September weather forecastTombolon, Guinea
September
Weather in September
September, the first month of the autumn in Tombolon, is still a warm month, with an average temperature fluctuating between 24.1°C (75.4°F) and 27.9°C (82.2°F).Temperature
Tombolon observes an average high-temperature of a still moderately hot 27.9°C (82.2°F) in September, barely different from 27°C (80.6°F) in August. The nights of September in Tombolon anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 24.1°C (75.4°F).Heat index
The heat index value for September is computed to be a hot 33°C (91.4°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.Always consider that heat index estimations are for light winds and places in the shade. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
In September, the average relative humidity is 85%.Rainfall
In Tombolon, Guinea, in September, it is raining for 24.7 days, with typically 181mm (7.13") of accumulated precipitation. Throughout the year, in Tombolon, there are 172.9 rainfall days, and 1410mm (55.51") of precipitation is accumulated.Daylight
In Tombolon, the average length of the day in September is 12h and 11min.On the first day of September in Tombolon, 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 18:45 GMT.
Sunshine
The average sunshine in September in Tombolon is 6.5h.UV index
The months with the highest UV index in Tombolon are January through June, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tombolon, 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
Tombolon, 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
Tombolon, 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
Tombolon, 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
Tombolon, 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
Tombolon, 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
Tombolon, 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
Tombolon, 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
Tombolon, 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
Tombolon, 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
Tombolon, 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).
