September weather forecast
Gbonkomakent, Sierra Leone

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Gbonkomakent, Sierra Leone, with an average temperature varying between 28.1°C (82.6°F) and 24.4°C (75.9°F).

Temperature

Transitioning from August to September, Gbonkomakent observes an average high-temperature of a still warm 28.1°C (82.6°F), differing subtly from the previous month. September nights witness a mild cool down to an average low of 24.4°C (75.9°F).

Heat index

Throughout September, the heat index is computed to be a tropical 33°C (91.4°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

In Gbonkomakent, Sierra Leone, the average relative humidity in September is 85%.

Rainfall

In September, the rain falls for 28.6 days. Throughout September, 220mm (8.66") of precipitation is accumulated. Throughout the year, in Gbonkomakent, there are 205.9 rainfall days, and 1507mm (59.33") 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 06:42 and sunset at 18:59. On the last day of September, in Gbonkomakent, Sierra Leone, sunrise is at 06:39 and sunset at 18:42 GMT.

Sunshine

In September, the average sunshine is 6.7h.

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 value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: During September, 7 as the daily maximum UV index converts into the following advice:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

Is it hot in Gbonkomakent during September?
In September, the average high-temperature and low-temperature in Gbonkomakent, Sierra Leone, are 28.1°C (82.6°F) and 24.4°C (75.9°F) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is computed to be 33°C (91.4°F).
What is the average humidity in September in Gbonkomakent?
In Gbonkomakent, the average relative humidity in September is 85%.
How much does it rain in Gbonkomakent in September?
In September, in Gbonkomakent, Sierra Leone, the rain falls for 28.6 days. Throughout September, 220mm (8.66") of precipitation is accumulated.
What is the average length of the day in September in Gbonkomakent?
The average day length in September is 12h and 10min.
When are sunrise and sunset in September in Gbonkomakent?
On the first day of September, sunrise is at 06:42 and sunset at 18:59. On the last day of the month, sunrise is at 06:39 and sunset at 18:42 GMT.
How long on average sun shines in September in Gbonkomakent?
In Gbonkomakent, Sierra Leone, the average sunshine duration in September is 6.7h.
When is the highest UV index in Gbonkomakent?
January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index in Gbonkomakent, Sierra Leone.
What is the UV index intensity in September in Gbonkomakent?
The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Gbonkomakent, Sierra Leone
  • Average high temperature in September: 28.1°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: 24.4°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
Gbonkomakent, 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
Gbonkomakent, Sierra Leone
  • Average wind speed in September: 9.5km/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
Gbonkomakent, 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
Gbonkomakent, Sierra Leone
  • Average rainfall in September: 220mm

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
Gbonkomakent, Sierra Leone
  • Average rainfall days in September: 28.6 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
Gbonkomakent, 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 36min).

  • Average sunshine in September: 6h and 4min

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
Gbonkomakent, 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
Gbonkomakent, 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
Gbonkomakent, Sierra Leone
  • Average cloud cover in September: 55

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
Gbonkomakent, 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).

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