September weather forecast
Aletoutou, Benin

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Aletoutou, Benin, with an average temperature fluctuating between 21.3°C (70.3°F) and 29.5°C (85.1°F).

Temperature

Aletoutou marks the onset of September with an average high-temperature of a still warm 29.5°C (85.1°F), subtly divergent from August's 28°C (82.4°F). In the month of September, Aletoutou experiences an average low-temperature of 21.3°C (70.3°F).

Heat index

September's heat index is appraised at a very hot 38°C (100.4°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

The average relative humidity in September in Aletoutou is 86%.

Rainfall

In Aletoutou, in September, it is raining for 26.7 days, with typically 138mm (5.43") of accumulated precipitation. In Aletoutou, during the entire year, the rain falls for 180.8 days and collects up to 831mm (32.72") of precipitation.

Daylight

The average length of the day in September in Aletoutou is 12h and 10min.
On the first day of the month, sunrise is at 06:43 and sunset at 19:01. On the last day of September, in Aletoutou, sunrise is at 06:41 and sunset at 18:43 WAT.

Sunshine

In Aletoutou, the average sunshine in September is 7h.

UV index

In Aletoutou, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, a regular UV index of 7 translates into these guidelines:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

How hot is it in Aletoutou in September?

The average high-temperature and low-temperature during September are 29.5°C (85.1°F) and 21.3°C (70.3°F) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is appraised at 38°C (100.4°F).

What is the average humidity in September in Aletoutou?

The average relative humidity in September is 86%.

How many days does it rain in September in Aletoutou?

In September, the rain falls for 26.7 days. Throughout September, 138mm (5.43") of precipitation is accumulated.

How many hours of daylight does Aletoutou have in September?

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

What time are sunrise and sunset in September in Aletoutou?

On the first day of September in Aletoutou, Benin, sunrise is at 06:43 and sunset at 19:01. On the last day of the month, sunrise is at 06:41 and sunset at 18:43 WAT.

How many hours of sunshine does Aletoutou have in September?

In Aletoutou, the average sunshine duration in September is 7h.

What is the UV index reading in September in Aletoutou?

In Aletoutou, Benin, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Aletoutou, Benin

Average temperature in September - Aletoutou, Benin
  • Average high temperature in September: 29.5°C

The warmest month (with the highest average high temperature) is March (38.1°C).
The month with the lowest average high temperature is August (28°C).

  • Average low temperature in September: 21.3°C

The month with the highest average low temperature is April (24.2°C).
The coldest month (with the lowest average low temperature) is January (18.7°C).

Average pressure in September
Aletoutou, Benin

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

The month with the highest atmospheric pressure is July (1013.1mbar).
The month with the lowest atmospheric pressure is March (1008.6mbar).

Average wind speed in September
Aletoutou, Benin

Average wind speed in September - Aletoutou, Benin
  • Average wind speed in September: 4.9km/h

The windiest month (with the highest average wind speed) is January (7km/h).
The calmest month (with the lowest average wind speed) is September (4.9km/h).

Average humidity in September
Aletoutou, Benin

Average humidity in September - Aletoutou, Benin
  • Average humidity in September: 86%

The month with the highest relative humidity is August (87%).
The month with the lowest relative humidity is January (23%).

Average rainfall in September
Aletoutou, Benin

Average rainfall in September - Aletoutou, Benin
  • Average rainfall in September: 138mm

The wettest month (with the highest rainfall) is August (156mm).
The driest month (with the least rainfall) is December (0mm).

Average rainfall days in September
Aletoutou, Benin

Average rainfall days in September - Aletoutou, Benin
  • Average rainfall days in September: 26.7 days

The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is January (0.4 days).

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

Average daylight in September / Average sunshine in September - Aletoutou, Benin
  • 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: 7h and 0min

The month with the most sunshine is April (Average sunshine: 11h and 42min).
The month with the least sunshine is August (Average sunshine: 6h and 54min).

Average sunshine days in September
Aletoutou, Benin

Average sunshine days in September - Aletoutou, Benin
  • Average sunshine days in September: 2.4 days

The month with the most sunshine days is December (30.5 days).
The month with the least sunshine days is August (1.8 days).

Average UV index in September
Aletoutou, Benin

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

The month with the highest UV index is March (UV index 8).
The months with the lowest UV index are June, July and August (UV index 6).

Average cloud cover in September
Aletoutou, Benin

Average cloud cover in September - Aletoutou, Benin
  • Average cloud cover in September: 51

The month with the most cloud cover is August (Cloud cover 61).
The month with the least cloud cover is December (Cloud cover 4).

Average visibility in September
Aletoutou, Benin

Average visibility in September - Aletoutou, 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 July, August and September (7km).

Aletoutou, Benin

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