September weather forecast
Boulsa, Burkina Faso

September indicates a climatic shift with the weather in Boulsa slowly transitioning into the drier period. A sizable drop in rainfall to 45mm (1.77") signifies the receding of the wet season. Conditions become less humid with a drop to 65% relative humidity. Despite cloud cover dropping to 23%, Boulsa enjoys a mean of 12.2 daylight hours. Temperature averages around 33.5°C (92.3°F) which is slightly cooler compared to the scorching summer months.

Temperature

Boulsa registers an average high-temperature of a still hot 33.5°C (92.3°F) at the commencement of September, closely related to the preceding month. Boulsa experiences an average low-temperature reading of 24.2°C (75.6°F) throughout September.

Heat index

For most parts of September, the heat index is appraised at an extremely hot 43°C (109.4°F). Be alert: Heat exhaustion along with heat cramps are probable. Heatstroke is a threat with sustained physical activity.
Remember that heat index calculations are made for conditions in the shade with light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are of high significance for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

The average relative humidity in September is 65%.

Rainfall

In Boulsa, during September, the rain falls for 12.7 days and regularly aggregates up to 45mm (1.77") of precipitation. Throughout the year, there are 77.9 rainfall days, and 310mm (12.2") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 12min.
On the first day of September in Boulsa, sunrise is at 05:51 and sunset at 18:12. On the last day of the month, sunrise is at 05:51 and sunset at 17:52 GMT.

Sunshine

The average sunshine in September is 11h.

UV index

March through June and September, with an average maximum UV index of 8, are months with the highest UV index. A UV Index estimate of 8 to 10 represents a very high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 8 in September interprets into the following advice:
Be constantly cautious; skin and eyes can be quickly affected if left unprotected. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.