September weather forecast
Bambali, The Gambia

September

Weather in September

September ushers in a gradual switch in Bambali's weather, as the rainy season starts winding down. The significant reduction in rainfall to 90mm (3.54") hints at the transitional phase. Daylight hours begin to recede, signaling the approaching end of longer days. The temperatures seemingly plateau, rendering a steady warmth to the environment. The departing rain clouds create picturesque dawns and dusks, igniting the skies with brilliant hues.

Temperature

With the onset of September, a modest change to a still hot 33.6°C (92.5°F) from August's 33.4°C (92.1°F) is noted in high-temperature. Throughout September, Bambali records an average temperature of 24°C (75.2°F) at night.

Heat index

September's heat index is calculated to be a life-threatening hot 49°C (120.2°F). Mind: Heat cramps along with heat exhaustion are anticipated. Heatstroke can develop with continued physical activity.
Heat index determinations are made taking into account the shade and light air movements. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

The most humid month is September, with an average relative humidity of 77%.

Rainfall

In Bambali, in September, it is raining for 20.5 days, with typically 90mm (3.54") of accumulated precipitation. In Bambali, during the entire year, the rain falls for 87.2 days and collects up to 344mm (13.54") of precipitation.

Daylight

In Bambali, The Gambia, the average length of the day in September is 12h and 12min.
On the first day of the month, sunrise is at 06:49 and sunset at 19:12. On the last day of September, sunrise is at 06:50 and sunset at 18:51 GMT.

Sunshine

In Bambali, the average sunshine in September is 8.5h.

UV index

January, February, July through September, November and December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 7 during September translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

How hot does it get in September?
September temperatures vary between a high-temperature of 33.6°C (92.5°F) and a low-temperature of 24°C (75.2°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is calculated to be 49°C (120.2°F).
What is the most humid month?
The most humid month is September, with an average relative humidity of 77%.
What is the average humidity in September?
The average relative humidity in September is 77%.
How many days does it rain in September?
In September, in Bambali, the rain falls for 20.5 days. Throughout September, 90mm (3.54") of precipitation is accumulated.
How many hours of daylight does Bambali have in September?
In September, the average day length is 12h and 12min.
When are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 06:49 and sunset at 19:12. On the last day of the month, sunrise is at 06:50 and sunset at 18:51 GMT.
How many hours of sunshine does Bambali have in September?
In September, the average sunshine duration is 8.5h.
What is the month with the lowest UV index?
January, February, July through September, November and December, with an average maximum UV index of 7, are months with the lowest UV index.
What is the UV index intensity in September?
In Bambali, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Bambali, The Gambia
  • Average high temperature in September: 33.6°C

The warmest month (with the highest average high temperature) is April (42°C).
The month with the lowest average high temperature is August (33.4°C).

  • Average low temperature in September: 24°C

The month with the highest average low temperature is June (26°C).
The coldest month (with the lowest average low temperature) is January (19.5°C).

Average pressure in September
Bambali, The Gambia
  • Average pressure in September: 1011.7mbar

The month with the highest atmospheric pressure is January (1012.2mbar).
The month with the lowest atmospheric pressure is April (1009.1mbar).

Average wind speed in September
Bambali, The Gambia
  • Average wind speed in September: 7.7km/h

The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest months (with the lowest average wind speed) are September and October (7.7km/h).

Average humidity in September
Bambali, The Gambia
  • Average humidity in September: 77%

The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is January (15%).

Average rainfall in September
Bambali, The Gambia
  • Average rainfall in September: 90mm

The wettest month (with the highest rainfall) is August (128mm).
The driest months (with the least rainfall) are January, February, March and December (0mm).

Average rainfall days in September
Bambali, The Gambia
  • Average rainfall days in September: 20.5 days

The month with the highest number of rainy days is August (22.8 days).
The months with the least rainy days are January and February (0.1 days).

Average daylight in September /
Average sunshine in September
Bambali, The Gambia
  • Average daylight in September: 12h and 1min

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 18min).

  • Average sunshine in September: 8h and 3min

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 24min).

Average sunshine days in September
Bambali, The Gambia
  • Average sunshine days in September: 8.1 days

The month with the most sunshine days is January (30.9 days).
The month with the least sunshine days is August (6.1 days).

Average UV index in September
Bambali, The Gambia
  • Average UV index in September: 7

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

Average cloud cover in September
Bambali, The Gambia
  • Average cloud cover in September: 36

The month with the most cloud cover is August (Cloud cover 46).
The month with the least cloud cover is April (Cloud cover 5).

Average visibility in September
Bambali, The Gambia
  • 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).

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