud cover 63).
The month with the least cloud cover is February (Cloud cover 15).

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Average visibility in September
A Kleum, Laos

Average visibility in September - A Kleum, Laos
  • Average visibility in September: 7km

The months with the highest visibility are February and March (10km).
The months with the lowest visibility are July, August, September, October and November (7km).

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A Kleum, Laos

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