September weather forecastBanikoara, Benin
September
Weather in September
September brings a transition to the weather of Banikoara. The onset of autumn is evident from decreased rainfall and humidity levels. Despite the dwindling frequencies of rainfall, the city experiences its fair share of showers and cloud cover. With a steady decline in rainfall volume and days, 66mm (2.6") and 17.6 days respectively, September signals a definitive end of the monsoon season. The return of longer sunshine hours rejuvenates the city's dynamic vibe, offering a promising prelude to the drier seasons.Temperature
The arrival of September in Banikoara is marked by an average high-temperature of a still hot 32.3°C (90.1°F), bearing a close resemblance to August. Throughout September, an average nighttime temperature of 22.7°C (72.9°F) is experienced in Banikoara.Heat index
The average heat index in September is computed to be a blisteringly hot 44°C (111.2°F). Be careful: Heat exhaustion and heat cramps are probable. Heatstroke may result from extended activity.In reference to the heat index, it's for places in shade and with a slight wind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
In Banikoara, Benin, the average relative humidity in September is 76%.Rainfall
In Banikoara, Benin, in September, it is raining for 17.6 days, with typically 66mm (2.6") of accumulated precipitation. In Banikoara, Benin, during the entire year, the rain falls for 103.6 days and collects up to 438mm (17.24") of precipitation.Daylight
In Banikoara, the average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 06:40 and sunset at 19:00. On the last day of September, in Banikoara, sunrise is at 06:39 and sunset at 18:41 WAT.
Sunshine
In September, the average sunshine in Banikoara is 8.9h.UV index
The average daily maximum UV index in September in Banikoara is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 7 during September morphs into the following directions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. 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. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Banikoara, Benin
- Average high temperature in September: 32.3°C
The warmest month (with the highest average high temperature) is April (41.8°C).
The month with the lowest average high temperature is August (30.7°C).
- Average low temperature in September: 22.7°C
The month with the highest average low temperature is May (27.2°C).
The coldest month (with the lowest average low temperature) is January (17.1°C).
Average pressure in September
Banikoara, Benin
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is August (1011.9mbar).
The month with the lowest atmospheric pressure is April (1007.5mbar).
Average wind speed in September
Banikoara, Benin
- Average wind speed in September: 6.5km/h
The windiest month (with the highest average wind speed) is May (9.7km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).
Average humidity in September
Banikoara, Benin
- Average humidity in September: 76%
The month with the highest relative humidity is August (80%).
The month with the lowest relative humidity is January (15%).
Average rainfall in September
Banikoara, Benin
- Average rainfall in September: 66mm
The wettest month (with the highest rainfall) is August (149mm).
The driest months (with the least rainfall) are January, November and December (0mm).
Average rainfall days in September
Banikoara, Benin
- Average rainfall days in September: 17.6 days
The month with the highest number of rainy days is August (23.8 days).
The months with the least rainy days are January, November and December (0.1 days).
Average daylight in September /
Average sunshine in September
Banikoara, Benin
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 8h and 54min
The months with the most sunshine are January, November and December (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 7h and 36min).
Average sunshine days in September
Banikoara, Benin
- Average sunshine days in September: 9 days
The months with the most sunshine days are January and December (30.9 days).
The month with the least sunshine days is August (5.3 days).
Average UV index in September
Banikoara, Benin
- Average UV index in September: 7
The months with the highest UV index are February, March, April and May (UV index 8).
The months with the lowest UV index are August and December (UV index 6).
Average cloud cover in September
Banikoara, Benin
- Average cloud cover in September: 32
The month with the most cloud cover is August (Cloud cover 46).
The month with the least cloud cover is December (Cloud cover 3).
Average visibility in September
Banikoara, Benin
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).





