September weather forecastBentroya, Guinea
September
Weather in September
The first month of the autumn, September, is still a warm month in Bentroya, Guinea, with an average temperature varying between 27.9°C (82.2°F) and 24.1°C (75.4°F).Temperature
September is marked by an average high-temperature of a still warm 27.9°C (82.2°F), almost identical to the preceding month. During the month of September, Bentroya's average nighttime temperature closely mirrors its daytime counterpart, at a still warm 24.1°C (75.4°F).Heat index
September's average heat index is estimated at a hot 33°C (91.4°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.Evaluating the heat index requires understanding its values in the shade and with gentle winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
The average relative humidity in September is 85%.Rainfall
In Bentroya, in September, it is raining for 24.7 days, with typically 181mm (7.13") of accumulated precipitation. Throughout the year, there are 172.9 rainfall days, and 1410mm (55.51") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 06:44 and sunset at 19:02. On the last day of September, sunrise is at 06:42 and sunset at 18:44 GMT.
Sunshine
In September, the average sunshine is 6.5h.UV index
January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index in Bentroya. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 7 in September translates into this advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bentroya, 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
Bentroya, 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
Bentroya, 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
Bentroya, 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
Bentroya, 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
Bentroya, 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
Bentroya, 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
Bentroya, 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
Bentroya, 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
Bentroya, 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
Bentroya, 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).
