Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's presence records an average high-temperature of a still moderately hot 28.1°C (82.6°F), closely mirroring August's climate. Dibia's nighttime average temperature in September drops marginally from the daytime highs, settling at a still moderately hot 24.4°C (75.9°F).Heat index
During September, the heat index is computed to be a tropical 33°C (91.4°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Bear in mind that the heat index values are determined for shaded areas and light breezes. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. 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 Dibia, the average relative humidity in September is 85%.Rainfall
In Dibia, in September, it is raining for 28.6 days, with typically 220mm (8.66") of accumulated precipitation. In Dibia, during the entire year, the rain falls for 205.9 days and collects up to 1507mm (59.33") of precipitation.Daylight
In Dibia, Sierra Leone, 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 Dibia 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 reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 7 in September translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
Is it hot in Dibia during September?
What is the average humidity in September in Dibia?
How many days does it rain in September in Dibia?
How many hours of daylight does Dibia have in September?
What time are sunrise and sunset in September in Dibia?
How many hours of sunshine does Dibia have in September?
What is the month with the highest UV index in Dibia?
How high is the UV index in September in Dibia?
Average temperature in September
Dibia, 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
Dibia, 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
Dibia, 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
Dibia, 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
Dibia, 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
Dibia, 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
Dibia, 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
Dibia, 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
Dibia, 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
Dibia, 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
Dibia, 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).
Dibia, Sierra Leone
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