Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In Dakar, the average high-temperature in September is relatively the same as in August - a still moderately hot 28.2°C (82.8°F). In Dakar, the average low-temperature is 26.8°C (80.2°F).Heat index
In September, the average heat index is evaluated at a tropical 33°C (91.4°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like wind, differences in body mass, height, and shape, pregnancy, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In Dakar, the average relative humidity in September is 81%.Rainfall
The month with the most rainfall in Dakar, Senegal, is September, when the rain falls for 13.3 days and typically aggregates up to 88mm (3.46") of precipitation.Sea temperature
September is the month with the warmest seawater in Dakar, Senegal, with an average sea temperature of 28.7°C (83.7°F).Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.
Daylight
In September, the average length of the day in Dakar is 12h and 13min.On the first day of September, sunrise is at 06:57 and sunset at 19:21. On the last day of the month, sunrise is at 06:58 and sunset at 18:59 GMT.
Sunshine
In Dakar, the average sunshine in September is 8.6h.UV index
June through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
FAQ
What is the temperature in September in Dakar?
What is the average humidity in September in Dakar?
What is the rainiest month in Dakar?
How many days does it rain in September in Dakar?
When is the sea warmest in Dakar?
What is the water temperature in September in Dakar?
How many hours of daylight does Dakar have in September?
When is the sunrise / sunset in September in Dakar?
How many hours of sunshine does Dakar have in September?
What is the month with the highest UV index in Dakar?
How high is the UV index in September in Dakar?
Average temperature in September
Dakar, Senegal
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is October (29°C).
The month with the lowest average high temperature is April (22.2°C).
- Average low temperature in September: 26.8°C
The month with the highest average low temperature is October (27.5°C).
The coldest month (with the lowest average low temperature) is March (20.2°C).
Average pressure in September
Dakar, Senegal
- Average pressure in September: 1012mbar
The month with the highest atmospheric pressure is January (1013.5mbar).
The month with the lowest atmospheric pressure is October (1011.3mbar).
Average wind speed in September
Dakar, Senegal
- Average wind speed in September: 15.2km/h
The windiest month (with the highest average wind speed) is February (27.2km/h).
The calmest month (with the lowest average wind speed) is September (15.2km/h).
Average humidity in September
Dakar, Senegal
- Average humidity in September: 81%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are January and December (59%).
Average rainfall in September
Dakar, Senegal
- Average rainfall in September: 88mm
The wettest month (with the highest rainfall) is September (88mm).
The driest months (with the least rainfall) are January, February, March and December (0mm).
Average rainfall days in September
Dakar, Senegal
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is August (14.2 days).
The months with the least rainy days are February and March (0.3 days).
Average sea temperature in September
Dakar, Senegal
- Average sea temperature in September: 28.7°C
The best month for swimming (with the highest average sea temperature) is September (28.7°C).
The coldest month (with the lowest average sea temperature) is March (19.9°C).
Average daylight in September /
Average sunshine in September
Dakar, Senegal
- Average daylight in September: 12h and 13min
The month with the longest days is June (Average daylight: 12h and 59min).
The month with the shortest days is December (Average daylight: 11h and 16min).
- Average sunshine in September: 8h and 36min
The months with the most sunshine are April and May (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 42min).
Average sunshine days in September
Dakar, Senegal
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is March (30.6 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in September
Dakar, Senegal
- Average UV index in September: 7
The months with the highest UV index are June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May and December (UV index 6).
Average cloud cover in September
Dakar, Senegal
- Average cloud cover in September: 32
The month with the most cloud cover is August (Cloud cover 43).
The month with the least cloud cover is April (Cloud cover 6).
Average visibility in September
Dakar, Senegal
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
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