September weather forecast
Pepel, Sierra Leone

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Weather in September

September brings a significant shift in Pepel's weather. A decrease in rainfall from 391mm (15.39") in August to 220mm (8.66") embodies this transition. The wet season has started to recede, paving the way for drier, sunnier days. September's relatively calm weather is a welcome change for the city's residents who enjoy this brief respite before the onset of the dry season. The retreating rains and emerging sunshine enhance the city's vibrant feel, making it an excellent time to experience the outdoor charm of Pepel.

Temperature

The advent of September signifies a minor shift to an average high-temperature of a still warm 28.1°C (82.6°F), aligning closely with August. Pepel reports an average low temperature of 24.4°C (75.9°F) in September, a minor decrease from the day's highs.

Heat index

In September, the average heat index is calculated to be a tropical 33°C (91.4°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

In September, the average relative humidity is 85%.

Rainfall

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

Sea temperature

In Pepel, in September, the average water temperature is 27.6°C (81.7°F).
Note: Swimming, diving, and other water activities in the temperature range of 25°C (77°F) to 29°C (84.2°F) are perceived as very enjoyable and comfortable for prolonged durations.

Daylight

The average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 06:43 and sunset at 19:00. On the last day of September, in Pepel, sunrise is at 06:40 and sunset at 18:43 GMT.

Sunshine

The average sunshine in September in Pepel is 6.7h.

UV index

The months with the highest UV index in Pepel, Sierra Leone, are January through June, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Beware! Reflecting off water and sand, UV rays are much stronger.
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Frequently asked questions

Is it hot in Pepel during September?

The average high-temperature and low-temperature during September 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 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 Pepel?

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

How many days does it rain in September in Pepel?

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

How warm is the water in September in Pepel?

In Pepel, Sierra Leone, the average seawater temperature in September is 27.6°C (81.7°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in September in Pepel?

The average day length in September in Pepel is 12h and 10min.

When is the sunrise / sunset in September in Pepel?

In September, on the first day of the month, sunrise is at 06:43 and sunset at 19:00. On the last day of the month, sunrise is at 06:40 and sunset at 18:43 GMT.

How long on average sun shines in September in Pepel?

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

When is the highest UV index in Pepel?

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

How high is the UV index in September in Pepel?

In September, the average daily maximum UV index in Pepel, Sierra Leone, is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.

Average temperature in September
Pepel, Sierra Leone

Average temperature in September - Pepel, 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).

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Average pressure in September
Pepel, Sierra Leone

Average pressure in September - Pepel, 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).

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Average wind speed in September
Pepel, Sierra Leone

Average wind speed in September - Pepel, 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).

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Average humidity in September
Pepel, Sierra Leone

Average humidity in September - Pepel, 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%).

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Average rainfall in September
Pepel, Sierra Leone

Average rainfall in September - Pepel, 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).

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Average rainfall days in September
Pepel, Sierra Leone

Average rainfall days in September - Pepel, 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).

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Average sea temperature in September
Pepel, Sierra Leone

Average sea temperature in September - Pepel, Sierra Leone
  • Average sea temperature in September: 27.6°C

The best months for swimming (with the highest average sea temperature) are November and December (28.8°C).
The coldest months (with the lowest average sea temperature) are March and April (27.3°C).

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Average daylight in September /
Average sunshine in September
Pepel, Sierra Leone

Average daylight in September / Average sunshine in September - Pepel, 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).

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Average sunshine days in September
Pepel, Sierra Leone

Average sunshine days in September - Pepel, 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).

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Average UV index in September
Pepel, Sierra Leone

Average UV index in September - Pepel, 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).

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Average cloud cover in September
Pepel, Sierra Leone

Average cloud cover in September - Pepel, 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).

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Average visibility in September
Pepel, Sierra Leone

Average visibility in September - Pepel, 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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Pepel, Sierra Leone

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