September weather forecastAssok-Seng, Gabon

September

Weather in September

The first month of the autumn, September, is still a warm month in Assok-Seng, Gabon, with temperature in the range of an average low of 20.3°C (68.5°F) and an average high of 28.6°C (83.5°F).

Temperature

September's entry sees an average high-temperature of a still warm 28.6°C (83.5°F), replicating August's climate. Assok-Seng's temperature tends to fall to an average low of 20.3°C (68.5°F) during the nights of September.

Heat index

The heat index in September is computed to be a fiery hot 36°C (96.8°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

The average relative humidity in September is 90%.

Rainfall

In September, the rain falls for 28.3 days. Throughout September, 164mm (6.46") of precipitation is accumulated. Throughout the year, there are 317.5 rainfall days, and 1608mm (63.31") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 8min.
On the first day of the month, sunrise is at 06:09 and sunset at 18:18. On the last day of September, in Assok-Seng, Gabon, sunrise is at 06:00 and sunset at 18:06 WAT.

Sunshine

In September, the average sunshine in Assok-Seng is 4.7h.

UV index

June through November, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Updated: Jul 23, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Assok-Seng, in September, the average high-temperature is 28.6°C (83.5°F), and the average low-temperature is 20.3°C (68.5°F). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 36°C (96.8°F).

The average relative humidity in September is 90%.

In Assok-Seng, in September, it is raining for 28.3 days, with typically 164mm (6.46") of accumulated precipitation.

The average day length in September in Assok-Seng is 12h and 8min.

On the first day of September, sunrise is at 06:09 and sunset at 18:18. On the last day of the month, sunrise is at 06:00 and sunset at 18:06 WAT.

In Assok-Seng, the average sunshine duration in September is 4.7h.

June through November, with an average maximum UV index of 5, are months with the lowest UV index.

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

28.6°C

28.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5km/h

4.6km/h

4.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

1.7

0.3

0.7

Average UV index

Average cloud cover

79%

81%

Average visibility

5km

Average temperature in September
Assok-Seng, Gabon

Average high temperature in September: 28.6°C

The warmest month (with the highest average high temperature) is February (32.3°C).
The month with the lowest average high temperature is October (28.5°C).

Average low temperature in September: 20.3°C

The months with the highest average low temperature are February and April (21.1°C).
The coldest month (with the lowest average low temperature) is July (19.7°C).

Average pressure in September
Assok-Seng, Gabon

Average pressure in September: 1013.1mbar

The month with the highest atmospheric pressure is July (1013.9mbar).
The month with the lowest atmospheric pressure is February (1010.2mbar).

Average wind speed in September
Assok-Seng, Gabon

Average wind speed in September: 4.4km/h

The windiest month (with the highest average wind speed) is August (4.7km/h).
The calmest months (with the lowest average wind speed) are May and November (3.5km/h).

Average humidity in September
Assok-Seng, Gabon

Average humidity in September: 90%

The month with the highest relative humidity is October (91%).
The month with the lowest relative humidity is January (78%).

Average rainfall in September
Assok-Seng, Gabon

Average rainfall in September: 164mm

The wettest month (with the highest rainfall) is October (227mm).
The driest month (with the least rainfall) is January (37mm).

Average rainfall days in September
Assok-Seng, Gabon

Average rainfall days in September: 28.3 days

The month with the highest number of rainy days is October (29.4 days).
The month with the least rainy days is December (20.5 days).

Average daylight in September /
Average sunshine in September
Assok-Seng, Gabon

Average daylight in September: 12h and 6min

The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 0min).

Average sunshine in September: 4h and 42min

The month with the most sunshine is January (Average sunshine: 8h and 18min).
The month with the least sunshine is October (Average sunshine: 4h and 30min).

Average sunshine days in September
Assok-Seng, Gabon

Average sunshine days in September: 0.3 days

The month with the most sunshine days is January (8.4 days).
The month with the least sunshine days is September (0.3 days).

Average UV index in September
Assok-Seng, Gabon

Average UV index in September: 5

The months with the highest UV index are January, February, March, April, May and December (UV index 6).
The months with the lowest UV index are June, July, August, September, October and November (UV index 5).

Average cloud cover in September
Assok-Seng, Gabon

Average cloud cover in September: 81

The months with the most cloud cover are September and October (Cloud cover 81).
The month with the least cloud cover is January (Cloud cover 54).

Average visibility in September
Assok-Seng, Gabon

Average visibility in September: 5km

The month with the highest visibility is January (7km).
The months with the lowest visibility are March, April, May, June, July, August, September, October and November (5km).