September weather forecast
Boffa, Guinea

September marks a gradual transition from the heavy showers. Though rainfall reduces to 181mm (7.13"), it remains significant, keeping Boffa’s monsoonal allure intact. The tropical-clad city witnesses a marginal drop in temperature, preparing for the upcoming cooler months. The days remain relatively cloudy, infusing an overcast mood into the city. However, the slight increase in sunlight from August offers a silver lining, paving the way towards the end of the monsoon season.

Temperature

Boffa's shift into September sets the average high-temperature at a still warm 27.9°C (82.2°F), a figure that deviates only slightly from August's 27°C (80.6°F). In Boffa, the nocturnal temperatures throughout September show a marginal dip from the daytime averages, settling at a still warm 24.1°C (75.4°F).

Heat index

Throughout September, the heat index is calculated to be a hot 33°C (91.4°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

In Boffa, the average relative humidity in September is 85%.

Rainfall

In Boffa, Guinea, during September, the rain falls for 24.7 days and regularly aggregates up to 181mm (7.13") of precipitation. In Boffa, during the entire year, the rain falls for 172.9 days and collects up to 1410mm (55.51") of precipitation.

Sea temperature

In September, the average sea temperature is 27.8°C (82°F).
Note: Water surface temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.

Daylight

The average length of the day in September in Boffa, Guinea, is 12h and 11min.
On the first day of September, sunrise is at 06:46 and sunset at 19:05. On the last day of the month, sunrise is at 06:44 and sunset at 18:47 GMT.

Sunshine

In September, the average sunshine in Boffa is 6.5h.

UV index

The months with the highest UV index in Boffa, Guinea, are January through June, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a daily UV index of 7 turns into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.