September weather forecastBayène, Senegal

September

Weather in September

The first month of the autumn, September, is still a tropical month in Bayène, Senegal, with an average temperature varying between 34.4°C (93.9°F) and 25.5°C (77.9°F).

Temperature

Stepping into September, Bayène records an average high-temperature of a still hot 34.4°C (93.9°F), almost consistent with August. In September, the recorded average low-temperature in Bayène is a warm 25.5°C (77.9°F).

Heat index

The heat index in September is calculated to be a life-threatening hot 48°C (118.4°F). Beware: Heat exhaustion along with heat cramps are on the cards. Heatstroke could result from sustained physical activity.
Heat index data is primarily for areas with shade and subjected to light winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

The most humid month in Bayène is September, with an average relative humidity of 70%.

Rainfall

In Bayène, in September, it is raining for 18 days, with typically 75mm (2.95") of accumulated precipitation. Throughout the year, there are 68 rainfall days, and 285mm (11.22") of precipitation is accumulated.

Daylight

In September, the average length of the day in Bayène is 12h and 13min.
On the first day of September, sunrise is at 06:51 and sunset at 19:15. On the last day of the month, sunrise is at 06:53 and sunset at 18:53 GMT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

April through June, September and October, with an average maximum UV index of 8, are months with the highest UV index. A UV Index reading of 8 to 10 represents a very high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 8 during September translates into the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

During September, Bayène experiences an average high-temperature of 34.4°C (93.9°F) and a low-temperature of 25.5°C (77.9°F). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 48°C (118.4°F).

The most humid month is September, with an average relative humidity of 70%.

In September, the average relative humidity is 70%.

In Bayène, Senegal, in September, it is raining for 18 days, with typically 75mm (2.95") of accumulated precipitation.

The average day length in September in Bayène is 12h and 13min.

In September, on the first day of the month, sunrise is at 06:51 and sunset at 19:15. On the last day of the month, in Bayène, Senegal, sunrise is at 06:53 and sunset at 18:53 GMT.

The average sunshine duration in September is 8.7h.

April through June, September and October, with an average maximum UV index of 8, are months with the highest UV index in Bayène, Senegal.

In September, the average daily maximum UV index is 8. A UV Index value of 8 to 10 symbolizes a very high health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bayène, Senegal

  • Average high temperature in September: 34.4°C

The warmest month (with the highest average high temperature) is May (41.4°C).
The month with the lowest average high temperature is August (34°C).

  • Average low temperature in September: 25.5°C

The month with the highest average low temperature is July (25.8°C).
The coldest month (with the lowest average low temperature) is January (18.3°C).

Average pressure in September
Bayène, Senegal

  • Average pressure in September: 1011.8mbar

The month with the highest atmospheric pressure is January (1013.1mbar).
The month with the lowest atmospheric pressure is April (1010.2mbar).

Average wind speed in September
Bayène, Senegal

  • Average wind speed in September: 9.5km/h

The windiest month (with the highest average wind speed) is February (15.1km/h).
The calmest month (with the lowest average wind speed) is September (9.5km/h).

Average humidity in September
Bayène, Senegal

  • Average humidity in September: 70%

The month with the highest relative humidity is September (70%).
The month with the lowest relative humidity is January (18%).

Average rainfall in September
Bayène, Senegal

  • Average rainfall in September: 75mm

The wettest month (with the highest rainfall) is August (121mm).
The driest months (with the least rainfall) are January, February and December (0mm).

Average rainfall days in September
Bayène, Senegal

  • Average rainfall days in September: 18 days

The month with the highest number of rainy days is August (19.8 days).
The months with the least rainy days are January and February (0.1 days).

Average daylight in September /
Average sunshine in September
Bayène, Senegal

  • Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in September: 8h and 42min

The month with the most sunshine is May (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 7h and 48min).

Average sunshine days in September
Bayène, Senegal

  • Average sunshine days in September: 10.3 days

The month with the most sunshine days is January (30.8 days).
The month with the least sunshine days is August (10 days).

Average UV index in September
Bayène, Senegal

  • Average UV index in September: 8

The months with the highest UV index are April, May, June, September and October (UV index 8).
The months with the lowest UV index are January, February, March, July, August, November and December (UV index 7).

Average cloud cover in September
Bayène, Senegal

  • Average cloud cover in September: 31

The month with the most cloud cover is August (Cloud cover 40).
The month with the least cloud cover is April (Cloud cover 6).

Average visibility in September
Bayène, 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).