September weather forecast
Ban Chom, Laos

Transitioning from August to September, Ban Chom, Laos exhibits a pattern where weather begins departing from peak monsoon conditions. The cloud coverage begins to clear, paving the way for brighter days. Notably, rainfall drops to 338mm (13.31"), significantly less than in August. Additionally, the winds seem to slow down, and relative humidity reduces marginally. Despite the monsoon fading, September plays host to Ban Chom's impressive post-monsoon weather.

Temperature

September welcomes an average high-temperature of a still moderately hot 29.3°C (84.7°F), not much different from the preceding month. Ban Chom throughout September, records an average low-temperature of 20.5°C (68.9°F).

Heat index

In September, the heat index is calculated to be a fiery hot 37°C (98.6°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

In September, the average relative humidity is 87%.

Rainfall

In Ban Chom, during September, the rain falls for 30 days and regularly aggregates up to 338mm (13.31") of precipitation. Throughout the year, in Ban Chom, Laos, there are 258.1 rainfall days, and 2118mm (83.39") of precipitation is accumulated.

Daylight

The average length of the day in September in Ban Chom is 12h and 13min.
On the first day of September in Ban Chom, Laos, sunrise is at 05:39 and sunset at 18:03. On the last day of the month, sunrise is at 05:41 and sunset at 17:42 +07.

Sunshine

In Ban Chom, the average sunshine in September is 7h.

UV index

The average daily maximum UV index in September in Ban Chom is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: During September, 6 as the daily maximum UV index converts into the following advice:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.