September weather forecastUmudike, Nigeria
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Umudike, Nigeria, with temperature in the range of an average low of 22.7°C (72.9°F) and an average high of 29.1°C (84.4°F).Temperature
September's average high-temperature stands at a still moderately hot 29.1°C (84.4°F), showing little deviation from August's 28.8°C (83.8°F). Nighttime temperatures in Umudike consistently average a pleasant 22.7°C (72.9°F) during September.Heat index
During September, the heat index is evaluated at a fiery hot 37°C (98.6°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.Know that the heat index computations account for shaded terrains and slight winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating 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 88%, are the most humid months in Umudike, Nigeria.Rainfall
In Umudike, during September, the rain falls for 29.2 days and regularly aggregates up to 256mm (10.08") of precipitation. Throughout the year, there are 267.9 rainfall days, and 1649mm (64.92") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 9min.On the first day of the month, sunrise is at 06:23 and sunset at 18:36. On the last day of September, in Umudike, Nigeria, sunrise is at 06:17 and sunset at 18:21 WAT.
Sunshine
The average sunshine in September is 4.8h.UV index
The average daily maximum UV index in September in Umudike is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily UV index of 6 turns into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Umudike, Nigeria
- Average high temperature in September: 29.1°C
The warmest month (with the highest average high temperature) is February (36.3°C).
The months with the lowest average high temperature are July and August (28.8°C).
- Average low temperature in September: 22.7°C
The month with the highest average low temperature is March (25.3°C).
The coldest month (with the lowest average low temperature) is August (22.2°C).
Average pressure in September
Umudike, 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 (1009.5mbar).
Average wind speed in September
Umudike, Nigeria
- Average wind speed in September: 5.3km/h
The windiest month (with the highest average wind speed) is August (6.2km/h).
The calmest month (with the lowest average wind speed) is November (4.6km/h).
Average humidity in September
Umudike, Nigeria
- Average humidity in September: 88%
The months with the highest relative humidity are July and September (88%).
The month with the lowest relative humidity is January (55%).
Average rainfall in September
Umudike, Nigeria
- Average rainfall in September: 256mm
The wettest month (with the highest rainfall) is July (273mm).
The driest month (with the least rainfall) is December (12mm).
Average rainfall days in September
Umudike, Nigeria
- Average rainfall days in September: 29.2 days
The month with the highest number of rainy days is August (29.8 days).
The month with the least rainy days is December (7.6 days).
Average daylight in September /
Average sunshine in September
Umudike, 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: 4h and 48min
The months with the most sunshine are January and December (Average sunshine: 9h and 30min).
The month with the least sunshine is August (Average sunshine: 3h and 54min).
Average sunshine days in September
Umudike, Nigeria
- Average sunshine days in September: 0.5 days
The month with the most sunshine days is December (21.2 days).
The month with the least sunshine days is September (0.5 days).
Average UV index in September
Umudike, 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
Umudike, Nigeria
- Average cloud cover in September: 74
The month with the most cloud cover is August (Cloud cover 78).
The month with the least cloud cover is December (Cloud cover 19).
Average visibility in September
Umudike, Nigeria
- Average visibility in September: 6km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are July and September (6km).
