September weather forecastMoyamba, Sierra Leone

Weather in September

Moyamba in September starts revealing the end of the rainy season. The temperatures slightly begin to rise while the rainfall reduces gradually. The lengthy daylight hours persist while wind speeds slightly descend. The humidity levels remain significantly high although not as pronounced as in the peak rainy season. Importantly, September records a significant dip in rainfall to 247mm (9.72"), signaling the fading wet season.

Temperature

As Moyamba steps into September, the average high-temperature holds at a still moderately hot 28.8°C (83.8°F), hinting at a minor fluctuation from the prior month. An average temperature of 22.1°C (71.8°F) is recorded during the nights in September.

Heat index

The heat index value for September is calculated to be a sweltering 37°C (98.6°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Note that heat index values are valued for light wind and location in the shade. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

August and September, with an average relative humidity of 92%, are the most humid months.

Rainfall

In Moyamba, in September, during 28.7 rainfall days, 247mm (9.72") of precipitation is typically accumulated. Throughout the year, there are 249.6 rainfall days, and 1612mm (63.46") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 10min.
On the first day of September, sunrise is at 06:41 and sunset at 18:57. On the last day of the month, sunrise is at 06:37 and sunset at 18:41 GMT.

Sunshine

In Moyamba, the average sunshine in September is 4.8h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.