September weather forecast
Ouedeme, Benin

September

Weather in September

September, the first month of the autumn in Ouedeme, is still a warm month, with an average temperature varying between 29.7°C (85.5°F) and 22.9°C (73.2°F).

Temperature

The average high-temperature in September, at a still warm 29.7°C (85.5°F), reveals a modest deviation from August's 29.1°C (84.4°F). During September, Ouedeme observes a consistent average nighttime temperature of 22.9°C (73.2°F).

Heat index

The heat index for September is appraised at a very hot 38°C (100.4°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

With an average relative humidity of 84%, September is the most humid month in Ouedeme.

Rainfall

In Ouedeme, in September, it is raining for 26.8 days, with typically 104mm (4.09") of accumulated precipitation. In Ouedeme, during the entire year, the rain falls for 216.6 days and collects up to 631mm (24.84") of precipitation.

Daylight

In September, the average length of the day in Ouedeme is 12h and 10min.
On the first day of the month, sunrise is at 06:44 and sunset at 18:59. On the last day of September, in Ouedeme, sunrise is at 06:39 and sunset at 18:43 WAT.

Sunshine

In Ouedeme, Benin, the average sunshine in September is 6.5h.

UV index

The months with the highest UV index in Ouedeme are January through May, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 7 during September translates into the following directions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

Is it hot in Ouedeme during September?
The average high-temperature and low-temperature in Ouedeme during September are 29.7°C (85.5°F) and 22.9°C (73.2°F) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 38°C (100.4°F).
What is the most humid month in Ouedeme?
With an average relative humidity of 84%, September is the most humid month in Ouedeme.
What is the average humidity in September in Ouedeme?
The average relative humidity in September in Ouedeme is 84%.
How many days does it rain in September in Ouedeme?
In September, in Ouedeme, Benin, the rain falls for 26.8 days. Throughout September, 104mm (4.09") of precipitation is accumulated.
What is the average length of the day in September in Ouedeme?
In September, the average day length in Ouedeme, Benin, is 12h and 10min.
What time are sunrise and sunset in September in Ouedeme?
On the first day of September in Ouedeme, Benin, sunrise is at 06:44 and sunset at 18:59. On the last day of the month, sunrise is at 06:39 and sunset at 18:43 WAT.
How long on average sun shines in September in Ouedeme?
In September, the average sunshine duration in Ouedeme is 6.5h.
When is the highest UV index in Ouedeme?
The months with the highest UV index in Ouedeme are January through May, September through December, with an average maximum UV index of 7.
What is the UV index reading in September in Ouedeme?
In Ouedeme, Benin, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Ouedeme, Benin
  • Average high temperature in September: 29.7°C

The warmest month (with the highest average high temperature) is January (35.7°C).
The month with the lowest average high temperature is August (29.1°C).

  • Average low temperature in September: 22.9°C

The month with the highest average low temperature is March (25.8°C).
The coldest month (with the lowest average low temperature) is August (22.2°C).

Average pressure in September
Ouedeme, Benin
  • Average pressure in September: 1012.5mbar

The month with the highest atmospheric pressure is July (1013.4mbar).
The months with the lowest atmospheric pressure are February and March (1009.3mbar).

Average wind speed in September
Ouedeme, Benin
  • Average wind speed in September: 8.5km/h

The windiest month (with the highest average wind speed) is March (10.6km/h).
The calmest month (with the lowest average wind speed) is December (7.2km/h).

Average humidity in September
Ouedeme, Benin
  • Average humidity in September: 84%

The month with the highest relative humidity is September (84%).
The month with the lowest relative humidity is January (64%).

Average rainfall in September
Ouedeme, Benin
  • Average rainfall in September: 104mm

The wettest month (with the highest rainfall) is July (108mm).
The driest month (with the least rainfall) is December (7mm).

Average rainfall days in September
Ouedeme, Benin
  • Average rainfall days in September: 26.8 days

The month with the highest number of rainy days is September (26.8 days).
The month with the least rainy days is January (6.9 days).

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

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).

  • Average sunshine in September: 6h and 3min

The month with the most sunshine is December (Average sunshine: 9h and 48min).
The month with the least sunshine is August (Average sunshine: 5h and 42min).

Average sunshine days in September
Ouedeme, Benin
  • Average sunshine days in September: 2.4 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is September (2.4 days).

Average UV index in September
Ouedeme, Benin
  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are June, July and August (UV index 6).

Average cloud cover in September
Ouedeme, Benin
  • Average cloud cover in September: 56

The month with the most cloud cover is August (Cloud cover 61).
The month with the least cloud cover is December (Cloud cover 15).

Average visibility in September
Ouedeme, Benin
  • Average visibility in September: 8km

The months with the highest visibility are February, March, April and May (10km).
The months with the lowest visibility are August, September and October (8km).

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