September weather forecast
Bori, Benin

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Weather in September

September, the first month of the autumn in Bori, is also a moderately hot month, with an average temperature ranging between max 29.4°C (84.9°F) and min 21.9°C (71.4°F).

Temperature

Bori, Benin, experiences an average high-temperature of a still moderately hot 29.4°C (84.9°F) in September, subtly different from August's 28.4°C (83.1°F). During September in Bori, the average low-temperature is recorded at an agreeable 21.9°C (71.4°F).

Heat index

September's mean heat index is evaluated at a sweltering 37°C (98.6°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

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

Rainfall

In Bori, in September, during 23.5 rainfall days, 100mm (3.94") of precipitation is typically accumulated. In Bori, during the entire year, the rain falls for 139.7 days and collects up to 607mm (23.9") of precipitation.

Daylight

In September, the average length of the day in Bori, Benin, is 12h and 11min.
On the first day of September, sunrise is at 06:41 and sunset at 18:59. On the last day of the month, sunrise is at 06:38 and sunset at 18:41 WAT.

Sunshine

The average sunshine in September in Bori is 7.4h.

UV index

In Bori, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In September, an average UV index of 7 transforms into the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

How hot is it in Bori in September?

During September, Bori experiences an average high-temperature of 29.4°C (84.9°F) and a low-temperature of 21.9°C (71.4°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is evaluated at 37°C (98.6°F).

What is the average humidity in September in Bori?

The average relative humidity in September in Bori, Benin, is 85%.

How much does it rain in Bori in September?

In Bori, in September, it is raining for 23.5 days, with typically 100mm (3.94") of accumulated precipitation.

How many hours of daylight does Bori have in September?

In September, the average day length is 12h and 11min.

When is the sunrise / sunset in September in Bori?

On the first day of September, sunrise is at 06:41 and sunset at 18:59. On the last day of the month, sunrise is at 06:38 and sunset at 18:41 WAT.

How many hours of sunshine does Bori have in September?

In Bori, Benin, the average sunshine duration in September is 7.4h.

What is the UV index reading in September in Bori?

The average daily maximum UV index in September in Bori, Benin, is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in September
Bori, Benin

Average temperature in September - Bori, Benin
  • Average high temperature in September: 29.4°C

The warmest month (with the highest average high temperature) is March (39.2°C).
The month with the lowest average high temperature is August (28.4°C).

  • Average low temperature in September: 21.9°C

The month with the highest average low temperature is April (24.8°C).
The coldest month (with the lowest average low temperature) is January (18.7°C).

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Average pressure in September
Bori, Benin

Average pressure in September - Bori, Benin
  • Average pressure in September: 1012.4mbar

The month with the highest atmospheric pressure is July (1013mbar).
The month with the lowest atmospheric pressure is March (1008.7mbar).

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Average wind speed in September
Bori, Benin

Average wind speed in September - Bori, Benin
  • Average wind speed in September: 6.1km/h

The windiest month (with the highest average wind speed) is April (9.3km/h).
The calmest month (with the lowest average wind speed) is November (5.9km/h).

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Average humidity in September
Bori, Benin

Average humidity in September - Bori, Benin
  • Average humidity in September: 85%

The month with the highest relative humidity is August (87%).
The month with the lowest relative humidity is January (22%).

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Average rainfall in September
Bori, Benin

Average rainfall in September - Bori, Benin
  • Average rainfall in September: 100mm

The wettest month (with the highest rainfall) is August (140mm).
The driest month (with the least rainfall) is December (0mm).

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Average rainfall days in September
Bori, Benin

Average rainfall days in September - Bori, Benin
  • Average rainfall days in September: 23.5 days

The month with the highest number of rainy days is August (25.1 days).
The month with the least rainy days is December (0.3 days).

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Average daylight in September /
Average sunshine in September
Bori, Benin

Average daylight in September / Average sunshine in September - Bori, Benin
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).

  • Average sunshine in September: 7h and 2min

The months with the most sunshine are January and December (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 6h and 6min).

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Average sunshine days in September
Bori, Benin

Average sunshine days in September - Bori, Benin
  • Average sunshine days in September: 4.5 days

The month with the most sunshine days is December (30.5 days).
The month with the least sunshine days is August (3.3 days).

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Average UV index in September
Bori, Benin

Average UV index in September - Bori, Benin
  • Average UV index in September: 7

The months with the highest UV index are March and April (UV index 8).
The months with the lowest UV index are July and August (UV index 6).

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Average cloud cover in September
Bori, Benin

Average cloud cover in September - Bori, Benin
  • Average cloud cover in September: 52

The month with the most cloud cover is August (Cloud cover 63).
The month with the least cloud cover is December (Cloud cover 3).

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Average visibility in September
Bori, Benin

Average visibility in September - Bori, Benin
  • Average visibility in September: 7km

The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are August and September (7km).

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Bori, Benin

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