Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Temperatures reach their minimum during July through September, recording an average high-temperature of 27.7°C (81.9°F).Heat index
September's mean heat index is computed to be a tropical 31°C (87.8°F). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
June through September, with an average relative humidity of 78%, are the most humid months.Rainfall
In Alele, in September, it is raining for 20.8 days, with typically 82mm (3.23") of accumulated precipitation. In Alele, during the entire year, the rain falls for 285.2 days and collects up to 2066mm (81.34") of precipitation.Daylight
The average length of the day in September is 12h and 2min.On the first day of the month, sunrise is at 05:48 and sunset at 17:40. On the last day of September, sunrise is at 05:27 and sunset at 17:40 +12.
Sunshine
The average sunshine in September is 7.6h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 7 in September translates into this advice:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What are the temperatures in September?
What are the most humid months?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Alele have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Alele have in September?
When is the highest UV index?
What is the month with the lowest UV index?
How high is the UV index in September?
Average temperature in September
Alele, Wallis and Futuna
- Average high temperature in September: 27.7°C
The warmest months (with the highest average high temperature) are February and March (29.1°C).
The months with the lowest average high temperature are July, August and September (27.7°C).
- Average low temperature in September: 26.9°C
The month with the highest average low temperature is March (28.2°C).
The coldest month (with the lowest average low temperature) is August (26.8°C).
Average pressure in September
Alele, Wallis and Futuna
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is September (1011.9mbar).
The month with the lowest atmospheric pressure is January (1007.1mbar).
Average wind speed in September
Alele, Wallis and Futuna
- Average wind speed in September: 25.4km/h
The windiest month (with the highest average wind speed) is July (27.2km/h).
The calmest month (with the lowest average wind speed) is March (17.2km/h).
Average humidity in September
Alele, Wallis and Futuna
- Average humidity in September: 78%
The months with the highest relative humidity are June, July, August and September (78%).
The month with the lowest relative humidity is March (75%).
Average rainfall in September
Alele, Wallis and Futuna
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is February (405mm).
The driest month (with the least rainfall) is August (67mm).
Average rainfall days in September
Alele, Wallis and Futuna
- Average rainfall days in September: 20.8 days
The month with the highest number of rainy days is December (28.2 days).
The month with the least rainy days is July (19.1 days).
Average daylight in September /
Average sunshine in September
Alele, Wallis and Futuna
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is January (Average sunshine: 9h and 18min).
The months with the least sunshine are June and July (Average sunshine: 5h and 42min).
Average sunshine days in September
Alele, Wallis and Futuna
- Average sunshine days in September: 6.8 days
The month with the most sunshine days is July (9.3 days).
The month with the least sunshine days is December (1.5 days).
Average UV index in September
Alele, 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
Alele, Wallis and Futuna
- Average cloud cover in September: 46
The month with the most cloud cover is August (Cloud cover 49).
The months with the least cloud cover are March, April and May (Cloud cover 44).
Average visibility in September
Alele, Wallis and Futuna
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
