September weather forecastVelingara, Senegal
September
Weather in September
The shift into September marks the beginning of the retreat of the rainy season in Velingara. Rainfall amounts drop drastically from the augmented levels in August to about 87mm (3.43"). September's climate offers a series of sunny days, maintaining an average daylight duration of 12.2 hours. The relative humidity also begins to reduce, setting the stage for the dry season observed in the ensuing months.Temperature
On the advent of September, Velingara's average high-temperature exhibits a minor adjustment to a still tropical 33.5°C (92.3°F) from August's 33°C (91.4°F). The nighttime temperature dips to a moderately hot 24.2°C (75.6°F) on average during September.Heat index
September's average heat index is calculated to be a burning hot 48°C (118.4°F). Take note: Heat exhaustion and heat cramps are expected. Heatstroke can occur with prolonged effort.Heat index's context suggests values are appropriate for shady areas and slight breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. 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. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.
Humidity
The months with the highest humidity in Velingara are August and September, with an average relative humidity of 76%.Rainfall
In September, the rain falls for 18.8 days. Throughout September, 87mm (3.43") of precipitation is accumulated. In Velingara, during the entire year, the rain falls for 82.3 days and collects up to 373mm (14.69") of precipitation.Daylight
In Velingara, the average length of the day in September is 12h and 12min.On the first day of the month, sunrise is at 06:45 and sunset at 19:07. On the last day of September, sunrise is at 06:45 and sunset at 18:46 GMT.
Sunshine
The average sunshine in September in Velingara is 8.8h.UV index
The months with the lowest UV index are January, February, July through September and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 7 suggests these recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. 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
Velingara, Senegal
- Average high temperature in September: 33.5°C
The warmest month (with the highest average high temperature) is April (42.4°C).
The month with the lowest average high temperature is August (33°C).
- Average low temperature in September: 24.2°C
The month with the highest average low temperature is June (27.9°C).
The coldest month (with the lowest average low temperature) is January (19.1°C).
Average pressure in September
Velingara, Senegal
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is April (1008.5mbar).
Average wind speed in September
Velingara, Senegal
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is February (12.8km/h).
The calmest month (with the lowest average wind speed) is September (7.8km/h).
Average humidity in September
Velingara, Senegal
- Average humidity in September: 76%
The months with the highest relative humidity are August and September (76%).
The months with the lowest relative humidity are January and February (14%).
Average rainfall in September
Velingara, Senegal
- Average rainfall in September: 87mm
The wettest month (with the highest rainfall) is August (149mm).
The driest months (with the least rainfall) are January, February and December (0mm).
Average rainfall days in September
Velingara, Senegal
- Average rainfall days in September: 18.8 days
The month with the highest number of rainy days is August (22.1 days).
The month with the least rainy days is January (0 days).
Average daylight in September /
Average sunshine in September
Velingara, Senegal
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is April (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 7h and 36min).
Average sunshine days in September
Velingara, Senegal
- Average sunshine days in September: 9.1 days
The month with the most sunshine days is January (30.8 days).
The month with the least sunshine days is August (6.8 days).
Average UV index in September
Velingara, Senegal
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, October and November (UV index 8).
The months with the lowest UV index are January, February, July, August, September and December (UV index 7).
Average cloud cover in September
Velingara, Senegal
- Average cloud cover in September: 31
The month with the most cloud cover is August (Cloud cover 44).
The months with the least cloud cover are March and April (Cloud cover 6).
Average visibility in September
Velingara, Senegal
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (10km).
The months with the lowest visibility are August and September (9km).





