September weather forecastBandafassi, Senegal

September

Weather in September

September, the first month of the autumn in Bandafassi, is still a tropical month, with temperature in the range of an average low of 22.5°C (72.5°F) and an average high of 31.9°C (89.4°F).

Temperature

The advent of September brings an average high-temperature of a still hot 31.9°C (89.4°F), almost identical to the preceding month. Bandafassi encounters an average low-temperature of 22.5°C (72.5°F) during September nights.

Heat index

The heat index value for September is calculated to be a burning hot 45°C (113°F). Stay vigilant: Heat cramps along with heat exhaustion are expected. Heatstroke may follow prolonged exertion.
The heat index's values are generally associated with conditions in shade and light breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The average relative humidity in September is 82%.

Rainfall

In Bandafassi, during September, the rain falls for 24.5 days and regularly aggregates up to 139mm (5.47") of precipitation. Throughout the year, there are 115.7 rainfall days, and 635mm (25") of precipitation is accumulated.

Daylight

In Bandafassi, the average length of the day in September is 12h and 12min.
On the first day of the month, sunrise is at 06:38 and sunset at 18:59. On the last day of September, sunrise is at 06:38 and sunset at 18:39 GMT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 7 in September transforms into this advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

September temperatures in Bandafassi vary between a high-temperature of 31.9°C (89.4°F) and a low-temperature of 22.5°C (72.5°F). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 45°C (113°F).

In September, the average relative humidity is 82%.

In Bandafassi, in September, it is raining for 24.5 days, with typically 139mm (5.47") of accumulated precipitation.

In September, the average day length is 12h and 12min.

On the first day of September in Bandafassi, sunrise is at 06:38 and sunset at 18:59. On the last day of the month, sunrise is at 06:38 and sunset at 18:39 GMT.

In September, the average sunshine duration is 8.6h.

The average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health risk 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
Bandafassi, Senegal

  • Average high temperature in September: 31.9°C

The warmest month (with the highest average high temperature) is April (41.6°C).
The month with the lowest average high temperature is August (31.2°C).

  • Average low temperature in September: 22.5°C

The month with the highest average low temperature is May (26.9°C).
The coldest month (with the lowest average low temperature) is January (19.1°C).

Average pressure in September
Bandafassi, Senegal

  • Average pressure in September: 1012.5mbar

The months with the highest atmospheric pressure are July and August (1012.7mbar).
The month with the lowest atmospheric pressure is April (1009mbar).

Average wind speed in September
Bandafassi, Senegal

  • Average wind speed in September: 5.2km/h

The windiest month (with the highest average wind speed) is May (9.3km/h).
The calmest month (with the lowest average wind speed) is November (5km/h).

Average humidity in September
Bandafassi, Senegal

  • Average humidity in September: 82%

The month with the highest relative humidity is August (83%).
The months with the lowest relative humidity are January and February (16%).

Average rainfall in September
Bandafassi, Senegal

  • Average rainfall in September: 139mm

The wettest month (with the highest rainfall) is August (197mm).
The driest months (with the least rainfall) are January and December (0mm).

Average rainfall days in September
Bandafassi, Senegal

  • Average rainfall days in September: 24.5 days

The month with the highest number of rainy days is August (26.5 days).
The month with the least rainy days is January (0.2 days).

Average daylight in September /
Average sunshine in September
Bandafassi, 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 36min

The month with the most sunshine is March (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).

Average sunshine days in September
Bandafassi, Senegal

  • Average sunshine days in September: 4.2 days

The months with the most sunshine days are January and December (30.8 days).
The month with the least sunshine days is August (3.3 days).

Average UV index in September
Bandafassi, Senegal

  • 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 August (UV index 6).

Average cloud cover in September
Bandafassi, Senegal

  • Average cloud cover in September: 36

The month with the most cloud cover is August (Cloud cover 48).
The month with the least cloud cover is March (Cloud cover 6).

Average visibility in September
Bandafassi, Senegal

  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are August and September (8km).