September weather forecastMatoto, Sierra Leone
September
Weather in September
The first month of the autumn, September, is still a warm month in Matoto, Sierra Leone, with an average temperature ranging between max 28°C (82.4°F) and min 20.8°C (69.4°F).Temperature
Shifting into September, Matoto records an average high-temperature of a still moderately hot 28°C (82.4°F), presenting minor fluctuations compared to the previous month. Throughout September, the average low-temperature in Matoto dips to a pleasant 20.8°C (69.4°F).Heat index
Throughout September, the heat index is appraised at a tropical 34°C (93.2°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular 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 Matoto is 92%.Rainfall
In Matoto, in September, during 29.7 rainfall days, 254mm (10") of precipitation is typically accumulated. In Matoto, Sierra Leone, during the entire year, the rain falls for 209.7 days and collects up to 1688mm (66.46") of precipitation.Daylight
In Matoto, Sierra Leone, the average length of the day in September is 12h and 10min.On the first day of the month, sunrise is at 06:41 and sunset at 18:59. On the last day of September, in Matoto, Sierra Leone, sunrise is at 06:39 and sunset at 18:41 GMT.
Sunshine
In Matoto, the average sunshine in September is 5.7h.UV index
In September, the average daily maximum UV index in Matoto is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 in September translates into these instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Matoto, Sierra Leone
- 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
Matoto, Sierra Leone
- 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
Matoto, Sierra Leone
- 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
Matoto, Sierra Leone
- 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
Matoto, Sierra Leone
- 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
Matoto, Sierra Leone
- 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
Matoto, Sierra Leone
- 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
Matoto, Sierra Leone
- 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
Matoto, Sierra Leone
- 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
Matoto, Sierra Leone
- 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
Matoto, Sierra Leone
- 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).
