September weather forecast
Huế, Vietnam

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The East Gate entrance into the Citadel in Hue, Vietnam, seen across an old moat
The East Gate entrance into the Citadel in Hue, Vietnam, seen across an old moat

Weather in September

September ushers in a significant change in the weather trends of Huế, with rainfall peaking for the year. The city gradually retreats from summer's peak heat and inches towards the refreshing coolness of the autumn season. The rainfall surges remarkably up to 170mm (6.69"), creating an enchanting vibe of the rain-soaked city. Tourists interested in enjoying heavy rainfall can plan their trip during this month. Despite the rainfall, exploring the ancient heritage sites and savoring local delicacies is always on the cards in Huế.

Temperature

Huế, Vietnam, records an average high-temperature of a still tropical 30.4°C (86.7°F) as September arrives, nearly mirroring the previous month's climate. Throughout September, an average low-temperature of 24.5°C (76.1°F) is expected.

Heat index

For September, the heat index is calculated to be a sweltering 39°C (102.2°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. 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 extremely significant for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Huế, Vietnam, in September, during 20.3 rainfall days, 170mm (6.69") of precipitation is typically accumulated. In Huế, during the entire year, the rain falls for 237.5 days and collects up to 1230mm (48.43") of precipitation.

Sea temperature

In Huế, the average seawater temperature in September is 28.9°C (84°F).
Note: Between the temperatures of 25°C (77°F) and 29°C (84.2°F), water is considered very warm, providing pleasure in water activities without discomfort over lengthy periods.

Daylight

In September, the average length of the day is 12h and 14min.
On the first day of September, sunrise is at 05:36 and sunset at 18:02. On the last day of the month, sunrise is at 05:39 and sunset at 17:39 +07.

Sunshine

In Huế, Vietnam, the average sunshine in September is 8.5h.

UV index

The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be alert! The reflection of water and sand augments UV radiation intensity.

Frequently asked questions

How hot is it in September?

In Huế, in September, the average high-temperature is 30.4°C (86.7°F), and the average low-temperature is 24.5°C (76.1°F). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 39°C (102.2°F).

What is the average humidity in September?

In Huế, Vietnam, the average relative humidity in September is 80%.

How much does it rain in September?

In Huế, during September, the rain falls for 20.3 days and regularly aggregates up to 170mm (6.69") of precipitation.

What is the sea water temperature in September?

In Huế, Vietnam, in September, the average water temperature is 28.9°C (84°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in September?

In Huế, the average day length in September is 12h and 14min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 05:36 and sunset at 18:02. On the last day of the month, sunrise is at 05:39 and sunset at 17:39 +07.

How long on average sun shines in September?

The average sunshine duration in September is 8.5h.

What is the month with the highest UV index?

April through September, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index intensity in September?

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

Average temperature in September
Huế, Vietnam

Average temperature in September - Huế, Vietnam
  • Average high temperature in September: 30.4°C

The warmest month (with the highest average high temperature) is June (33.2°C).
The month with the lowest average high temperature is January (22.8°C).

  • Average low temperature in September: 24.5°C

The month with the highest average low temperature is June (25.6°C).
The coldest month (with the lowest average low temperature) is January (18.8°C).

Average pressure in September
Huế, Vietnam

Average pressure in September - Huế, Vietnam
  • Average pressure in September: 1007.9mbar

The month with the highest atmospheric pressure is January (1016.5mbar).
The month with the lowest atmospheric pressure is July (1005.6mbar).

Average wind speed in September
Huế, Vietnam

Average wind speed in September - Huế, Vietnam
  • Average wind speed in September: 7.8km/h

The windiest months (with the highest average wind speed) are March, November and December (9.4km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).

Average humidity in September
Huế, Vietnam

Average humidity in September - Huế, Vietnam
  • Average humidity in September: 80%

The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is June (73%).

Average rainfall in September
Huế, Vietnam

Average rainfall in September - Huế, Vietnam
  • Average rainfall in September: 170mm

The wettest month (with the highest rainfall) is November (233mm).
The driest month (with the least rainfall) is June (31mm).

Average rainfall days in September
Huế, Vietnam

Average rainfall days in September - Huế, Vietnam
  • Average rainfall days in September: 20.3 days

The month with the highest number of rainy days is December (24.5 days).
The month with the least rainy days is February (15 days).

Average sea temperature in September
Huế, Vietnam

Average sea temperature in September - Huế, Vietnam
  • Average sea temperature in September: 28.9°C

The best month for swimming (with the highest average sea temperature) is July (29.8°C).
The coldest months (with the lowest average sea temperature) are February and March (22.8°C).

Average daylight in September /
Average sunshine in September
Huế, Vietnam

Average daylight in September / Average sunshine in September - Huế, Vietnam
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in September
Huế, Vietnam

Average sunshine days in September - Huế, Vietnam
  • Average sunshine days in September: 8.4 days

The month with the most sunshine days is June (13.1 days).
The month with the least sunshine days is November (4.3 days).

Average UV index in September
Huế, Vietnam

Average UV index in September - Huế, Vietnam
  • Average UV index in September: 7

The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, November and December (UV index 5).

Average cloud cover in September
Huế, Vietnam

Average cloud cover in September - Huế, Vietnam
  • Average cloud cover in September: 37

The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are May and June (Cloud cover 30).

Average visibility in September
Huế, Vietnam

Average visibility in September - Huế, Vietnam
  • Average visibility in September: 10km

The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, October, November and December (9km).

Huế, Vietnam

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