September weather forecastYenagoa, Nigeria
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Yenagoa, Nigeria, with an average temperature ranging between max 27.5°C (81.5°F) and min 22°C (71.6°F).Temperature
September notes an average high-temperature of a still warm 27.5°C (81.5°F), subtly differing from August's 26.9°C (80.4°F). Nighttime temperature lowers to an average of 22°C (71.6°F) in September.Heat index
The average heat index in September is estimated at a hot 32°C (89.6°F). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.Understand that the heat index values take into account shaded locations and mild winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
July and September, with an average relative humidity of 88%, are the most humid months.Rainfall
In Yenagoa, during September, the rain falls for 29.8 days and regularly aggregates up to 283mm (11.14") of precipitation. In Yenagoa, during the entire year, the rain falls for 310.7 days and collects up to 2138mm (84.17") of precipitation.Daylight
The average length of the day in September is 12h and 9min.On the first day of September, sunrise is at 06:28 and sunset at 18:40. On the last day of the month, sunrise is at 06:22 and sunset at 18:27 WAT.
Sunshine
In Yenagoa, the average sunshine in September is 4.4h.UV index
In Yenagoa, 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 the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 6 suggests this advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Yenagoa, Nigeria
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is January (32.8°C).
The month with the lowest average high temperature is July (26.8°C).
- Average low temperature in September: 22°C
The month with the highest average low temperature is March (24.3°C).
The coldest month (with the lowest average low temperature) is August (21.8°C).
Average pressure in September
Yenagoa, Nigeria
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is July (1013.6mbar).
The month with the lowest atmospheric pressure is February (1009.7mbar).
Average wind speed in September
Yenagoa, Nigeria
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is August (9.6km/h).
The calmest month (with the lowest average wind speed) is November (6.3km/h).
Average humidity in September
Yenagoa, 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 (70%).
Average rainfall in September
Yenagoa, Nigeria
- Average rainfall in September: 283mm
The wettest month (with the highest rainfall) is July (293mm).
The driest month (with the least rainfall) is December (45mm).
Average rainfall days in September
Yenagoa, Nigeria
- Average rainfall days in September: 29.8 days
The months with the highest number of rainy days are August and October (30.1 days).
The month with the least rainy days is January (14.9 days).
Average daylight in September /
Average sunshine in September
Yenagoa, 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 24min
The month with the most sunshine is December (Average sunshine: 9h and 36min).
The month with the least sunshine is August (Average sunshine: 3h and 24min).
Average sunshine days in September
Yenagoa, Nigeria
- Average sunshine days in September: 0.2 days
The month with the most sunshine days is January (15.3 days).
The month with the least sunshine days is September (0.2 days).
Average UV index in September
Yenagoa, Nigeria
- Average UV index in September: 6
The months with the highest UV index are January, February, April, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 5).
Average cloud cover in September
Yenagoa, Nigeria
- Average cloud cover in September: 73
The month with the most cloud cover is August (Cloud cover 78).
The months with the least cloud cover are January and December (Cloud cover 26).
Average visibility in September
Yenagoa, Nigeria
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April and December (9km).
The months with the lowest visibility are July, August, September and October (7km).
