September weather forecastUmuaka, Nigeria
September
Weather in September
September, the first month of the autumn in Umuaka, is still a warm month, with an average temperature fluctuating between 22.5°C (72.5°F) and 28.9°C (84°F).Temperature
Transitioning into September, Umuaka records an average high-temperature of a still warm 28.9°C (84°F), almost identical to August's 28.3°C (82.9°F). Umuaka's nights in September experience an average temperature drop to an agreeable 22.5°C (72.5°F).Heat index
September's mean heat index is evaluated at a very hot 36°C (96.8°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.In reference to the heat index, it's for places in shade and with a slight wind. 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 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.
Humidity
July and September, with an average relative humidity of 89%, are the most humid months in Umuaka.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 Umuaka, 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 18:38. On the last day of September, sunrise is at 06:19 and sunset at 18:23 WAT.
Sunshine
The average sunshine in September is 5h.UV index
In September, the average daily maximum UV index in Umuaka is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 6 during September leads to these advisories:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Umuaka, 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
Umuaka, 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
Umuaka, 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
Umuaka, 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
Umuaka, 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
Umuaka, 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
Umuaka, Nigeria
- Average daylight in September: 12h and 12min
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
Umuaka, 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
Umuaka, 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
Umuaka, 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
Umuaka, 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).





