September weather forecastUli, Nigeria
September
Weather in September
The first month of the autumn, September, is still a warm month in Uli, Nigeria, with temperature in the range of an average low of 22.5°C (72.5°F) and an average high of 28.9°C (84°F).Temperature
September ushers in an average high-temperature of a still warm 28.9°C (84°F), aligning closely with the preceding month. Uli temperatures generally rest at a low of 22.5°C (72.5°F) during the September nights.Heat index
The heat index for September is estimated at a torrid 36°C (96.8°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.Bear in mind that the heat index values are determined for shaded areas 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 'felt air temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
July and September, with an average relative humidity of 89%, are the most humid months in Uli, Nigeria.Rainfall
The month with the most rainfall is September, when the rain falls for 29.7 days and typically aggregates up to 217mm (8.54") of precipitation.Daylight
In Uli, the average length of the day in September is 12h and 9min.On the first day of the month, sunrise is at 06:25 and sunset at 18:39. On the last day of September, sunrise is at 06:20 and sunset at 18:24 WAT.
Sunshine
In Uli, the average sunshine in September is 5h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 6 during September leads to these instructions:
Guard oneself from overexposure. Defence against sun injury is vital. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. 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
Uli, Nigeria
- Average high temperature in September: 28.9°C
The warmest months (with the highest average high temperature) are January and February (36°C).
The month with the lowest average high temperature is August (28.3°C).
- Average low temperature in September: 22.5°C
The month with the highest average low temperature is March (25°C).
The coldest months (with the lowest average low temperature) are January, July and August (22.3°C).
Average pressure in September
Uli, Nigeria
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is July (1013.5mbar).
The months with the lowest atmospheric pressure are February and March (1009.4mbar).
Average wind speed in September
Uli, Nigeria
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is March (8km/h).
The calmest month (with the lowest average wind speed) is November (5.5km/h).
Average humidity in September
Uli, Nigeria
- Average humidity in September: 89%
The months with the highest relative humidity are July and September (89%).
The month with the lowest relative humidity is January (53%).
Average rainfall in September
Uli, Nigeria
- Average rainfall in September: 217mm
The wettest month (with the highest rainfall) is September (217mm).
The driest month (with the least rainfall) is December (10mm).
Average rainfall days in September
Uli, Nigeria
- Average rainfall days in September: 29.7 days
The month with the highest number of rainy days is October (30.4 days).
The month with the least rainy days is December (7.6 days).
Average daylight in September /
Average sunshine in September
Uli, Nigeria
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in September: 5h and 0min
The month with the most sunshine is December (Average sunshine: 9h and 36min).
The month with the least sunshine is August (Average sunshine: 4h and 12min).
Average sunshine days in September
Uli, Nigeria
- Average sunshine days in September: 0.1 days
The month with the most sunshine days is December (19.8 days).
The months with the least sunshine days are September and October (0.1 days).
Average UV index in September
Uli, Nigeria
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, October, November and December (UV index 7).
The month with the lowest UV index is August (UV index 5).
Average cloud cover in September
Uli, Nigeria
- Average cloud cover in September: 75
The month with the most cloud cover is August (Cloud cover 78).
The month with the least cloud cover is January (Cloud cover 19).
Average visibility in September
Uli, Nigeria
- Average visibility in September: 6km
The months with the highest visibility are January, February and March (10km).
The months with the lowest visibility are June, July, August, September and October (6km).





