Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Yelwa greets September with an average high-temperature of a still hot 31.7°C (89.1°F), marking a slight deviation from the preceding month. Throughout the month of September, Yelwa sees a steady low-temperature average of 23.6°C (74.5°F).Heat index
The heat index in September is estimated at a scorching 41°C (105.8°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Always consider that heat index estimations are for light winds and places in the shade. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. 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 particularly important 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.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
The average relative humidity in September in Yelwa, Nigeria, is 75%.Rainfall
In Yelwa, during September, the rain falls for 18.1 days and regularly aggregates up to 66mm (2.6") of precipitation. In Yelwa, during the entire year, the rain falls for 99.2 days and collects up to 430mm (16.93") of precipitation.Daylight
The average length of the day in September in Yelwa is 12h and 11min.On the first day of the month, sunrise is at 06:31 and sunset at 18:50. On the last day of September, in Yelwa, sunrise is at 06:29 and sunset at 18:31 WAT.
Sunshine
The average sunshine in September in Yelwa, Nigeria, is 8.8h.UV index
January, June through September, November and December, with an average maximum UV index of 7, are months with the lowest UV index in Yelwa. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 7 in September leads to these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
How hot does it get in Yelwa in September?
What is the average humidity in September in Yelwa?
How many days does it rain in September in Yelwa?
How many hours of daylight does Yelwa have in September?
When are sunrise and sunset in September in Yelwa?
How long on average sun shines in September in Yelwa?
When is the lowest UV index in Yelwa?
What is the UV index reading in September in Yelwa?
Average temperature in September
Yelwa, Nigeria
- Average high temperature in September: 31.7°C
The warmest month (with the highest average high temperature) is March (41.5°C).
The month with the lowest average high temperature is August (30.3°C).
- Average low temperature in September: 23.6°C
The month with the highest average low temperature is May (27.9°C).
The coldest month (with the lowest average low temperature) is January (18.6°C).
Average pressure in September
Yelwa, Nigeria
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is August (1012mbar).
The month with the lowest atmospheric pressure is April (1007.3mbar).
Average wind speed in September
Yelwa, Nigeria
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is May (10.1km/h).
The calmest month (with the lowest average wind speed) is November (6.3km/h).
Average humidity in September
Yelwa, Nigeria
- Average humidity in September: 75%
The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is January (18%).
Average rainfall in September
Yelwa, Nigeria
- Average rainfall in September: 66mm
The wettest month (with the highest rainfall) is August (148mm).
The driest months (with the least rainfall) are January, February, November and December (0mm).
Average rainfall days in September
Yelwa, Nigeria
- Average rainfall days in September: 18.1 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is December (0 days).
Average daylight in September /
Average sunshine in September
Yelwa, Nigeria
- Average daylight in September: 12h and 1min
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: 8h and 5min
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 18min).
Average sunshine days in September
Yelwa, Nigeria
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is December (31 days).
The month with the least sunshine days is August (6.4 days).
Average UV index in September
Yelwa, Nigeria
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May and October (UV index 8).
The months with the lowest UV index are January, June, July, August, September, November and December (UV index 7).
Average cloud cover in September
Yelwa, Nigeria
- Average cloud cover in September: 31
The month with the most cloud cover is August (Cloud cover 46).
The months with the least cloud cover are January and December (Cloud cover 3).
Average visibility in September
Yelwa, Nigeria
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (10km).
The months with the lowest visibility are August and September (9km).
Yelwa, Nigeria
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