September weather forecast
An Ngãi, Vietnam

The first month of the autumn, September, is still a warm month in An Ngãi, Vietnam, with an average temperature varying between 29.7°C (85.5°F) and 26.2°C (79.2°F).

Temperature

The beginning of September records an average high-temperature of a moderately hot 29.7°C (85.5°F), marking a negligible difference from August's 30°C (86°F). Nights in September in An Ngãi, Vietnam, exhibit a minor reduction to an average low temperature of 26.2°C (79.2°F).

Heat index

In September, the heat index is appraised at a fiery hot 37°C (98.6°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

The months with the highest humidity are July through September, with an average relative humidity of 80%.

Rainfall

In An Ngãi, in September, during 27 rainfall days, 179mm (7.05") of precipitation is typically accumulated. Throughout the year, in An Ngãi, there are 217.5 rainfall days, and 1208mm (47.56") of precipitation is accumulated.

Daylight

In September, the average length of the day in An Ngãi is 12h and 11min.
On the first day of the month, sunrise is at 05:41 and sunset at 18:00. On the last day of September, sunrise is at 05:39 and sunset at 17:42 +07.

Sunshine

In September, the average sunshine in An Ngãi, Vietnam, is 7.9h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in An Ngãi are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 7 during September translates into these guidelines:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Experience reduced UV exposure by about half when donning a wide-brim hat.