September weather forecastMape, Sierra Leone

September

Weather in September

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

Temperature

Mape records an average high-temperature of a still warm 28.1°C (82.6°F) in September, maintaining a close correlation with August's 27.3°C (81.1°F). Mape maintains an average low-temperature of 24.4°C (75.9°F) throughout September's nights.

Heat index

During 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.
The standards for the heat index are set for locations in shade and under light breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

The average relative humidity in September in Mape is 85%.

Rainfall

In September, the rain falls for 28.6 days. Throughout September, 220mm (8.66") of precipitation is accumulated. In Mape, during the entire year, the rain falls for 205.9 days and collects up to 1507mm (59.33") of precipitation.

Daylight

In September, the average length of the day is 12h and 10min.
On the first day of the month, sunrise is at 06:44 and sunset at 19:01. On the last day of September, in Mape, sunrise is at 06:41 and sunset at 18:44 GMT.

Sunshine

The average sunshine in September 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 estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 7 in September interprets into the following advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

In Mape, 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). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is evaluated at 33°C (91.4°F).

In September, the average relative humidity is 85%.

In Mape, during September, the rain falls for 28.6 days and regularly aggregates up to 220mm (8.66") of precipitation.

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

In September, on the first day of the month, sunrise is at 06:44 and sunset at 19:01. On the last day of the month, sunrise is at 06:41 and sunset at 18:44 GMT.

In September, the average sunshine duration 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 September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high hazard to health 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
Mape, 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
Mape, 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
Mape, 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
Mape, 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
Mape, 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
Mape, 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
Mape, 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
Mape, 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
Mape, 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
Mape, 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
Mape, 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).