September weather forecastOuélia, Guinea
September
Weather in September
September, the first month of the autumn in Ouélia, is still a warm month, with an average temperature fluctuating between 20.8°C (69.4°F) and 28°C (82.4°F).Temperature
September's beginning signals an average high-temperature of a still moderately hot 28°C (82.4°F), barely different from August's 26.8°C (80.2°F). Ouélia throughout September, experiences an average nighttime temperature of 20.8°C (69.4°F).Heat index
For most parts of September, the heat index is calculated to be a tropical 34°C (93.2°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
The average relative humidity in September is 92%.Rainfall
In Ouélia, during September, the rain falls for 29.7 days and regularly aggregates up to 254mm (10") of precipitation. Throughout the year, there are 209.7 rainfall days, and 1688mm (66.46") of precipitation is accumulated.Daylight
In September, the average length of the day in Ouélia is 12h and 11min.On the first day of September in Ouélia, sunrise is at 06:40 and sunset at 18:58. On the last day of the month, sunrise is at 06:38 and sunset at 18:41 GMT.
Sunshine
In September, the average sunshine is 5.7h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 6 during September leads to these advisories:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ouélia, Guinea
- Average high temperature in September: 28°C
The warmest month (with the highest average high temperature) is March (39.2°C).
The month with the lowest average high temperature is August (26.8°C).
- Average low temperature in September: 20.8°C
The month with the highest average low temperature is May (22.8°C).
The coldest month (with the lowest average low temperature) is January (18.1°C).
Average pressure in September
Ouélia, Guinea
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is July (1014mbar).
The months with the lowest atmospheric pressure are March and April (1010.5mbar).
Average wind speed in September
Ouélia, Guinea
- Average wind speed in September: 4km/h
The windiest month (with the highest average wind speed) is April (5.5km/h).
The calmest month (with the lowest average wind speed) is October (3.4km/h).
Average humidity in September
Ouélia, Guinea
- Average humidity in September: 92%
The month with the highest relative humidity is August (94%).
The month with the lowest relative humidity is January (43%).
Average rainfall in September
Ouélia, Guinea
- Average rainfall in September: 254mm
The wettest month (with the highest rainfall) is August (436mm).
The driest months (with the least rainfall) are January and February (1mm).
Average rainfall days in September
Ouélia, Guinea
- Average rainfall days in September: 29.7 days
The month with the highest number of rainy days is August (30.8 days).
The month with the least rainy days is February (0.8 days).
Average daylight in September /
Average sunshine in September
Ouélia, 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: 5h and 42min
The months with the most sunshine are January, February, March and December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 3h and 48min).
Average sunshine days in September
Ouélia, Guinea
- Average sunshine days in September: 0.1 days
The month with the most sunshine days is January (29.7 days).
The months with the least sunshine days are August and September (0.1 days).
Average UV index in September
Ouélia, Guinea
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April and November (UV index 7).
The months with the lowest UV index are July and August (UV index 5).
Average cloud cover in September
Ouélia, Guinea
- Average cloud cover in September: 71
The month with the most cloud cover is August (Cloud cover 82).
The month with the least cloud cover is February (Cloud cover 9).
Average visibility in September
Ouélia, 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).
