September weather forecast
Boro Modi Bane, The Gambia

September

Weather in September

Boro Modi Bane in September experiences a notable descent in rainfall as it transitions from the peak rainy season. Concurrently, the relative humidity begins to decline, making the weather consequently drier. While the sunshine duration recovers slightly, the daylight hours start decreasing slowly. There's a decrease in wind intensity, offering a more tranquil atmosphere during this period. The rainfall quantity drops to 87mm (3.43"), marking the beginning of the end of the rainy season.

Temperature

Boro Modi Bane experiences an average high-temperature of a still hot 33.5°C (92.3°F) with the onset of September, subtly varied from August's 33°C (91.4°F). Boro Modi Bane records an average nighttime low-temperature of 24.2°C (75.6°F) throughout September.

Heat index

September's mean heat index is estimated at a life-threatening hot 48°C (118.4°F). Stay wary: Heat exhaustion and heat cramps are possible. Heatstroke can ensue from extended effort.
Observations indicate that the heat index values are for shady locations with light wind. 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 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

The months with the highest humidity are August and September, with an average relative humidity of 76%.

Rainfall

In Boro Modi Bane, The Gambia, in September, it is raining for 18.8 days, with typically 87mm (3.43") of accumulated precipitation. Throughout the year, there are 82.3 rainfall days, and 373mm (14.69") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 12min.
On the first day of the month, sunrise is at 06:44 and sunset at 19:07. On the last day of September, sunrise is at 06:45 and sunset at 18:46 GMT.

Sunshine

In Boro Modi Bane, the average sunshine in September is 8.8h.

UV index

January, February, July through September and December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 7 suggests these recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

How hot does it get in September?
The average high-temperature and low-temperature during September are 33.5°C (92.3°F) and 24.2°C (75.6°F) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 48°C (118.4°F).
What is the most humid month?
The months with the highest humidity are August and September, with an average relative humidity of 76%.
What is the average humidity in September in Boro Modi Bane?
The average relative humidity in September is 76%.
How many days does it rain in September in Boro Modi Bane?
In Boro Modi Bane, in September, it is raining for 18.8 days, with typically 87mm (3.43") of accumulated precipitation.
What is the average length of the day 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 06:44 and sunset at 19:07. On the last day of the month, sunrise is at 06:45 and sunset at 18:46 GMT.
How many hours of sunshine does Boro Modi Bane have in September?
The average sunshine duration in September is 8.8h.
What are the months with the lowest 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.
What is the UV index intensity in September?
In Boro Modi Bane, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Boro Modi Bane, The Gambia
  • 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
Boro Modi Bane, The Gambia
  • 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
Boro Modi Bane, The Gambia
  • 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
Boro Modi Bane, The Gambia
  • 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
Boro Modi Bane, The Gambia
  • 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
Boro Modi Bane, The Gambia
  • 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
Boro Modi Bane, 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 24min).

  • Average sunshine in September: 8h and 5min

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
Boro Modi Bane, The Gambia
  • 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
Boro Modi Bane, The Gambia
  • 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
Boro Modi Bane, The Gambia
  • 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
Boro Modi Bane, 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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