September weather forecastConakry, Guinea

Weather in September

As September steps in, it announces the farewell of monsoons and initiates an adjective transition phase marked by declining rainfall and humidity. Compared to August, rainfall volume reduces drastically from a high 478mm (18.82") to a moderate 181mm (7.13"). Subdued showers uplift the spirit of the city as it gears up to witness the better part of the year. A slight rise in sunshine duration further adds up to the daily weather treats. While the temperature remains fairly unaffected, the overall composition of the city’s climate signals towards pleasant times ahead.

Temperature

As Conakry transitions into September, the average high-temperature stands at a still moderately hot 27.9°C (82.2°F), offering little variation from the preceding month. A modest dip in temperatures to an average of 24.1°C (75.4°F) is observed throughout Conakry's September nights.

Heat index

For September, the heat index is estimated at a tropical 33°C (91.4°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. 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. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

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

Rainfall

In Conakry, in September, during 24.7 rainfall days, 181mm (7.13") of precipitation is typically accumulated. In Conakry, 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: Ideal surface water temperatures for any water activity fall between 25°C (77°F) and 29°C (84.2°F), offering maximum enjoyment for lengthened periods.

Daylight

In September, the average length of the day in Conakry is 12h and 11min.
On the first day of the month, sunrise is at 06:45 and sunset at 19:03. On the last day of September, in Conakry, sunrise is at 06:42 and sunset at 18:45 GMT.

Sunshine

In September, the average sunshine is 6.5h.

UV index

The months with the highest UV index in Conakry are January through June, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 7 in September translates into this advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take note! The UV strength of the Sun elevates when reflected off water and sand.