September weather forecast
Vele, Wallis and Futuna

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Weather in September

As Vele steps into September, it witnesses the weather patterns beginning to shift once again. The occurrences of sunshine persistently increase, with this sun-drenched month witnessing an extended 9 hours of sunlight on average. Although temperatures rise modestly, there is ample relief provided by the wind as it continues to gently stir the atmosphere. Alongside, a pattern of increasing rainfall fosters the lush greenery characteristic to the city’s image. As September ends, residents look forward to October, heralding the onset of the climactic year-end drama.

Temperature

Vele's average high-temperature in September is a still moderately hot 27.3°C (81.1°F), indicating a subtle variation from August. The nighttime temperature in September experiences a minor dip, averaging a still moderately hot 26.5°C (79.7°F).

Heat index

In September, the heat index is calculated to be a hot 30°C (86°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

The months with the highest humidity in Vele are June through September, with an average relative humidity of 79%.

Rainfall

In Vele, in September, during 22.3 rainfall days, 90mm (3.54") of precipitation is typically accumulated. Throughout the year, there are 294.6 rainfall days, and 2108mm (82.99") of precipitation is accumulated.

Daylight

In Vele, the average length of the day in September is 12h and 2min.
On the first day of September, sunrise is at 05:56 and sunset at 17:47. On the last day of the month, sunrise is at 05:35 and sunset at 17:48 +12.

Sunshine

In Vele, the average sunshine in September is 6.9h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 7 in September transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What are the temperatures in September?

September temperatures vary between a high-temperature of 27.3°C (81.1°F) and a low-temperature of 26.5°C (79.7°F). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 30°C (86°F).

What is the most humid month?

June through September, with an average relative humidity of 79%, are most humid months in Vele.

What is the average humidity in September?

In September, the average relative humidity is 79%.

How much does it rain in September?

In Vele, in September, during 22.3 rainfall days, 90mm (3.54") of precipitation is typically accumulated.

How many hours of daylight does Vele have in September?

The average day length in September is 12h and 2min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 05:56 and sunset at 17:47. On the last day of the month, sunrise is at 05:35 and sunset at 17:48 +12.

How long on average sun shines in September in Vele?

The average sunshine duration in September is 6.9h.

When is the highest UV index in Vele?

January through December, with an average maximum UV index of 7, are months with the highest UV index in Vele.

When is the lowest UV index?

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

How high is the UV index in September?

The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.

Average temperature in September
Vele, Wallis and Futuna

Average temperature in September - Vele, Wallis and Futuna
  • Average high temperature in September: 27.3°C

The warmest month (with the highest average high temperature) is February (29.2°C).
The months with the lowest average high temperature are July and August (27.2°C).

  • Average low temperature in September: 26.5°C

The month with the highest average low temperature is January (28.2°C).
The coldest month (with the lowest average low temperature) is July (25.7°C).

Average pressure in September
Vele, Wallis and Futuna

Average pressure in September - Vele, Wallis and Futuna
  • Average pressure in September: 1012.4mbar

The month with the highest atmospheric pressure is September (1012.4mbar).
The month with the lowest atmospheric pressure is January (1007mbar).

Average wind speed in September
Vele, Wallis and Futuna

Average wind speed in September - Vele, Wallis and Futuna
  • Average wind speed in September: 26.6km/h

The windiest month (with the highest average wind speed) is July (28.5km/h).
The calmest month (with the lowest average wind speed) is March (18.6km/h).

Average humidity in September
Vele, Wallis and Futuna

Average humidity in September - Vele, Wallis and Futuna
  • Average humidity in September: 79%

The months with the highest relative humidity are June, July, August and September (79%).
The months with the lowest relative humidity are January, February and March (76%).

Average rainfall in September
Vele, Wallis and Futuna

Average rainfall in September - Vele, Wallis and Futuna
  • Average rainfall in September: 90mm

The wettest month (with the highest rainfall) is February (288mm).
The driest month (with the least rainfall) is August (78mm).

Average rainfall days in September
Vele, Wallis and Futuna

Average rainfall days in September - Vele, Wallis and Futuna
  • Average rainfall days in September: 22.3 days

The month with the highest number of rainy days is March (27.1 days).
The month with the least rainy days is September (22.3 days).

Average daylight in September /
Average sunshine in September
Vele, Wallis and Futuna

Average daylight in September / Average sunshine in September - Vele, Wallis and Futuna
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).

  • Average sunshine in September: 6h and 5min

The month with the most sunshine is January (Average sunshine: 9h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).

Average sunshine days in September
Vele, Wallis and Futuna

Average sunshine days in September - Vele, Wallis and Futuna
  • Average sunshine days in September: 3.4 days

The month with the most sunshine days is October (4.3 days).
The month with the least sunshine days is February (2.2 days).

Average UV index in September
Vele, Wallis and Futuna

Average UV index in September - Vele, Wallis and Futuna
  • 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
Vele, Wallis and Futuna

Average cloud cover in September - Vele, Wallis and Futuna
  • Average cloud cover in September: 51

The month with the most cloud cover is August (Cloud cover 54).
The months with the least cloud cover are January and March (Cloud cover 45).

Average visibility in September
Vele, Wallis and Futuna

Average visibility in September - Vele, Wallis and Futuna
  • Average visibility in September: 10km

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

Vele, Wallis and Futuna

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