Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September brings with it an average high-temperature of a still moderately hot 27.5°C (81.5°F), showing a negligible variation from the month before. In September, Lepallu experiences a temperature dip to an average of 20.5°C (68.9°F) at night.Heat index
The average heat index in September is computed to be a hot 33°C (91.4°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. 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 of high significance for 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
The average relative humidity in September in Lepallu, Sierra Leone, is 93%.Rainfall
In Lepallu, Sierra Leone, in September, it is raining for 30 days, with typically 297mm (11.69") of accumulated precipitation. In Lepallu, during the entire year, the rain falls for 252.4 days and collects up to 1704mm (67.09") of precipitation.Daylight
In Lepallu, the average length of the day in September is 12h and 10min.On the first day of September, sunrise is at 06:33 and sunset at 18:49. On the last day of the month, sunrise is at 06:29 and sunset at 18:32 GMT.
Sunshine
The average sunshine in September is 4.9h.UV index
The average daily maximum UV index in September is 6. 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: A typical high UV index of 6 in September suggests the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What are the temperatures in Lepallu in September?
What is the average humidity in September in Lepallu?
How much does it rain in Lepallu in September?
How many hours of daylight does Lepallu have in September?
When is the sunrise / sunset in September in Lepallu?
How many hours of sunshine does Lepallu have in September?
How high is the UV index in September in Lepallu?
Average temperature in September
Lepallu, Sierra Leone
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is March (36.1°C).
The month with the lowest average high temperature is August (26.1°C).
- Average low temperature in September: 20.5°C
The month with the highest average low temperature is April (22.1°C).
The coldest month (with the lowest average low temperature) is December (17.5°C).
Average pressure in September
Lepallu, Sierra Leone
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is March (1010.6mbar).
Average wind speed in September
Lepallu, Sierra Leone
- Average wind speed in September: 4.3km/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 November (3.3km/h).
Average humidity in September
Lepallu, Sierra Leone
- Average humidity in September: 93%
The month with the highest relative humidity is August (94%).
The month with the lowest relative humidity is January (49%).
Average rainfall in September
Lepallu, Sierra Leone
- Average rainfall in September: 297mm
The wettest month (with the highest rainfall) is August (319mm).
The driest month (with the least rainfall) is December (7mm).
Average rainfall days in September
Lepallu, Sierra Leone
- Average rainfall days in September: 30 days
The month with the highest number of rainy days is August (30.8 days).
The months with the least rainy days are January and December (3.3 days).
Average daylight in September /
Average sunshine in September
Lepallu, Sierra Leone
- Average daylight in September: 12h and 1min
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 5min
The month with the most sunshine is January (Average sunshine: 9h and 48min).
The month with the least sunshine is August (Average sunshine: 3h and 0min).
Average sunshine days in September
Lepallu, Sierra Leone
- Average sunshine days in September: 0 days
The month with the most sunshine days is January (26.1 days).
The month with the least sunshine days is September (0 days).
Average UV index in September
Lepallu, Sierra Leone
- Average UV index in September: 6
The months with the highest UV index are January, February and March (UV index 7).
The months with the lowest UV index are June, July, August and October (UV index 5).
Average cloud cover in September
Lepallu, Sierra Leone
- Average cloud cover in September: 78
The month with the most cloud cover is August (Cloud cover 87).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in September
Lepallu, Sierra Leone
- Average visibility in September: 5km
The months with the highest visibility are January, February, March and December (9km).
The months with the lowest visibility are August and September (5km).
Lepallu, Sierra Leone
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