September weather forecastSagamu, Nigeria
September
Weather in September
The first month of the autumn, September, is still a warm month in Sagamu, Nigeria, with an average temperature fluctuating between 23.1°C (73.6°F) and 29.1°C (84.4°F).Temperature
Upon the onset of September, Sagamu witnesses an average high-temperature of a still moderately hot 29.1°C (84.4°F), showing a close resemblance to the prior month. Sagamu witnesses a consistent average low-temperature of 23.1°C (73.6°F) throughout September.Heat index
In September, the heat index is evaluated at a sweltering 36°C (96.8°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.Always consider that heat index estimations are for light winds and places in the shade. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
The months with the highest humidity in Sagamu are August and September, with an average relative humidity of 86%.Rainfall
In Sagamu, in September, it is raining for 27.4 days, with typically 151mm (5.94") of accumulated precipitation. Throughout the year, there are 243.1 rainfall days, and 947mm (37.28") of precipitation is accumulated.Daylight
In September, the average length of the day in Sagamu is 12h and 10min.On the first day of the month, sunrise is at 06:38 and sunset at 18:52. On the last day of September, sunrise is at 06:33 and sunset at 18:37 WAT.
Sunshine
In Sagamu, the average sunshine in September is 6.3h.UV index
The months with the highest UV index are January through May, September through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 7 during September translates into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sagamu, Nigeria
- Average high temperature in September: 29.1°C
The warmest month (with the highest average high temperature) is January (35.3°C).
The month with the lowest average high temperature is August (28.1°C).
- Average low temperature in September: 23.1°C
The month with the highest average low temperature is March (26°C).
The coldest month (with the lowest average low temperature) is August (22.8°C).
Average pressure in September
Sagamu, Nigeria
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is July (1013.4mbar).
The month with the lowest atmospheric pressure is March (1009.4mbar).
Average wind speed in September
Sagamu, Nigeria
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is March (9.6km/h).
The calmest months (with the lowest average wind speed) are November and December (6.3km/h).
Average humidity in September
Sagamu, Nigeria
- Average humidity in September: 86%
The months with the highest relative humidity are August and September (86%).
The month with the lowest relative humidity is January (63%).
Average rainfall in September
Sagamu, Nigeria
- Average rainfall in September: 151mm
The wettest month (with the highest rainfall) is July (181mm).
The driest month (with the least rainfall) is December (7mm).
Average rainfall days in September
Sagamu, Nigeria
- Average rainfall days in September: 27.4 days
The month with the highest number of rainy days is July (29 days).
The month with the least rainy days is January (5.9 days).
Average daylight in September /
Average sunshine in September
Sagamu, 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 42min).
- Average sunshine in September: 6h and 18min
The month with the most sunshine is December (Average sunshine: 9h and 42min).
The month with the least sunshine is August (Average sunshine: 4h and 54min).
Average sunshine days in September
Sagamu, Nigeria
- Average sunshine days in September: 1.6 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is July (1 days).
Average UV index in September
Sagamu, Nigeria
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are June, July and August (UV index 6).
Average cloud cover in September
Sagamu, Nigeria
- Average cloud cover in September: 57
The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is December (Cloud cover 14).
Average visibility in September
Sagamu, Nigeria
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May and December (10km).
The months with the lowest visibility are August and September (8km).





