September weather forecastBembereke, Benin
September
Weather in September
In September, the weather begins to shift in Bembereke, Benin. A significant drop in rainfall marks the gradual retreat of the monsoon season, from an intense 140mm (5.51") in August to a more manageable 100mm (3.94"). Temperature and humidity follow a similar pattern, with a subtle hint towards a dryer and hotter climate in the upcoming months. Looking ahead, October is expected to hold onto this shift, slowly progressing towards an entirely different weather landscape. These changes indicate an upcoming preparation phase for the dry months of November and December.Temperature
September's arrival brings an average high-temperature of a still warm 29.4°C (84.9°F), slightly deviating from August's 28.4°C (83.1°F). Bembereke, in September, witnesses an average low-temperature of 21.9°C (71.4°F).Heat index
September's average heat index is calculated to be a fiery hot 37°C (98.6°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
In Bembereke, the average relative humidity in September is 85%.Rainfall
In Bembereke, during September, the rain falls for 23.5 days and regularly aggregates up to 100mm (3.94") of precipitation. In Bembereke, during the entire year, the rain falls for 139.7 days and collects up to 607mm (23.9") of precipitation.Daylight
In September, the average length of the day is 12h and 11min.On the first day of September in Bembereke, sunrise is at 06:39 and sunset at 18:58. On the last day of the month, sunrise is at 06:37 and sunset at 18:40 WAT.
Sunshine
In September, the average sunshine is 7.4h.UV index
In Bembereke, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 7 in September translates into the following instructions:
Guard oneself from overexposure. Defence against sun injury is vital. 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. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bembereke, Benin
- Average high temperature in September: 29.4°C
The warmest month (with the highest average high temperature) is March (39.2°C).
The month with the lowest average high temperature is August (28.4°C).
- Average low temperature in September: 21.9°C
The month with the highest average low temperature is April (24.8°C).
The coldest month (with the lowest average low temperature) is January (18.7°C).
Average pressure in September
Bembereke, Benin
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is July (1013mbar).
The month with the lowest atmospheric pressure is March (1008.7mbar).
Average wind speed in September
Bembereke, Benin
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is April (9.3km/h).
The calmest month (with the lowest average wind speed) is November (5.9km/h).
Average humidity in September
Bembereke, Benin
- Average humidity in September: 85%
The month with the highest relative humidity is August (87%).
The month with the lowest relative humidity is January (22%).
Average rainfall in September
Bembereke, Benin
- Average rainfall in September: 100mm
The wettest month (with the highest rainfall) is August (140mm).
The driest month (with the least rainfall) is December (0mm).
Average rainfall days in September
Bembereke, Benin
- Average rainfall days in September: 23.5 days
The month with the highest number of rainy days is August (25.1 days).
The month with the least rainy days is December (0.3 days).
Average daylight in September /
Average sunshine in September
Bembereke, Benin
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 7h and 24min
The months with the most sunshine are January and December (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 6h and 6min).
Average sunshine days in September
Bembereke, Benin
- Average sunshine days in September: 4.5 days
The month with the most sunshine days is December (30.5 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in September
Bembereke, Benin
- Average UV index in September: 7
The months with the highest UV index are March and April (UV index 8).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover in September
Bembereke, Benin
- Average cloud cover in September: 52
The month with the most cloud cover is August (Cloud cover 63).
The month with the least cloud cover is December (Cloud cover 3).
Average visibility in September
Bembereke, Benin
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are August and September (7km).





