September weather forecast
Anonébéré, Gabon

September

Weather in September

The first month of the spring, September, is also a hot month in Anonébéré, Gabon, with an average temperature varying between 30.7°C (87.3°F) and 22.2°C (72°F).

Temperature

As Anonébéré moves into September, a slight change to a still hot 30.7°C (87.3°F) in the average high-temperature aligns it with August's readings. In Anonébéré, the average nighttime temperature during September is an agreeable 22.2°C (72°F).

Heat index

In September, the heat index is evaluated at a blistering 40°C (104°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

The average relative humidity in September is 80%.

Rainfall

In Anonébéré, in September, during 19.2 rainfall days, 62mm (2.44") of precipitation is typically accumulated. Throughout the year, there are 263 rainfall days, and 1311mm (51.61") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 7min.
On the first day of the month, sunrise is at 06:14 and sunset at 18:21. On the last day of September, sunrise is at 06:04 and sunset at 18:11 WAT.

Sunshine

The month with the least sunshine is September, with an average of 5.2h of sunshine.

UV index

March, May through November, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In September, an average UV index of 6 transforms into the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

How hot does it get in September?
In September, the average high-temperature and low-temperature are 30.7°C (87.3°F) and 22.2°C (72°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 40°C (104°F).
What is the average humidity in September?
In Anonébéré, the average relative humidity in September is 80%.
How much does it rain in September?
In September, the rain falls for 19.2 days. Throughout September, 62mm (2.44") of precipitation is accumulated.
What is the average length of the day in September?
In Anonébéré, the average day length in September is 12h and 7min.
What time are sunrise and sunset in September?
On the first day of September, sunrise is at 06:14 and sunset at 18:21. On the last day of the month, sunrise is at 06:04 and sunset at 18:11 WAT.
What is the month with the least sunshine?
The month with the least sunshine is September, with an average of 5.2h of sunshine.
How long on average sun shines in September?
The average sunshine duration in September is 5.2h.
When is the lowest UV index?
The months with the lowest UV index are March, May through November, with an average maximum UV index of 6.
How high is the UV index in September?
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
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 - Anonébéré, Gabon
Average temperature in September
Anonébéré, Gabon
  • Average high temperature in September: 30.7°C

The warmest month (with the highest average high temperature) is March (32.6°C).
The months with the lowest average high temperature are June and October (30.1°C).

  • Average low temperature in September: 22.2°C

The month with the highest average low temperature is February (23.4°C).
The coldest month (with the lowest average low temperature) is July (20.8°C).

Average pressure in September - Anonébéré, Gabon
Average pressure in September
Anonébéré, Gabon
  • Average pressure in September: 1013mbar

The month with the highest atmospheric pressure is July (1014.1mbar).
The months with the lowest atmospheric pressure are February and March (1010.1mbar).

Average wind speed in September - Anonébéré, Gabon
Average wind speed in September
Anonébéré, Gabon
  • Average wind speed in September: 6km/h

The windiest month (with the highest average wind speed) is August (6.6km/h).
The calmest months (with the lowest average wind speed) are April and May (4.2km/h).

Average humidity in September - Anonébéré, Gabon
Average humidity in September
Anonébéré, Gabon
  • Average humidity in September: 80%

The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is August (72%).

Average rainfall in September - Anonébéré, Gabon
Average rainfall in September
Anonébéré, Gabon
  • Average rainfall in September: 62mm

The wettest months (with the highest rainfall) are October and November (197mm).
The driest month (with the least rainfall) is July (10mm).

Average rainfall days in September - Anonébéré, Gabon
Average rainfall days in September
Anonébéré, Gabon
  • Average rainfall days in September: 19.2 days

The month with the highest number of rainy days is October (28.3 days).
The month with the least rainy days is July (7.5 days).

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

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

  • Average sunshine in September: 5h and 1min

The month with the most sunshine is February (Average sunshine: 7h and 48min).
The month with the least sunshine is September (Average sunshine: 5h and 12min).

Average sunshine days in September - Anonébéré, Gabon
Average sunshine days in September
Anonébéré, Gabon
  • Average sunshine days in September: 7.8 days

The month with the most sunshine days is July (19.9 days).
The month with the least sunshine days is October (2 days).

Average UV index in September - Anonébéré, Gabon
Average UV index in September
Anonébéré, Gabon
  • Average UV index in September: 6

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

Average cloud cover in September - Anonébéré, Gabon
Average cloud cover in September
Anonébéré, Gabon
  • Average cloud cover in September: 71

The month with the most cloud cover is October (Cloud cover 75).
The month with the least cloud cover is February (Cloud cover 53).

Average visibility in September - Anonébéré, Gabon
Average visibility in September
Anonébéré, Gabon
  • Average visibility in September: 8km

The month with the highest visibility is August (10km).
The month with the lowest visibility is November (5km).

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