September weather forecastBwari, Nigeria
September
Weather in September
September, the first month of the autumn in Bwari, is also a moderately hot month, with an average temperature fluctuating between 21.9°C (71.4°F) and 29.7°C (85.5°F).Temperature
August's transformation into September witnesses an average high-temperature of a still moderately hot 29.7°C (85.5°F), noting a minor change from the preceding month. Bwari, in September, observes a steady average low-temperature of 21.9°C (71.4°F).Heat index
In September, the average heat index is appraised at a fiery hot 38°C (100.4°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Bear in mind that the heat index values are determined for shaded areas and light breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess 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. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
In September, the average relative humidity is 84%.Rainfall
In September, the rain falls for 25.5 days. Throughout September, 133mm (5.24") of precipitation is accumulated. Throughout the year, there are 147.3 rainfall days, and 806mm (31.73") of precipitation is accumulated.Daylight
In Bwari, the average length of the day in September is 12h and 10min.On the first day of September, sunrise is at 06:21 and sunset at 18:39. On the last day of the month, sunrise is at 06:18 and sunset at 18:21 WAT.
Sunshine
In September, the average sunshine is 7.3h.UV index
The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 7 during September morphs into the following directions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bwari, Nigeria
- Average high temperature in September: 29.7°C
The warmest month (with the highest average high temperature) is March (39.9°C).
The month with the lowest average high temperature is August (28.4°C).
- Average low temperature in September: 21.9°C
The month with the highest average low temperature is April (25.8°C).
The coldest month (with the lowest average low temperature) is January (20.5°C).
Average pressure in September
Bwari, Nigeria
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is July (1013mbar).
The month with the lowest atmospheric pressure is March (1008.6mbar).
Average wind speed in September
Bwari, Nigeria
- Average wind speed in September: 5km/h
The windiest month (with the highest average wind speed) is January (7.6km/h).
The calmest month (with the lowest average wind speed) is October (4.8km/h).
Average humidity in September
Bwari, Nigeria
- Average humidity in September: 84%
The month with the highest relative humidity is August (87%).
The month with the lowest relative humidity is January (21%).
Average rainfall in September
Bwari, Nigeria
- Average rainfall in September: 133mm
The wettest month (with the highest rainfall) is August (194mm).
The driest months (with the least rainfall) are January and December (0mm).
Average rainfall days in September
Bwari, Nigeria
- Average rainfall days in September: 25.5 days
The month with the highest number of rainy days is August (26.4 days).
The month with the least rainy days is December (0 days).
Average daylight in September /
Average sunshine in September
Bwari, 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 36min).
- Average sunshine in September: 7h and 18min
The months with the most sunshine are January, February, November and December (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 5h and 48min).
Average sunshine days in September
Bwari, Nigeria
- Average sunshine days in September: 2.8 days
The month with the most sunshine days is December (31 days).
The month with the least sunshine days is September (2.8 days).
Average UV index in September
Bwari, Nigeria
- Average UV index in September: 7
The months with the highest UV index are February, March and April (UV index 8).
The month with the lowest UV index is August (UV index 5).
Average cloud cover in September
Bwari, Nigeria
- Average cloud cover in September: 49
The month with the most cloud cover is August (Cloud cover 61).
The month with the least cloud cover is December (Cloud cover 2).
Average visibility in September
Bwari, Nigeria
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The month with the lowest visibility is August (7km).





