September weather forecastUmunoha, Nigeria
September
Weather in September
The first month of the autumn, September, is still a warm month in Umunoha, Nigeria, with an average temperature fluctuating between 28.9°C (84°F) and 22.5°C (72.5°F).Temperature
With the advent of September, Umunoha experiences an average high-temperature of a still moderately hot 28.9°C (84°F), mirroring a close resemblance to the previous month. Umunoha throughout September, records an average low-temperature of 22.5°C (72.5°F).Heat index
Throughout September, the heat index is appraised at a very hot 36°C (96.8°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.Be advised, the heat index considers values for conditions in shade and with a light breeze. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
July and September, with an average relative humidity of 89%, are the most humid months.Rainfall
The month with the most rainfall in Umunoha is September, when the rain falls for 29.7 days and typically aggregates up to 217mm (8.54") of precipitation.Daylight
In September, the average length of the day is 12h and 9min.On the first day of September, sunrise is at 06:25 and sunset at 18:38. On the last day of the month, sunrise is at 06:19 and sunset at 18:24 WAT.
Sunshine
In Umunoha, the average sunshine in September is 5h.UV index
The average daily maximum UV index in September in Umunoha is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Umunoha, 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
Umunoha, 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
Umunoha, 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
Umunoha, 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
Umunoha, 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
Umunoha, 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
Umunoha, Nigeria
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 24min).
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
Umunoha, 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
Umunoha, 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
Umunoha, 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
Umunoha, 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).





