September weather forecastEsiẹ, Nigeria
September
Weather in September
With the arrival of September, weather in Esiẹ changes course. Interestingly, September records the most rainfall days even though the total rainfall is 164mm (6.46"), a decline from August. These changes indicate an easing towards the exit of the rainy season. Wind, on the other hand, seems to lose its potency, reflecting a calmer atmosphere. In essence, September signals a gradual descent from the rainy peak, ushering in the transition towards the dry spell.Temperature
Esiẹ experiences a transition to a still warm 28.5°C (83.3°F) in average high-temperatures with the arrival of September, not greatly differing from August's 27.8°C (82°F). In September, the average low-temperature is a pleasant 21.2°C (70.2°F).Heat index
September's average heat index is evaluated at a very hot 35°C (95°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. 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. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
The months with the highest humidity are August and September, with an average relative humidity of 88%.Rainfall
September is the month with the most rainfall. Rain falls for 28.5 days and accumulates 164mm (6.46") of precipitation.Daylight
In September, the average length of the day is 12h and 10min.On the first day of September, sunrise is at 06:32 and sunset at 18:48. On the last day of the month, sunrise is at 06:28 and sunset at 18:31 WAT.
Sunshine
In Esiẹ, the average sunshine in September is 6.3h.UV index
May through September, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Esiẹ, Nigeria
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is February (37.4°C).
The month with the lowest average high temperature is August (27.8°C).
- Average low temperature in September: 21.2°C
The month with the highest average low temperature is March (23.6°C).
The coldest months (with the lowest average low temperature) are January and December (20.2°C).
Average pressure in September
Esiẹ, Nigeria
- Average pressure in September: 1012.3mbar
The month with the highest atmospheric pressure is July (1013mbar).
The month with the lowest atmospheric pressure is March (1008.7mbar).
Average wind speed in September
Esiẹ, Nigeria
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is April (9.8km/h).
The calmest month (with the lowest average wind speed) is November (6km/h).
Average humidity in September
Esiẹ, Nigeria
- Average humidity in September: 88%
The months with the highest relative humidity are August and September (88%).
The month with the lowest relative humidity is January (35%).
Average rainfall in September
Esiẹ, Nigeria
- Average rainfall in September: 164mm
The wettest month (with the highest rainfall) is September (164mm).
The driest month (with the least rainfall) is December (1mm).
Average rainfall days in September
Esiẹ, Nigeria
- Average rainfall days in September: 28.5 days
The month with the highest number of rainy days is August (29 days).
The month with the least rainy days is December (1.3 days).
Average daylight in September /
Average sunshine in September
Esiẹ, Nigeria
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in September: 6h and 18min
The months with the most sunshine are January and December (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 5h and 30min).
Average sunshine days in September
Esiẹ, Nigeria
- Average sunshine days in September: 0.9 days
The month with the most sunshine days is December (28 days).
The month with the least sunshine days is August (0.8 days).
Average UV index in September
Esiẹ, 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 months with the lowest UV index are May, June, July, August and September (UV index 6).
Average cloud cover in September
Esiẹ, Nigeria
- Average cloud cover in September: 66
The month with the most cloud cover is August (Cloud cover 72).
The month with the least cloud cover is December (Cloud cover 6).
Average visibility in September
Esiẹ, Nigeria
- Average visibility in September: 6km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are August and September (6km).





