September weather forecastMasa, Sierra Leone
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Masa, Sierra Leone, with an average temperature varying between 24°C (75.2°F) and 27.9°C (82.2°F).Temperature
On the advent of September, Masa's average high-temperature exhibits a minor adjustment to a still moderately hot 27.9°C (82.2°F) from August's 27.3°C (81.1°F). Masa's temperature during September nights registers a minor decrease to an average low of 24°C (75.2°F).Heat index
The heat index value for September is appraised at a hot 33°C (91.4°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. 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 hold particular importance for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
With an average relative humidity of 86%, September is the most humid month.Rainfall
In Masa, during September, the rain falls for 28 days and regularly aggregates up to 306mm (12.05") of precipitation. Throughout the year, there are 239 rainfall days, and 1820mm (71.65") of precipitation is accumulated.Daylight
The average length of the day in September 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 Masa, the average sunshine in September is 5.4h.UV index
January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 7 in September transforms into the following instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. 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
Masa, Sierra Leone
- Average high temperature in September: 27.9°C
The warmest month (with the highest average high temperature) is April (32.1°C).
The month with the lowest average high temperature is August (27.3°C).
- Average low temperature in September: 24°C
The month with the highest average low temperature is May (26.1°C).
The coldest month (with the lowest average low temperature) is January (23.8°C).
Average pressure in September
Masa, Sierra Leone
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is July (1013.9mbar).
The months with the lowest atmospheric pressure are February and March (1010.4mbar).
Average wind speed in September
Masa, Sierra Leone
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is August (13.1km/h).
The calmest month (with the lowest average wind speed) is November (6.6km/h).
Average humidity in September
Masa, Sierra Leone
- Average humidity in September: 86%
The month with the highest relative humidity is September (86%).
The months with the lowest relative humidity are January and February (72%).
Average rainfall in September
Masa, Sierra Leone
- Average rainfall in September: 306mm
The wettest month (with the highest rainfall) is August (389mm).
The driest month (with the least rainfall) is February (5mm).
Average rainfall days in September
Masa, Sierra Leone
- Average rainfall days in September: 28 days
The month with the highest number of rainy days is July (29.4 days).
The month with the least rainy days is February (4.5 days).
Average daylight in September /
Average sunshine in September
Masa, 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: 5h and 24min
The month with the most sunshine is January (Average sunshine: 9h and 30min).
The month with the least sunshine is August (Average sunshine: 3h and 48min).
Average sunshine days in September
Masa, Sierra Leone
- Average sunshine days in September: 1.1 days
The month with the most sunshine days is January (24.1 days).
The month with the least sunshine days is June (1 days).
Average UV index in September
Masa, Sierra Leone
- 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
Masa, Sierra Leone
- Average cloud cover in September: 63
The month with the most cloud cover is August (Cloud cover 74).
The month with the least cloud cover is January (Cloud cover 18).
Average visibility in September
Masa, Sierra Leone
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).
