September weather forecast
Trung Môn, Vietnam

The first month of the autumn, September, is also a hot month in Trung Môn, Vietnam, with temperature in the range of an average low of 23.2°C (73.8°F) and an average high of 30.9°C (87.6°F).

Temperature

With September's arrival, Trung Môn's weather records an average high-temperature of a still tropical 30.9°C (87.6°F), marking little difference from August's 31.9°C (89.4°F). Throughout the nights in September, Trung Môn experiences an average low-temperature of 23.2°C (73.8°F).

Heat index

The average heat index in September is evaluated at a blistering 42°C (107.6°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Understanding the heat index involves considering values for shaded locales with light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

August and September, with an average relative humidity of 83%, are the most humid months.

Rainfall

In September, the rain falls for 22.4 days. Throughout September, 204mm (8.03") of precipitation is accumulated. In Trung Môn, Vietnam, during the entire year, the rain falls for 236.6 days and collects up to 1444mm (56.85") of precipitation.

Daylight

The average length of the day in September is 12h and 16min.
On the first day of the month, sunrise is at 05:42 and sunset at 18:16. On the last day of September, sunrise is at 05:50 and sunset at 17:48 +07.

Sunshine

The average sunshine in September is 8.3h.

UV index

In Trung Môn, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.