September weather forecastBan Nagnôm, Laos

Weather in September

September brings about a slight break in monsoon season in Ban Nagnôm, as rainfall starts to recede. Simultaneously, the temperature, cloudiness, and humidity remain stable compared to August, leading to sultry weather conditions prevailing. The days start losing daylight slowly with a narrow reduction in sunshine hours as well. September signals the slow departure of the intense monsoon season, and a gradual transition to a moderate weather condition.

Temperature

Ban Nagnôm experiences an average high-temperature of a tropical 30.9°C (87.6°F) in September, marking an insignificant shift from 29.3°C (84.7°F) in August. Throughout September, Ban Nagnôm anticipates an average low-temperature of 21.9°C (71.4°F).

Heat index

The heat index value for September is estimated at a scorching 42°C (107.6°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. 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.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

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

Rainfall

In September, the rain falls for 22.9 days. Throughout September, 192mm (7.56") of precipitation is accumulated. In Ban Nagnôm, during the entire year, the rain falls for 183.2 days and collects up to 1162mm (45.75") of precipitation.

Daylight

The average length of the day in September is 12h and 14min.
On the first day of the month, sunrise is at 05:43 and sunset at 18:10. On the last day of September, sunrise is at 05:47 and sunset at 17:46 +07.

Sunshine

In September, the average sunshine is 7.5h.

UV index

In Ban Nagnôm, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during September, leads to the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. 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. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.