September weather forecast
Mikongo, Gabon

September

Weather in September

September, the first month of the spring in Mikongo, is still a hot month, with an average temperature fluctuating between 21.1°C (70°F) and 30.9°C (87.6°F).

Temperature

The weather during September records an average high-temperature of a still tropical 30.9°C (87.6°F), closely mirroring the preceding month. Mikongo in September experiences a low-temperature average of 21.1°C (70°F).

Heat index

The average heat index in September is calculated to be a blisteringly hot 42°C (107.6°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

In September, the average relative humidity in Mikongo, Gabon, is 83%.

Rainfall

In Mikongo, Gabon, in September, during 28.1 rainfall days, 149mm (5.87") of precipitation is typically accumulated. Throughout the year, there are 311.1 rainfall days, and 1474mm (58.03") of precipitation is accumulated.

Daylight

The average length of the day in September in Mikongo is 12h and 7min.
On the first day of September, sunrise is at 06:09 and sunset at 18:15. On the last day of the month, sunrise is at 05:59 and sunset at 18:06 WAT.

Sunshine

In September, the average sunshine in Mikongo is 7.7h.

UV index

June, August through October, with an average maximum UV index of 6, are months with the lowest UV index. 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: During September, 6 as the daily maximum UV index converts into the following advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. 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. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

How hot does it get in Mikongo in September?
The average high-temperature, in September, in Mikongo, is 30.9°C (87.6°F), while the average low-temperature is 21.1°C (70°F). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 42°C (107.6°F).
What is the average humidity in September in Mikongo?
In September, the average relative humidity in Mikongo is 83%.
How much does it rain in Mikongo in September?
In Mikongo, Gabon, in September, it is raining for 28.1 days, with typically 149mm (5.87") of accumulated precipitation.
What is the average length of the day in September in Mikongo?
In Mikongo, Gabon, the average day length in September is 12h and 7min.
When are sunrise and sunset in September in Mikongo?
On the first day of September in Mikongo, sunrise is at 06:09 and sunset at 18:15. On the last day of the month, sunrise is at 05:59 and sunset at 18:06 WAT.
How long on average sun shines in September in Mikongo?
In Mikongo, Gabon, the average sunshine duration in September is 7.7h.
What is the month with the lowest UV index in Mikongo?
The months with the lowest UV index in Mikongo are June, August through October, with an average maximum UV index of 6.
How high is the UV index in September in Mikongo?
In September, the average daily maximum UV index in Mikongo, Gabon, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Mikongo, Gabon
  • Average high temperature in September: 30.9°C

The warmest month (with the highest average high temperature) is March (33.4°C).
The month with the lowest average high temperature is October (29.9°C).

  • Average low temperature in September: 21.1°C

The months with the highest average low temperature are February and March (22°C).
The coldest month (with the lowest average low temperature) is July (20.9°C).

Average pressure in September
Mikongo, Gabon
  • Average pressure in September: 1012.7mbar

The month with the highest atmospheric pressure is July (1013.5mbar).
The month with the lowest atmospheric pressure is February (1010.3mbar).

Average wind speed in September
Mikongo, Gabon
  • Average wind speed in September: 3.9km/h

The windiest month (with the highest average wind speed) is August (4.3km/h).
The calmest month (with the lowest average wind speed) is May (3.1km/h).

Average humidity in September
Mikongo, Gabon
  • Average humidity in September: 83%

The month with the highest relative humidity is October (88%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September
Mikongo, Gabon
  • Average rainfall in September: 149mm

The wettest month (with the highest rainfall) is October (204mm).
The driest months (with the least rainfall) are January and July (62mm).

Average rainfall days in September
Mikongo, Gabon
  • Average rainfall days in September: 28.1 days

The month with the highest number of rainy days is October (29 days).
The month with the least rainy days is July (21.2 days).

Average daylight in September /
Average sunshine in September
Mikongo, Gabon
  • Average daylight in September: 12h and 1min

The month with the longest days is December (Average daylight: 12h and 6min).
The month with the shortest days is June (Average daylight: 12h and 6min).

  • Average sunshine in September: 7h and 4min

The month with the most sunshine is December (Average sunshine: 9h and 30min).
The month with the least sunshine is October (Average sunshine: 6h and 18min).

Average sunshine days in September
Mikongo, Gabon
  • Average sunshine days in September: 1.1 days

The month with the most sunshine days is July (6.3 days).
The month with the least sunshine days is September (1.1 days).

Average UV index in September
Mikongo, Gabon
  • Average UV index in September: 6

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

Average cloud cover in September
Mikongo, Gabon
  • Average cloud cover in September: 56

The month with the most cloud cover is October (Cloud cover 65).
The month with the least cloud cover is January (Cloud cover 38).

Average visibility in September
Mikongo, Gabon
  • Average visibility in September: 7km

The months with the highest visibility are July and August (9km).
The months with the lowest visibility are October and November (6km).

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