September weather forecastBoubon, Niger
September
Weather in September
The first month of the autumn, September, is a sweltering month in Boubon, Niger, with an average temperature varying between 36.6°C (97.9°F) and 26.8°C (80.2°F).Temperature
The advent of September reveals an average high-temperature of a fiery hot 36.6°C (97.9°F), showing minimal difference from the prior month. In September, the average low-temperature records at a moderately hot 26.8°C (80.2°F) during the nights.Heat index
For most parts of September, the heat index is computed to be a scorching 44°C (111.2°F). Careful: Heat exhaustion and heat cramps are anticipated. With ongoing exertion, heatstroke becomes a possibility.Always consider that heat index estimations are for light winds and places in the shade. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
In September, the average relative humidity is 49%.Rainfall
In Boubon, during September, the rain falls for 4.8 days and regularly aggregates up to 12mm (0.47") of precipitation. In Boubon, during the entire year, the rain falls for 35.3 days and collects up to 102mm (4.02") of precipitation.Daylight
The average length of the day in September in Boubon is 12h and 12min.On the first day of the month, sunrise is at 06:40 and sunset at 19:03. On the last day of September, sunrise is at 06:41 and sunset at 18:42 WAT.
Sunshine
The average sunshine in September in Boubon, Niger, is 9.7h.UV index
The average daily maximum UV index in September in Boubon is 8. A UV Index of 8 to 10 symbolizes a very high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 8 in September interprets into the following recommendations:
Immediate care is essential; skin and eyes can be harmed in no time without it. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Boubon, Niger
- Average high temperature in September: 36.6°C
The warmest month (with the highest average high temperature) is April (42.2°C).
The months with the lowest average high temperature are January and December (33.5°C).
- Average low temperature in September: 26.8°C
The month with the highest average low temperature is May (30.4°C).
The coldest month (with the lowest average low temperature) is January (16.9°C).
Average pressure in September
Boubon, Niger
- Average pressure in September: 1010.4mbar
The month with the highest atmospheric pressure is January (1012.8mbar).
The month with the lowest atmospheric pressure is April (1007mbar).
Average wind speed in September
Boubon, Niger
- Average wind speed in September: 11.9km/h
The windiest months (with the highest average wind speed) are January, July and December (14.7km/h).
The calmest month (with the lowest average wind speed) is October (10.4km/h).
Average humidity in September
Boubon, Niger
- Average humidity in September: 49%
The month with the highest relative humidity is August (55%).
The month with the lowest relative humidity is March (12%).
Average rainfall in September
Boubon, Niger
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is August (42mm).
The driest months (with the least rainfall) are January, November and December (0mm).
Average rainfall days in September
Boubon, Niger
- Average rainfall days in September: 4.8 days
The month with the highest number of rainy days is August (9.1 days).
The months with the least rainy days are January and November (0 days).
Average daylight in September /
Average sunshine in September
Boubon, Niger
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 9h and 42min
The months with the most sunshine are February, March, June, November and December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 8h and 48min).
Average sunshine days in September
Boubon, Niger
- Average sunshine days in September: 24.8 days
The month with the most sunshine days is January (31 days).
The month with the least sunshine days is August (21.1 days).
Average UV index in September
Boubon, Niger
- Average UV index in September: 8
The months with the highest UV index are April and May (UV index 9).
The month with the lowest UV index is December (UV index 6).
Average cloud cover in September
Boubon, Niger
- Average cloud cover in September: 18
The month with the most cloud cover is August (Cloud cover 30).
The months with the least cloud cover are November and December (Cloud cover 4).
Average visibility in September
Boubon, Niger
- 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).





