September weather forecastBatbai, Sierra Leone
September
Weather in September
The first month of the autumn, September, is still a warm month in Batbai, Sierra Leone, with an average temperature fluctuating between 28°C (82.4°F) and 24.3°C (75.7°F).Temperature
Batbai's September showcases an average high-temperature of a still warm 28°C (82.4°F), hardly distinct from August's 27.3°C (81.1°F). During the September nights, Batbai's temperature maintains an average close to the daytime highs, settling at a still moderately hot 24.3°C (75.7°F).Heat index
Throughout September, the heat index is evaluated at a tropical 33°C (91.4°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.Always consider that heat index estimations are for light winds and places in the shade. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. 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 relevant to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in September is 85%.Rainfall
In Batbai, in September, it is raining for 28.8 days, with typically 247mm (9.72") of accumulated precipitation. In Batbai, during the entire year, the rain falls for 206.1 days and collects up to 1534mm (60.39") of precipitation.Daylight
The average length of the day in September is 12h and 10min.On the first day of the month, sunrise is at 06:43 and sunset at 18:59. On the last day of September, in Batbai, sunrise is at 06:39 and sunset at 18:43 GMT.
Sunshine
In September, the average sunshine in Batbai is 6.6h.UV index
The months with the highest UV index are January through June, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 7 transforms into these recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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
Batbai, Sierra Leone
- Average high temperature in September: 28°C
The warmest month (with the highest average high temperature) is January (31.4°C).
The month with the lowest average high temperature is August (27.3°C).
- Average low temperature in September: 24.3°C
The month with the highest average low temperature is May (26.2°C).
The coldest month (with the lowest average low temperature) is August (23.9°C).
Average pressure in September
Batbai, Sierra Leone
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is July (1013.8mbar).
The months with the lowest atmospheric pressure are February and March (1010.4mbar).
Average wind speed in September
Batbai, Sierra Leone
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is August (12km/h).
The calmest month (with the lowest average wind speed) is November (6.8km/h).
Average humidity in September
Batbai, Sierra Leone
- Average humidity in September: 85%
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (68%).
Average rainfall in September
Batbai, Sierra Leone
- Average rainfall in September: 247mm
The wettest month (with the highest rainfall) is August (391mm).
The driest month (with the least rainfall) is February (1mm).
Average rainfall days in September
Batbai, Sierra Leone
- Average rainfall days in September: 28.8 days
The month with the highest number of rainy days is July (30.3 days).
The month with the least rainy days is February (0.8 days).
Average daylight in September /
Average sunshine in September
Batbai, 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: 6h and 36min
The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 4h and 48min).
Average sunshine days in September
Batbai, Sierra Leone
- Average sunshine days in September: 0.8 days
The month with the most sunshine days is January (29 days).
The month with the least sunshine days is August (0.5 days).
Average UV index in September
Batbai, 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
Batbai, Sierra Leone
- Average cloud cover in September: 56
The month with the most cloud cover is August (Cloud cover 67).
The month with the least cloud cover is February (Cloud cover 11).
Average visibility in September
Batbai, Sierra Leone
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).





