September weather forecastMount Aureol, Sierra Leone

September

Weather in September

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

Temperature

The average high-temperature during September registers at a still moderately hot 28.1°C (82.6°F), maintaining a close resemblance to the previous month. Mount Aureol's average nighttime temperature in September modestly descends to a still warm 24.4°C (75.9°F).

Heat index

The average heat index in September is estimated at a tropical 33°C (91.4°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In September, the average relative humidity is 85%.

Rainfall

In Mount Aureol, in September, it is raining for 28.6 days, with typically 220mm (8.66") of accumulated precipitation. In Mount Aureol, during the entire year, the rain falls for 205.9 days and collects up to 1507mm (59.33") of precipitation.

Daylight

In Mount Aureol, the average length of the day in September is 12h and 10min.
On the first day of September, sunrise is at 06:44 and sunset at 19:00. On the last day of the month, sunrise is at 06:41 and sunset at 18:44 GMT.

Sunshine

The average sunshine in September in Mount Aureol 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 in Mount Aureol. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 7 during September translates into the following guidance:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

In September, in Mount Aureol, the average high-temperature is 28.1°C (82.6°F), and the average low-temperature is 24.4°C (75.9°F). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 33°C (91.4°F).

In Mount Aureol, the average relative humidity in September is 85%.

In Mount Aureol, in September, during 28.6 rainfall days, 220mm (8.66") of precipitation is typically accumulated.

In Mount Aureol, Sierra Leone, the average day length in September is 12h and 10min.

In September, on the first day of the month, sunrise is at 06:44 and sunset at 19:00. On the last day of the month, in Mount Aureol, Sierra Leone, sunrise is at 06:41 and sunset at 18:44 GMT.

In Mount Aureol, Sierra Leone, the average sunshine duration in September is 6.7h.

The months with the highest UV index in Mount Aureol, Sierra Leone, are January through June, September through December, with an average maximum UV index of 7.

In Mount Aureol, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Mount Aureol, 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
Mount Aureol, 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
Mount Aureol, 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
Mount Aureol, 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
Mount Aureol, 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
Mount Aureol, 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
Mount Aureol, 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 36min).

  • Average sunshine in September: 6h and 42min

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
Mount Aureol, 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
Mount Aureol, 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
Mount Aureol, 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
Mount Aureol, 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).