September weather forecastThanh Ba, Vietnam

September

Weather in September

September, the first month of the autumn in Thanh Ba, is also a hot month, with an average temperature ranging between max 30.9°C (87.6°F) and min 23.2°C (73.8°F).

Temperature

At the start of September, Thanh Ba's average high-temperature reaches a still hot 30.9°C (87.6°F), subtly different from the preceding month. Nighttime temperature dips to a mean of 23.2°C (73.8°F) during September.

Heat index

In September, the heat index is calculated to be a blistering 42°C (107.6°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

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

Rainfall

In September, the rain falls for 22.4 days. Throughout September, 204mm (8.03") of precipitation is accumulated. Throughout the year, there are 236.6 rainfall days, and 1444mm (56.85") of precipitation is accumulated.

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 18:15. On the last day of September, sunrise is at 05:50 and sunset at 17:48 +07.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In Thanh Ba, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 in September interprets into the following advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 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 provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Updated: Aug 23, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In September, in Thanh Ba, the average high-temperature is 30.9°C (87.6°F), and the average low-temperature is 23.2°C (73.8°F). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in September is calculated to be 42°C (107.6°F).

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

In Thanh Ba, the average relative humidity in September is 83%.

In Thanh Ba, Vietnam, during September, the rain falls for 22.4 days and regularly aggregates up to 204mm (8.03") of precipitation.

The average day length in September is 12h and 16min.

In September, on the first day of the month, sunrise is at 05:42 and sunset at 18:15. On the last day of the month, sunrise is at 05:50 and sunset at 17:48 +07.

The average sunshine duration in September is 8.3h.

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

31.9°C

30.9°C

28.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6km/h

5.3km/h

6.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

11.8

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Thanh Ba, Vietnam

Average high temperature in September: 30.9°C

The warmest month (with the highest average high temperature) is June (34.1°C).
The month with the lowest average high temperature is January (20.1°C).

Average low temperature in September: 23.2°C

The month with the highest average low temperature is June (25.4°C).
The coldest month (with the lowest average low temperature) is January (13.7°C).

Average pressure in September
Thanh Ba, Vietnam

Average pressure in September: 1009mbar

The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is June (1003.4mbar).

Average wind speed in September
Thanh Ba, Vietnam

Average wind speed in September: 5km/h

The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest month (with the lowest average wind speed) is September (5km/h).

Average humidity in September
Thanh Ba, Vietnam

Average humidity in September: 83%

The months with the highest relative humidity are August and September (83%).
The month with the lowest relative humidity is February (71%).

Average rainfall in September
Thanh Ba, Vietnam

Average rainfall in September: 204mm

The wettest month (with the highest rainfall) is August (317mm).
The driest month (with the least rainfall) is February (15mm).

Average rainfall days in September
Thanh Ba, Vietnam

Average rainfall days in September: 22.4 days

The month with the highest number of rainy days is July (28.3 days).
The month with the least rainy days is February (12.8 days).

Average daylight in September /
Average sunshine in September
Thanh Ba, Vietnam

Average daylight in September: 12h and 18min

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).

Average sunshine in September: 8h and 18min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Thanh Ba, Vietnam

Average sunshine days in September: 6 days

The month with the most sunshine days is December (15.5 days).
The month with the least sunshine days is July (2.3 days).

Average UV index in September
Thanh Ba, Vietnam

Average UV index in September: 6

The months with the highest UV index are April, May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in September
Thanh Ba, Vietnam

Average cloud cover in September: 47

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is June (Cloud cover 42).

Average visibility in September
Thanh Ba, Vietnam

Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, May, June, October, November and December (9km).
The months with the lowest visibility are July, August and September (8km).