September weather forecastMbulum, The Gambia
September
Weather in September
September, the first month of the autumn in Mbulum, is still a tropical month, with temperature in the range of an average low of 24.6°C (76.3°F) and an average high of 32°C (89.6°F).Temperature
At the start of September, Mbulum's average high-temperature reaches a still tropical 32°C (89.6°F), subtly different from the preceding month. During September nights, Mbulum records an average temperature of 24.6°C (76.3°F).Heat index
September's mean heat index is appraised at an extremely hot 44°C (111.2°F). Be prepared: Heat cramps and heat exhaustion are probable. Continued activity may lead to heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
September is the most humid month, with an average relative humidity of 80%.Rainfall
In Mbulum, during September, the rain falls for 20 days and regularly aggregates up to 115mm (4.53") of precipitation. In Mbulum, The Gambia, during the entire year, the rain falls for 84.2 days and collects up to 453mm (17.83") of precipitation.Daylight
In September, the average length of the day in Mbulum is 12h and 12min.On the first day of September, sunrise is at 06:54 and sunset at 19:16. On the last day of the month, sunrise is at 06:54 and sunset at 18:55 GMT.
Sunshine
In September, the average sunshine is 8.1h.UV index
The months with the lowest UV index in Mbulum are January through March, June through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 7 in September transforms into the following instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mbulum, The Gambia
- Average high temperature in September: 32°C
The warmest month (with the highest average high temperature) is April (38.4°C).
The month with the lowest average high temperature is August (31.5°C).
- Average low temperature in September: 24.6°C
The month with the highest average low temperature is July (25.6°C).
The coldest month (with the lowest average low temperature) is January (20.6°C).
Average pressure in September
Mbulum, The Gambia
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is July (1012.4mbar).
The month with the lowest atmospheric pressure is April (1009.9mbar).
Average wind speed in September
Mbulum, The Gambia
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is February (13.5km/h).
The calmest month (with the lowest average wind speed) is September (8.8km/h).
Average humidity in September
Mbulum, The Gambia
- Average humidity in September: 80%
The month with the highest relative humidity is September (80%).
The month with the lowest relative humidity is January (20%).
Average rainfall in September
Mbulum, The Gambia
- Average rainfall in September: 115mm
The wettest month (with the highest rainfall) is August (188mm).
The driest months (with the least rainfall) are January, February, April and December (0mm).
Average rainfall days in September
Mbulum, The Gambia
- Average rainfall days in September: 20 days
The month with the highest number of rainy days is August (22.4 days).
The months with the least rainy days are January, February, March and December (0.3 days).
Average daylight in September /
Average sunshine in September
Mbulum, The Gambia
- 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 18min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is April (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 6h and 54min).
Average sunshine days in September
Mbulum, The Gambia
- Average sunshine days in September: 8.6 days
The months with the most sunshine days are January and December (30.7 days).
The month with the least sunshine days is August (6.8 days).
Average UV index in September
Mbulum, The Gambia
- Average UV index in September: 7
The months with the highest UV index are April and May (UV index 8).
The months with the lowest UV index are January, February, March, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Mbulum, The Gambia
- Average cloud cover in September: 39
The month with the most cloud cover is August (Cloud cover 50).
The month with the least cloud cover is April (Cloud cover 6).
Average visibility in September
Mbulum, 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).
