September weather forecast
Inkolonie, Benin

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Weather in September

September in Inkolonie, Benin serves as a gentle transition from the rainy to the dry season. Rainfall begins its gradual descent, humidity lessens, and temperatures begin to creep upward. Precipitation still records a substantial 138mm (5.43") across 26.7 days, marking the month’s end of high-intensity downpours. The change in seasons gives way to clear, deep-blue skies and a return of comforting warmth.

Temperature

As Inkolonie steps into September, the average high-temperature is measured at a still warm 29.5°C (85.1°F), displaying minor differences from August's 28°C (82.4°F). September's average low-temperature reading settles at a pleasant 21.3°C (70.3°F).

Heat index

For most parts of September, the heat index is appraised at a very hot 38°C (100.4°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. 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 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.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In Inkolonie, the average relative humidity in September is 86%.

Rainfall

In September, in Inkolonie, the rain falls for 26.7 days. Throughout September, 138mm (5.43") of precipitation is accumulated. In Inkolonie, Benin, during the entire year, the rain falls for 180.8 days and collects up to 831mm (32.72") of precipitation.

Daylight

In September, the average length of the day in Inkolonie is 12h and 10min.
On the first day of the month, sunrise is at 06:45 and sunset at 19:02. On the last day of September, in Inkolonie, sunrise is at 06:42 and sunset at 18:45 WAT.

Sunshine

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

UV index

The average daily maximum UV index in September in Inkolonie is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

How hot is September in Inkolonie?

An average high-temperature, in September, in Inkolonie, is 29.5°C (85.1°F) and the average low-temperature is 21.3°C (70.3°F). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 38°C (100.4°F).

What is the average humidity in September in Inkolonie?

In September, the average relative humidity is 86%.

How many days does it rain in September in Inkolonie?

In Inkolonie, Benin, during September, the rain falls for 26.7 days and regularly aggregates up to 138mm (5.43") of precipitation.

How many hours of daylight does Inkolonie have in September?

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

When is the sunrise / sunset in September in Inkolonie?

In September, on the first day of the month, sunrise is at 06:45 and sunset at 19:02. On the last day of the month, in Inkolonie, sunrise is at 06:42 and sunset at 18:45 WAT.

How long on average sun shines in September in Inkolonie?

The average sunshine duration in September in Inkolonie, Benin, is 7h.

What is the UV index reading in September in Inkolonie?

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

Average temperature in September
Inkolonie, Benin

Average temperature in September - Inkolonie, 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).

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Average pressure in September
Inkolonie, Benin

Average pressure in September - Inkolonie, 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).

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Average wind speed in September
Inkolonie, Benin

Average wind speed in September - Inkolonie, 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).

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Average humidity in September
Inkolonie, Benin

Average humidity in September - Inkolonie, 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%).

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Average rainfall in September
Inkolonie, Benin

Average rainfall in September - Inkolonie, 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).

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Average rainfall days in September
Inkolonie, Benin

Average rainfall days in September - Inkolonie, 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).

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

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

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Average sunshine days in September
Inkolonie, Benin

Average sunshine days in September - Inkolonie, 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).

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Average UV index in September
Inkolonie, Benin

Average UV index in September - Inkolonie, 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).

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Average cloud cover in September
Inkolonie, Benin

Average cloud cover in September - Inkolonie, 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).

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Average visibility in September
Inkolonie, Benin

Average visibility in September - Inkolonie, 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).

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Inkolonie, Benin

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