September weather forecastMatinta, Sierra Leone

September

Weather in September

The first month of the autumn, September, is still a warm month in Matinta, Sierra Leone, with an average temperature fluctuating between 28.1°C (82.6°F) and 24.4°C (75.9°F).

Temperature

The advent of September brings an average high-temperature of a still moderately hot 28.1°C (82.6°F), almost identical to the preceding month. Nights during September maintain a steady temperature, averaging at a still warm 24.4°C (75.9°F).

Heat index

In September, the average heat index is calculated to be a hot 33°C (91.4°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Heat index details are generally centered around shaded locations and a mild breeze. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

In September, the average relative humidity is 85%.

Rainfall

In Matinta, in September, during 28.6 rainfall days, 220mm (8.66") of precipitation is typically accumulated. Throughout the year, in Matinta, 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 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.

Sunshine

The average sunshine in September in Matinta 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 Matinta. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: In September, a daily UV index of 7 turns into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. 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. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

In September, the average high-temperature and low-temperature in Matinta are 28.1°C (82.6°F) and 24.4°C (75.9°F) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is calculated to be 33°C (91.4°F).

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

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

In September, the average day length in Matinta is 12h and 10min.

On the first day of September in Matinta, Sierra Leone, 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.

In Matinta, the average sunshine duration in September is 6.7h.

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index in Matinta.

The average daily maximum UV index in September in Matinta is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to 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
Matinta, 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
Matinta, 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
Matinta, 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
Matinta, 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
Matinta, 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
Matinta, 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
Matinta, 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
Matinta, 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
Matinta, 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
Matinta, 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
Matinta, 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).