September weather forecastGuingan, Guinea

September

Weather in September

September, the first month of the autumn in Guingan, is still a tropical month, with temperature in the range of an average high of 31.9°C (89.4°F) and an average low of 22.5°C (72.5°F).

Temperature

September begins with an average high-temperature of a still tropical 31.9°C (89.4°F), reflecting close similarity to the preceding month. The average low-temperature of 22.5°C (72.5°F) is witnessed during September.

Heat index

September's heat index is calculated to be a blazing hot 45°C (113°F). Keep on guard: Heat exhaustion and heat cramps are probable. Heatstroke is a possible danger with ongoing physical activity.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The average relative humidity in September in Guingan is 82%.

Rainfall

In September, the rain falls for 24.5 days. Throughout September, 139mm (5.47") of precipitation is accumulated. Throughout the year, there are 115.7 rainfall days, and 635mm (25") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 12min.
On the first day of the month, sunrise is at 06:40 and sunset at 19:02. On the last day of September, in Guingan, Guinea, sunrise is at 06:40 and sunset at 18:42 GMT.

Sunshine

In Guingan, the average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 7 in September transforms into this advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Updated: Feb 15, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature in Guingan during September is 31.9°C (89.4°F) and the low-temperature is 22.5°C (72.5°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is calculated to be 45°C (113°F).

The average relative humidity in September in Guingan, Guinea, is 82%.

In Guingan, Guinea, in September, during 24.5 rainfall days, 139mm (5.47") of precipitation is typically accumulated.

The average day length in September in Guingan, Guinea, is 12h and 12min.

In September, on the first day of the month, sunrise is at 06:40 and sunset at 19:02. On the last day of the month, in Guingan, Guinea, sunrise is at 06:40 and sunset at 18:42 GMT.

In September, the average sunshine duration is 8.6h.

The average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from 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

31.2°C

31.9°C

34.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.3km/h

5.5km/h

6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

3.3

4.2

15.1

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Guingan, Guinea

Average high temperature in September: 31.9°C

The warmest month (with the highest average high temperature) is April (41.6°C).
The month with the lowest average high temperature is August (31.2°C).

Average low temperature in September: 22.5°C

The month with the highest average low temperature is May (26.9°C).
The coldest month (with the lowest average low temperature) is January (19.1°C).

Average pressure in September
Guingan, Guinea

Average pressure in September: 1012.5mbar

The months with the highest atmospheric pressure are July and August (1012.7mbar).
The month with the lowest atmospheric pressure is April (1009mbar).

Average wind speed in September
Guingan, Guinea

Average wind speed in September: 5.2km/h

The windiest month (with the highest average wind speed) is May (9.3km/h).
The calmest month (with the lowest average wind speed) is November (5km/h).

Average humidity in September
Guingan, Guinea

Average humidity in September: 82%

The month with the highest relative humidity is August (83%).
The months with the lowest relative humidity are January and February (16%).

Average rainfall in September
Guingan, Guinea

Average rainfall in September: 139mm

The wettest month (with the highest rainfall) is August (197mm).
The driest months (with the least rainfall) are January and December (0mm).

Average rainfall days in September
Guingan, Guinea

Average rainfall days in September: 24.5 days

The month with the highest number of rainy days is August (26.5 days).
The month with the least rainy days is January (0.2 days).

Average daylight in September /
Average sunshine in September
Guingan, Guinea

Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).

Average sunshine in September: 8h and 36min

The month with the most sunshine is March (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).

Average sunshine days in September
Guingan, Guinea

Average sunshine days in September: 4.2 days

The months with the most sunshine days are January and December (30.8 days).
The month with the least sunshine days is August (3.3 days).

Average UV index in September
Guingan, Guinea

Average UV index in September: 7

The months with the highest UV index are February, March, April and May (UV index 8).
The month with the lowest UV index is August (UV index 6).

Average cloud cover in September
Guingan, Guinea

Average cloud cover in September: 36

The month with the most cloud cover is August (Cloud cover 48).
The month with the least cloud cover is March (Cloud cover 6).

Average visibility in September
Guingan, Guinea

Average visibility in September: 8km

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