September weather forecast
Bilafu, Sierra Leone

The first month of the autumn, September, is also a moderately hot month in Bilafu, Sierra Leone, with an average temperature ranging between min 21.8°C (71.2°F) and max 28.9°C (84°F).

Temperature

With the transition into September, Bilafu notes an average high-temperature of a still warm 28.9°C (84°F), closely resembling August. During the September nights, an average temperature of 21.8°C (71.2°F) is observed in Bilafu.

Heat index

The heat index for September is evaluated at a fiery hot 37°C (98.6°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Understanding the heat index involves considering values for shaded locales with light wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', combines both the air temperature and the humidity level to give a perceived human temperature. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In September, the average relative humidity in Bilafu is 92%.

Rainfall

In September, the rain falls for 28.6 days. Throughout September, 261mm (10.28") of precipitation is accumulated. In Bilafu, during the entire year, the rain falls for 225.8 days and collects up to 1471mm (57.91") of precipitation.

Daylight

In Bilafu, the average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 06:40 and sunset at 18:57. On the last day of September, sunrise is at 06:37 and sunset at 18:40 GMT.

Sunshine

In September, the average sunshine is 5.2h.

UV index

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 6 in September translates into these instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.