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 snowfall 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
Weather in September
Temperature
A minor adjustment in Hévié's average high-temperature is noted with the start of September, touching a still warm 28.2°C (82.8°F) from August's 27.4°C (81.3°F). In Hévié, the nighttime temperature in September descends gently to an average of 23.9°C (75°F).Heat index
Throughout September, the heat index is appraised at a hot 33°C (91.4°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
The months with the highest humidity are August and September, with an average relative humidity of 84%.Rainfall
In September, the rain falls for 24.5 days. Throughout September, 89mm (3.5") of precipitation is accumulated. In Hévié, during the entire year, the rain falls for 220.8 days and collects up to 678mm (26.69") of precipitation.Snowfall
September is the only month when snow falls. The month with the most snowfall days is September, when snow falls for 0.1 days.Daylight
In September, the average length of the day is 12h and 9min.On the first day of the month, sunrise is at 06:43 and sunset at 18:57. On the last day of September, sunrise is at 06:38 and sunset at 18:42 WAT.
Sunshine
In September, the average sunshine in Hévié is 7.3h.UV index
January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 7 during September translates into the following directions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How hot does it get in Hévié in September?
What are the most humid months in Hévié?
What is the average humidity in September in Hévié?
How many days does it rain in September in Hévié?
What is the snowiest month in Hévié?
When does it start to snow in Hévié?
What is the average length of the day in September in Hévié?
What time are sunrise and sunset in September in Hévié?
How long on average sun shines in September in Hévié?
When is the highest UV index in Hévié?
What is the UV index reading in September in Hévié?
Average temperature in September
Hévié, Benin
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is March (32.2°C).
The month with the lowest average high temperature is August (27.4°C).
- Average low temperature in September: 23.9°C
The month with the highest average low temperature is April (26.9°C).
The coldest month (with the lowest average low temperature) is August (23.3°C).
Average pressure in September
Hévié, Benin
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is July (1013.4mbar).
The months with the lowest atmospheric pressure are February and March (1009.4mbar).
Average wind speed in September
Hévié, Benin
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is August (15.7km/h).
The calmest month (with the lowest average wind speed) is December (10.5km/h).
Average humidity in September
Hévié, Benin
- Average humidity in September: 84%
The months with the highest relative humidity are August and September (84%).
The month with the lowest relative humidity is January (71%).
Average rainfall in September
Hévié, Benin
- Average rainfall in September: 89mm
The wettest month (with the highest rainfall) is June (125mm).
The driest months (with the least rainfall) are January and December (16mm).
Average rainfall days in September
Hévié, Benin
- Average rainfall days in September: 24.5 days
The months with the highest number of rainy days are June and September (24.5 days).
The month with the least rainy days is January (8.8 days).
Average snowfall days in September
Hévié, Benin
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Hévié, Benin
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is January (Average sunshine: 9h and 42min).
The month with the least sunshine is July (Average sunshine: 6h and 18min).
Average sunshine days in September
Hévié, Benin
- Average sunshine days in September: 2.7 days
The month with the most sunshine days is January (18.4 days).
The month with the least sunshine days is September (2.7 days).
Average UV index in September
Hévié, Benin
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover in September
Hévié, Benin
- Average cloud cover in September: 51
The month with the most cloud cover is July (Cloud cover 56).
The month with the least cloud cover is December (Cloud cover 14).
Average visibility in September
Hévié, Benin
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Hévié, Benin
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