September weather forecastÔ Môn, Vietnam
September
Weather in September
September, the first month of the autumn in Ô Môn, is also a hot month, with temperature in the range of an average high of 31.3°C (88.3°F) and an average low of 25°C (77°F).Temperature
September's weather displays an average high-temperature of a still tropical 31.3°C (88.3°F), slightly varied from August's 32.1°C (89.8°F). An average minimum temperature of 25°C (77°F) is recorded during the month of September.Heat index
September's mean heat index is estimated at a blistering 42°C (107.6°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Factoring in the heat index, values are geared towards shaded areas with light 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', marries air temperature and humidity to produce a value illustrating perceived warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In Ô Môn, the average relative humidity in September is 80%.Rainfall
In Ô Môn, during September, the rain falls for 16 days and regularly aggregates up to 37mm (1.46") of precipitation. Throughout the year, there are 165.5 rainfall days, and 394mm (15.51") of precipitation is accumulated.Daylight
In Ô Môn, the average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 05:48 and sunset at 18:06. On the last day of September, in Ô Môn, sunrise is at 05:46 and sunset at 17:48 +07.
Sunshine
In Ô Môn, Vietnam, the average sunshine in September is 7.6h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 7 in September leads to these recommendations:
Fend off overexposure. Sun protection is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ô Môn, Vietnam
- Average high temperature in September: 31.3°C
The warmest month (with the highest average high temperature) is April (35.2°C).
The month with the lowest average high temperature is December (30.7°C).
- Average low temperature in September: 25°C
The month with the highest average low temperature is May (26.7°C).
The coldest month (with the lowest average low temperature) is January (22.1°C).
Average pressure in September
Ô Môn, Vietnam
- Average pressure in September: 1008.5mbar
The month with the highest atmospheric pressure is January (1011.5mbar).
The months with the lowest atmospheric pressure are June and July (1007.8mbar).
Average wind speed in September
Ô Môn, Vietnam
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is February (13.7km/h).
The calmest month (with the lowest average wind speed) is October (9.3km/h).
Average humidity in September
Ô Môn, Vietnam
- Average humidity in September: 80%
The month with the highest relative humidity is October (81%).
The month with the lowest relative humidity is March (65%).
Average rainfall in September
Ô Môn, Vietnam
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is October (64mm).
The driest month (with the least rainfall) is February (4mm).
Average rainfall days in September
Ô Môn, Vietnam
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is October (19.6 days).
The month with the least rainy days is February (4 days).
Average daylight in September /
Average sunshine in September
Ô Môn, Vietnam
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is April (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Ô Môn, Vietnam
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is February (22.6 days).
The month with the least sunshine days is October (8.7 days).
Average UV index in September
Ô Môn, Vietnam
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Ô Môn, Vietnam
- Average cloud cover in September: 48
The month with the most cloud cover is September (Cloud cover 48).
The month with the least cloud cover is February (Cloud cover 25).
Average visibility in September
Ô Môn, Vietnam
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, August and December (10km).
The months with the lowest visibility are June, July, September, October and November (9km).
