September weather forecastNgmellang, Benin
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Ngmellang, Benin, with an average temperature varying between 21.9°C (71.4°F) and 29.8°C (85.6°F).Temperature
Ngmellang experiences a subtle adjustment in high-temperatures to a still moderately hot 29.8°C (85.6°F) with the onset of September, maintaining near parity with August's 28.5°C (83.3°F). An average low-temperature of 21.9°C (71.4°F) is recorded in the month of September.Heat index
Throughout September, the heat index is evaluated at a sweltering 38°C (100.4°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
The average relative humidity in September is 83%.Rainfall
In Ngmellang, in September, during 22.6 rainfall days, 93mm (3.66") of precipitation is typically accumulated. Throughout the year, there are 134.6 rainfall days, and 596mm (23.46") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 10min.On the first day of September, sunrise is at 06:44 and sunset at 19:01. On the last day of the month, sunrise is at 06:41 and sunset at 18:44 WAT.
Sunshine
In Ngmellang, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 7 during September translates into the following guidance:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ngmellang, Benin
- Average high temperature in September: 29.8°C
The warmest month (with the highest average high temperature) is March (39°C).
The month with the lowest average high temperature is August (28.5°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 (17.9°C).
Average pressure in September
Ngmellang, Benin
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is July (1012.9mbar).
The months with the lowest atmospheric pressure are March and April (1008.6mbar).
Average wind speed in September
Ngmellang, Benin
- Average wind speed in September: 5.5km/h
The windiest months (with the highest average wind speed) are January and May (8.1km/h).
The calmest month (with the lowest average wind speed) is September (5.5km/h).
Average humidity in September
Ngmellang, Benin
- Average humidity in September: 83%
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (19%).
Average rainfall in September
Ngmellang, Benin
- Average rainfall in September: 93mm
The wettest month (with the highest rainfall) is August (149mm).
The driest months (with the least rainfall) are January and December (0mm).
Average rainfall days in September
Ngmellang, Benin
- Average rainfall days in September: 22.6 days
The month with the highest number of rainy days is August (25.8 days).
The month with the least rainy days is December (0.2 days).
Average daylight in September /
Average sunshine in September
Ngmellang, 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 36min).
- Average sunshine in September: 8h and 6min
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: 6h and 30min).
Average sunshine days in September
Ngmellang, Benin
- Average sunshine days in September: 5.5 days
The month with the most sunshine days is December (30.9 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in September
Ngmellang, Benin
- Average UV index in September: 7
The months with the highest UV index are February, March and April (UV index 8).
The months with the lowest UV index are July, August and December (UV index 6).
Average cloud cover in September
Ngmellang, Benin
- Average cloud cover in September: 44
The month with the most cloud cover is August (Cloud cover 57).
The month with the least cloud cover is December (Cloud cover 3).
Average visibility in September
Ngmellang, Benin
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The month with the lowest visibility is August (7km).
