September weather forecastOkwele, Nigeria

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Okwele, Nigeria, with an average temperature fluctuating between 22.5°C (72.5°F) and 28.9°C (84°F).

Temperature

The transition into September shows a subtle variation to a still moderately hot 28.9°C (84°F) from August's 28.3°C (82.9°F) in the average high-temperature. Okwele's temperature tends to fall to an average low of 22.5°C (72.5°F) during the nights of September.

Heat index

In September, the average heat index is estimated at a very hot 36°C (96.8°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

July and September, with an average relative humidity of 89%, are the most humid months.

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 September, the average length of the day is 12h and 9min.
On the first day of the month, sunrise is at 06:24 and sunset at 18:37. On the last day of September, in Okwele, Nigeria, sunrise is at 06:18 and sunset at 18:23 WAT.

Sunshine

In September, the average sunshine is 5h.

UV index

In September, the average daily maximum UV index in Okwele is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

The high-temperature, in September, in Okwele, records 28.9°C (84°F), while the low-temperature is 22.5°C (72.5°F). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 36°C (96.8°F).

July and September, with an average relative humidity of 89%, are most humid months in Okwele, Nigeria.

In September, the average relative humidity is 89%.

The month with the most rainfall in Okwele, Nigeria, is September, when the rain falls for 29.7 days and typically aggregates up to 217mm (8.54") of precipitation.

In Okwele, Nigeria, in September, it is raining for 29.7 days, with typically 217mm (8.54") of accumulated precipitation.

The average day length in September is 12h and 9min.

On the first day of September, sunrise is at 06:24 and sunset at 18:37. On the last day of the month, sunrise is at 06:18 and sunset at 18:23 WAT.

In September, the average sunshine duration in Okwele, Nigeria, is 5h.

In Okwele, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Okwele, 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
Okwele, 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
Okwele, 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
Okwele, 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
Okwele, 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
Okwele, 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
Okwele, 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
Okwele, 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
Okwele, 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
Okwele, 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
Okwele, 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).