September weather forecast
Ban Khong, Laos

The arrival of September signifies the gradual retreat of the wet season as Ban Khong's weather begins to transition yet again. As rainfall reduces, an upturn in the sunshine hours is perceived, enriching the city with increased sunlight. However, humidity levels and cloud cover remain significant, reminding visitors and residents alike of the recent departure of the monsoon season. The notable change in weather is reflected through the significant decrease in rainfall to 4.29". September hence breaks away from the monsoon mold, paving the way for the subsequent dry season.

Temperature

September begins with an average high-temperature of a still warm 81.3°F, reflecting close similarity to the preceding month. In September, Ban Khong experiences an average nighttime temperature of 62.2°F.

Heat index

During September, the heat index is computed to be a hot 87.8°F. Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

In September, the average relative humidity is 85%.

Rainfall

In Ban Khong, in September, it is raining for 24.6 days, with typically 4.29" of accumulated precipitation. In Ban Khong, during the entire year, the rain falls for 214.1 days and collects up to 43.27" of precipitation.

Daylight

In September, the average length of the day is 12h and 16min.
On the first day of September, sunrise is at 05:49 and sunset at 18:20. On the last day of the month, sunrise is at 05:55 and sunset at 17:54 +07.

Sunshine

The average sunshine in September is 8.1h.

UV index

February through April, June and September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 6 during September leads to these advisories:
Resist overexposure. Safeguarding from solar damage is indispensable. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.