September weather forecastFuta, Sierra Leone
September
Weather in September
September, the first month of the autumn in Futa, is still a warm month, with temperature in the range of an average low of 21.5°C (70.7°F) and an average high of 28.4°C (83.1°F).Temperature
Transitioning from August to September, Futa observes an average high-temperature of a still warm 28.4°C (83.1°F), differing subtly from the previous month. Futa's average low-temperature for the month of September records at a pleasant 21.5°C (70.7°F).Heat index
The heat index value for September is appraised at a fiery hot 35°C (95°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.One should consider that heat index numbers are for shaded settings and light wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
In September, the average relative humidity is 92%.Rainfall
In Futa, during September, the rain falls for 29.7 days and regularly aggregates up to 260mm (10.24") of precipitation. Throughout the year, there are 270.4 rainfall days, and 1590mm (62.6") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 10min.On the first day of the month, sunrise is at 06:38 and sunset at 18:53. On the last day of September, sunrise is at 06:34 and sunset at 18:37 GMT.
Sunshine
In September, the average sunshine is 4.6h.UV index
In Futa, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 6 translates into these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Futa, Sierra Leone
- Average high temperature in September: 28.4°C
The warmest month (with the highest average high temperature) is February (36.3°C).
The month with the lowest average high temperature is August (27°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is April (23.2°C).
The coldest month (with the lowest average low temperature) is January (19.7°C).
Average pressure in September
Futa, Sierra Leone
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is July (1014.3mbar).
The months with the lowest atmospheric pressure are February and March (1010.6mbar).
Average wind speed in September
Futa, Sierra Leone
- Average wind speed in September: 4.7km/h
The windiest month (with the highest average wind speed) is August (5.5km/h).
The calmest month (with the lowest average wind speed) is November (3.4km/h).
Average humidity in September
Futa, Sierra Leone
- Average humidity in September: 92%
The month with the highest relative humidity is August (93%).
The month with the lowest relative humidity is January (65%).
Average rainfall in September
Futa, Sierra Leone
- Average rainfall in September: 260mm
The wettest month (with the highest rainfall) is August (296mm).
The driest month (with the least rainfall) is January (8mm).
Average rainfall days in September
Futa, Sierra Leone
- Average rainfall days in September: 29.7 days
The month with the highest number of rainy days is October (30.3 days).
The month with the least rainy days is January (5.8 days).
Average daylight in September /
Average sunshine in September
Futa, Sierra Leone
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in September: 4h and 36min
The month with the most sunshine is January (Average sunshine: 9h and 36min).
The month with the least sunshine is August (Average sunshine: 2h and 54min).
Average sunshine days in September
Futa, Sierra Leone
- Average sunshine days in September: 0.1 days
The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is September (0.1 days).
Average UV index in September
Futa, Sierra Leone
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April and December (UV index 7).
The months with the lowest UV index are July and August (UV index 5).
Average cloud cover in September
Futa, Sierra Leone
- Average cloud cover in September: 79
The month with the most cloud cover is August (Cloud cover 87).
The month with the least cloud cover is January (Cloud cover 25).
Average visibility in September
Futa, Sierra Leone
- Average visibility in September: 6km
The month with the highest visibility is March (9km).
The months with the lowest visibility are June, July, August, September and October (6km).
