September weather forecastManéah, Guinea
September
Weather in September
The first month of the autumn, September, is still a warm month in Manéah, Guinea, with temperature in the range of an average high of 27.9°C (82.2°F) and an average low of 24.1°C (75.4°F).Temperature
In September, the average high-temperature registers at a still moderately hot 27.9°C (82.2°F), nearly identical to August's 27°C (80.6°F). The nights of September in Manéah cool down to an average low of 24.1°C (75.4°F), subtly lower than daytime highs.Heat index
The average heat index in September is evaluated at a tropical 33°C (91.4°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Consider that heat index readings are for situations in the shade and light wind. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
In Manéah, the average relative humidity in September is 85%.Rainfall
In September, in Manéah, the rain falls for 24.7 days. Throughout September, 181mm (7.13") of precipitation is accumulated. In Manéah, Guinea, during the entire year, the rain falls for 172.9 days and collects up to 1410mm (55.51") of precipitation.Daylight
The average length of the day in September is 12h and 11min.On the first day of September, sunrise is at 06:44 and sunset at 19:02. On the last day of the month, sunrise is at 06:42 and sunset at 18:44 GMT.
Sunshine
The average sunshine in September is 6.5h.UV index
The months with the highest UV index in Manéah are January through June, September through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 7 translates into these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Manéah, Guinea
- Average high temperature in September: 27.9°C
The warmest month (with the highest average high temperature) is December (31.1°C).
The month with the lowest average high temperature is August (27°C).
- Average low temperature in September: 24.1°C
The months with the highest average low temperature are May and June (25.4°C).
The coldest month (with the lowest average low temperature) is February (22.8°C).
Average pressure in September
Manéah, Guinea
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is July (1013.7mbar).
The months with the lowest atmospheric pressure are February and March (1010.5mbar).
Average wind speed in September
Manéah, Guinea
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is August (11.5km/h).
The calmest month (with the lowest average wind speed) is November (7.1km/h).
Average humidity in September
Manéah, Guinea
- Average humidity in September: 85%
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (63%).
Average rainfall in September
Manéah, Guinea
- Average rainfall in September: 181mm
The wettest month (with the highest rainfall) is August (478mm).
The driest month (with the least rainfall) is February (1mm).
Average rainfall days in September
Manéah, Guinea
- Average rainfall days in September: 24.7 days
The month with the highest number of rainy days is August (28.3 days).
The month with the least rainy days is January (1 days).
Average daylight in September /
Average sunshine in September
Manéah, 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 30min
The months with the most sunshine are February and March (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 4h and 30min).
Average sunshine days in September
Manéah, Guinea
- Average sunshine days in September: 4.3 days
The month with the most sunshine days is January (29.7 days).
The month with the least sunshine days is August (2.3 days).
Average UV index in September
Manéah, Guinea
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover in September
Manéah, Guinea
- Average cloud cover in September: 57
The month with the most cloud cover is August (Cloud cover 71).
The month with the least cloud cover is February (Cloud cover 9).
Average visibility in September
Manéah, Guinea
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).
