September weather forecast
Mange, Sierra Leone

September

Weather in September

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

Temperature

The transition into September reveals an average high-temperature of a still warm 28.1°C (82.6°F), mirroring a close resemblance to August. In Mange, the month of September brings a consistent average low-temperature of 24.4°C (75.9°F), slightly cooler than its daytime highs.

Heat index

The heat index for September is calculated to be a hot 33°C (91.4°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity is 85%.

Rainfall

In September, in Mange, the rain falls for 28.6 days. Throughout September, 220mm (8.66") of precipitation is accumulated. Throughout the year, there are 205.9 rainfall days, and 1507mm (59.33") of precipitation is accumulated.

Daylight

In September, the average length of the day in Mange 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 Mange, Sierra Leone, sunrise is at 06:39 and sunset at 18:42 GMT.

Sunshine

In September, the average sunshine in Mange, Sierra Leone, 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 of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: During September, 7 as the daily maximum UV index converts into the following advice:
Deter overexposure. Protecting against the sun's effects is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

How hot is it in Mange in September?
In Mange, in September, the average high-temperature is 28.1°C (82.6°F), and the average low-temperature is 24.4°C (75.9°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in September is calculated to be 33°C (91.4°F).
What is the average humidity in September in Mange?
In Mange, Sierra Leone, the average relative humidity in September is 85%.
How many days does it rain in September in Mange?
In Mange, Sierra Leone, during September, the rain falls for 28.6 days and regularly aggregates up to 220mm (8.66") of precipitation.
How many hours of daylight does Mange have in September?
In Mange, Sierra Leone, the average day length in September is 12h and 10min.
What time are sunrise and sunset in September in Mange?
On the first day of September in Mange, 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 Mange?
In Mange, the average sunshine duration in September is 6.7h.
What are the months with the highest UV index in Mange?
The months with the highest UV index in Mange, Sierra Leone, are January through June, September through December, with an average maximum UV index of 7.
What is the UV index intensity in September in Mange?
The average daily maximum UV index in September in Mange is 7. A UV Index value 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Mange, Sierra Leone
Average temperature in September
Mange, 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 - Mange, Sierra Leone
Average pressure in September
Mange, 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 - Mange, Sierra Leone
Average wind speed in September
Mange, 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 - Mange, Sierra Leone
Average humidity in September
Mange, 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 - Mange, Sierra Leone
Average rainfall in September
Mange, 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 - Mange, Sierra Leone
Average rainfall days in September
Mange, 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 - Mange, Sierra Leone
Average daylight in September /
Average sunshine in September
Mange, 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 - Mange, Sierra Leone
Average sunshine days in September
Mange, 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 - Mange, Sierra Leone
Average UV index in September
Mange, 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 - Mange, Sierra Leone
Average cloud cover in September
Mange, 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 - Mange, Sierra Leone
Average visibility in September
Mange, 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).

englishespañol中文
Share