September weather forecastShani, Nigeria
September
Weather in September
September, the first month of the autumn in Shani, is still a tropical month, with an average temperature varying between 32.4°C (90.3°F) and 23.5°C (74.3°F).Temperature
September ushers in an average high-temperature of a still tropical 32.4°C (90.3°F), aligning closely with the preceding month. Shani records a consistent low-temperature of 23.5°C (74.3°F) during September nights.Heat index
September's average heat index is evaluated at an extremely hot 42°C (107.6°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
Humidity
In September, the average relative humidity in Shani is 71%.Rainfall
In Shani, in September, it is raining for 18.4 days, with typically 64mm (2.52") of accumulated precipitation. In Shani, Nigeria, during the entire year, the rain falls for 97.9 days and collects up to 398mm (15.67") of precipitation.Daylight
In Shani, Nigeria, the average length of the day in September is 12h and 11min.On the first day of September in Shani, sunrise is at 06:02 and sunset at 18:21. On the last day of the month, sunrise is at 06:00 and sunset at 18:02 WAT.
Sunshine
In September, the average sunshine in Shani is 9.2h.UV index
In September, the average daily maximum UV index in Shani is 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 7 turns into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shani, Nigeria
- Average high temperature in September: 32.4°C
The warmest month (with the highest average high temperature) is April (40.5°C).
The month with the lowest average high temperature is August (30.4°C).
- Average low temperature in September: 23.5°C
The month with the highest average low temperature is May (28.2°C).
The coldest month (with the lowest average low temperature) is January (18.5°C).
Average pressure in September
Shani, Nigeria
- Average pressure in September: 1011.2mbar
The month with the highest atmospheric pressure is January (1011.9mbar).
The month with the lowest atmospheric pressure is April (1007.1mbar).
Average wind speed in September
Shani, Nigeria
- Average wind speed in September: 8.1km/h
The windiest months (with the highest average wind speed) are May and June (11.9km/h).
The calmest month (with the lowest average wind speed) is October (7.3km/h).
Average humidity in September
Shani, Nigeria
- Average humidity in September: 71%
The month with the highest relative humidity is August (75%).
The month with the lowest relative humidity is February (15%).
Average rainfall in September
Shani, Nigeria
- Average rainfall in September: 64mm
The wettest month (with the highest rainfall) is August (141mm).
The driest months (with the least rainfall) are January, February, March, November and December (0mm).
Average rainfall days in September
Shani, Nigeria
- Average rainfall days in September: 18.4 days
The month with the highest number of rainy days is August (24.7 days).
The months with the least rainy days are January and December (0 days).
Average daylight in September /
Average sunshine in September
Shani, Nigeria
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is May (Average sunshine: 12h and 0min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days in September
Shani, Nigeria
- Average sunshine days in September: 9.3 days
The month with the most sunshine days is January (31 days).
The month with the least sunshine days is August (5.3 days).
Average UV index in September
Shani, Nigeria
- Average UV index in September: 7
The months with the highest UV index are February, March, April and May (UV index 8).
The month with the lowest UV index is December (UV index 6).
Average cloud cover in September
Shani, Nigeria
- Average cloud cover in September: 30
The month with the most cloud cover is August (Cloud cover 44).
The months with the least cloud cover are January and December (Cloud cover 2).
Average visibility in September
Shani, Nigeria
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (10km).
The month with the lowest visibility is August (9km).





