September weather forecastBarendou, Guinea
September
Weather in September
The first month of the autumn, September, is still a warm month in Barendou, Guinea, with an average temperature varying between 20.3°C (68.5°F) and 28.7°C (83.7°F).Temperature
The beginning of September records an average high-temperature of a still moderately hot 28.7°C (83.7°F), almost echoing the conditions of the previous month. Barendou observes an average nighttime low-temperature of 20.3°C (68.5°F) during the month of September.Heat index
The heat index value for September is appraised at a torrid 36°C (96.8°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
In September, the average relative humidity in Barendou is 89%.Rainfall
In Barendou, Guinea, in September, it is raining for 28.6 days, with typically 171mm (6.73") of accumulated precipitation. In Barendou, during the entire year, the rain falls for 177.5 days and collects up to 968mm (38.11") of precipitation.Daylight
The average length of the day in September in Barendou is 12h and 10min.On the first day of the month, sunrise is at 06:31 and sunset at 18:49. On the last day of September, in Barendou, Guinea, sunrise is at 06:28 and sunset at 18:31 GMT.
Sunshine
The average sunshine in September in Barendou, Guinea, is 6.9h.UV index
The average daily maximum UV index in September in Barendou is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Barendou, Guinea
- Average high temperature in September: 28.7°C
The warmest month (with the highest average high temperature) is March (38.9°C).
The month with the lowest average high temperature is August (27.3°C).
- Average low temperature in September: 20.3°C
The month with the highest average low temperature is April (23.1°C).
The coldest month (with the lowest average low temperature) is December (17.2°C).
Average pressure in September
Barendou, Guinea
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is July (1014.1mbar).
The month with the lowest atmospheric pressure is April (1010.2mbar).
Average wind speed in September
Barendou, Guinea
- Average wind speed in September: 5.4km/h
The windiest month (with the highest average wind speed) is May (7.9km/h).
The calmest months (with the lowest average wind speed) are October and November (4.8km/h).
Average humidity in September
Barendou, Guinea
- Average humidity in September: 89%
The month with the highest relative humidity is August (91%).
The month with the lowest relative humidity is January (25%).
Average rainfall in September
Barendou, Guinea
- Average rainfall in September: 171mm
The wettest month (with the highest rainfall) is August (228mm).
The driest month (with the least rainfall) is December (0mm).
Average rainfall days in September
Barendou, Guinea
- Average rainfall days in September: 28.6 days
The month with the highest number of rainy days is September (28.6 days).
The month with the least rainy days is December (0.4 days).
Average daylight in September /
Average sunshine in September
Barendou, Guinea
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in September: 6h and 54min
The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 5h and 12min).
Average sunshine days in September
Barendou, Guinea
- Average sunshine days in September: 0.9 days
The month with the most sunshine days is December (30.4 days).
The month with the least sunshine days is September (0.9 days).
Average UV index in September
Barendou, Guinea
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April and May (UV index 7).
The months with the lowest UV index are July and August (UV index 5).
Average cloud cover in September
Barendou, Guinea
- Average cloud cover in September: 63
The month with the most cloud cover is August (Cloud cover 77).
The month with the least cloud cover is December (Cloud cover 8).
Average visibility in September
Barendou, Guinea
- Average visibility in September: 6km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are July, August and September (6km).





