September weather forecastBuma, Sierra Leone
September
Weather in September
September, the first month of the autumn in Buma, is still a warm month, with an average temperature varying between 28.4°C (83.1°F) and 21.5°C (70.7°F).Temperature
September's presence marks an average high-temperature of a still moderately hot 28.4°C (83.1°F), subtly varied from August's 27°C (80.6°F). Buma's temperature in September lowers to a consistent average of 21.5°C (70.7°F) during the nights.Heat index
September's heat index is appraised at a very hot 35°C (95°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.It is crucial to understand that heat index figures are for shade and gentle wind conditions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of 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. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
In September, the average relative humidity is 92%.Rainfall
In Buma, during September, the rain falls for 29.7 days and regularly aggregates up to 260mm (10.24") of precipitation. In Buma, during the entire year, the rain falls for 270.4 days and collects up to 1590mm (62.6") of precipitation.Daylight
In September, the average length of the day is 12h and 10min.On the first day of September, sunrise is at 06:36 and sunset at 18:51. On the last day of the month, sunrise is at 06:32 and sunset at 18:36 GMT.
Sunshine
The average sunshine in September is 4.6h.UV index
In Buma, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. 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. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Buma, 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
Buma, 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
Buma, 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
Buma, 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
Buma, 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
Buma, 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
Buma, 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
Buma, 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
Buma, 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
Buma, 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
Buma, 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).
