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 109mm (4.29"). September hence breaks away from the monsoon mold, paving the way for the subsequent dry season.

Temperature

Ban Khong marks the onset of September with an average high-temperature of a still moderately hot 27.4°C (81.3°F), subtly divergent from August's 27.2°C (81°F). In September, the average low-temperature in Ban Khong records at a refreshing 16.8°C (62.2°F) during the nights.

Heat index

In September, the average heat index is evaluated at a tropical 31°C (87.8°F). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

In Ban Khong, the average relative humidity in September is 85%.

Rainfall

In Ban Khong, in September, it is raining for 24.6 days, with typically 109mm (4.29") of accumulated precipitation. In Ban Khong, during the entire year, the rain falls for 214.1 days and collects up to 1099mm (43.27") of precipitation.

Daylight

In September, the average length of the day in Ban Khong 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

The months with the highest UV index are February through April, June and September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.