September weather forecastSédjè, Benin
September
Weather in September
September, the first month of the autumn in Sédjè, is still a warm month, with an average temperature fluctuating between 29.3°C (84.7°F) and 23.8°C (74.8°F).Temperature
Upon the onset of September, Sédjè witnesses an average high-temperature of a still warm 29.3°C (84.7°F), showing a close resemblance to the prior month. Sédjè observes an average low-temperature of 23.8°C (74.8°F) during September.Heat index
In September, the heat index is computed to be a very hot 36°C (96.8°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
The months with the highest humidity are July through September, with an average relative humidity of 81%.Rainfall
In Sédjè, in September, it is raining for 19.8 days, with typically 79mm (3.11") of accumulated precipitation. In Sédjè, during the entire year, the rain falls for 149.3 days and collects up to 496mm (19.53") of precipitation.Daylight
In Sédjè, the average length of the day in September is 12h and 10min.On the first day of September, sunrise is at 06:43 and sunset at 18:57. On the last day of the month, sunrise is at 06:38 and sunset at 18:42 WAT.
Sunshine
In Sédjè, the average sunshine in September is 6.1h.UV index
The months with the lowest UV index are June, July and September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sédjè, Benin
- Average high temperature in September: 29.3°C
The warmest month (with the highest average high temperature) is January (33.8°C).
The month with the lowest average high temperature is August (28.7°C).
- Average low temperature in September: 23.8°C
The month with the highest average low temperature is April (26.8°C).
The coldest month (with the lowest average low temperature) is August (23.4°C).
Average pressure in September
Sédjè, Benin
- Average pressure in September: 1012.5mbar
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
Sédjè, Benin
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is August (13.4km/h).
The calmest month (with the lowest average wind speed) is December (8.8km/h).
Average humidity in September
Sédjè, Benin
- Average humidity in September: 81%
The months with the highest relative humidity are July, August and September (81%).
The month with the lowest relative humidity is January (67%).
Average rainfall in September
Sédjè, Benin
- Average rainfall in September: 79mm
The wettest months (with the highest rainfall) are June and July (110mm).
The driest month (with the least rainfall) is December (7mm).
Average rainfall days in September
Sédjè, Benin
- Average rainfall days in September: 19.8 days
The month with the highest number of rainy days is July (23.9 days).
The month with the least rainy days is January (4.8 days).
Average daylight in September /
Average sunshine in September
Sédjè, Benin
- Average daylight in September: 12h and 12min
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 42min).
- Average sunshine in September: 6h and 6min
The month with the most sunshine is December (Average sunshine: 9h and 42min).
The month with the least sunshine is July (Average sunshine: 5h and 24min).
Average sunshine days in September
Sédjè, Benin
- Average sunshine days in September: 7.8 days
The month with the most sunshine days is January (24.9 days).
The month with the least sunshine days is July (4.5 days).
Average UV index in September
Sédjè, Benin
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, August, October, November and December (UV index 7).
The months with the lowest UV index are June, July and September (UV index 6).
Average cloud cover in September
Sédjè, Benin
- Average cloud cover in September: 57
The month with the most cloud cover is August (Cloud cover 61).
The month with the least cloud cover is December (Cloud cover 15).
Average visibility in September
Sédjè, Benin
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





