September weather forecast
Caboupa Cabral, Guinea-Bissau

September

Weather in September

September, the first month of the autumn in Caboupa Cabral, is a hot month, with an average temperature varying between 25°C (77°F) and 30.5°C (86.9°F).

Temperature

The beginning of September reveals an average high-temperature of a tropical 30.5°C (86.9°F), showing minimal deviation from the previous month. Nighttime temperature in Caboupa Cabral experiences an average drop to a warm 25°C (77°F) in September.

Heat index

In September, the heat index is computed to be a blisteringly hot 40°C (104°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', comes about by integrating the temperature readings with the humidity levels. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In September, the average relative humidity in Caboupa Cabral is 81%.

Rainfall

In Caboupa Cabral, in September, during 20.7 rainfall days, 132mm (5.2") of precipitation is typically accumulated. In Caboupa Cabral, during the entire year, the rain falls for 107.5 days and collects up to 726mm (28.58") of precipitation.

Daylight

The average length of the day in September in Caboupa Cabral is 12h and 11min.
On the first day of September, sunrise is at 06:51 and sunset at 19:11. On the last day of the month, sunrise is at 06:50 and sunset at 18:52 GMT.

Sunshine

In September, the average sunshine in Caboupa Cabral is 7.5h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 7 in September translates into these instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

How hot does it get in Caboupa Cabral in September?
During September, Caboupa Cabral experiences an average high-temperature of 30.5°C (86.9°F) and a low-temperature of 25°C (77°F). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 40°C (104°F).
What is the average humidity in September in Caboupa Cabral?
In September, the average relative humidity in Caboupa Cabral is 81%.
How many days does it rain in September in Caboupa Cabral?
In September, in Caboupa Cabral, the rain falls for 20.7 days. Throughout September, 132mm (5.2") of precipitation is accumulated.
How many hours of daylight does Caboupa Cabral have in September?
In September, the average day length in Caboupa Cabral is 12h and 11min.
What time are sunrise and sunset in September in Caboupa Cabral?
On the first day of September in Caboupa Cabral, sunrise is at 06:51 and sunset at 19:11. On the last day of the month, sunrise is at 06:50 and sunset at 18:52 GMT.
How many hours of sunshine does Caboupa Cabral have in September?
The average sunshine duration in September is 7.5h.
What is the month with the highest UV index in Caboupa Cabral?
January through December, with an average maximum UV index of 7, are months with the highest UV index in Caboupa Cabral, Guinea-Bissau.
When is the lowest UV index in Caboupa Cabral?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
How high is the UV index in September in Caboupa Cabral?
The average daily maximum UV index in September in Caboupa Cabral is 7. A UV Index reading of 6 to 7 represents 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
Caboupa Cabral, Guinea-Bissau
  • Average high temperature in September: 30.5°C

The warmest month (with the highest average high temperature) is March (35.5°C).
The month with the lowest average high temperature is August (29.6°C).

  • Average low temperature in September: 25°C

The month with the highest average low temperature is June (26°C).
The coldest month (with the lowest average low temperature) is January (21.8°C).

Average pressure in September
Caboupa Cabral, Guinea-Bissau
  • Average pressure in September: 1012.2mbar

The month with the highest atmospheric pressure is July (1012.9mbar).
The months with the lowest atmospheric pressure are March and April (1010.1mbar).

Average wind speed in September
Caboupa Cabral, Guinea-Bissau
  • Average wind speed in September: 9.7km/h

The windiest month (with the highest average wind speed) is June (13.2km/h).
The calmest months (with the lowest average wind speed) are October and November (9km/h).

Average humidity in September
Caboupa Cabral, Guinea-Bissau
  • Average humidity in September: 81%

The month with the highest relative humidity is August (82%).
The month with the lowest relative humidity is January (32%).

Average rainfall in September
Caboupa Cabral, Guinea-Bissau
  • Average rainfall in September: 132mm

The wettest month (with the highest rainfall) is August (270mm).
The driest months (with the least rainfall) are January and February (0mm).

Average rainfall days in September
Caboupa Cabral, Guinea-Bissau
  • Average rainfall days in September: 20.7 days

The month with the highest number of rainy days is August (26.9 days).
The month with the least rainy days is January (0.3 days).

Average daylight in September /
Average sunshine in September
Caboupa Cabral, Guinea-Bissau
  • Average daylight in September: 12h and 1min

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 30min).

  • Average sunshine in September: 7h and 3min

The months with the most sunshine are March, April and May (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 6h and 6min).

Average sunshine days in September
Caboupa Cabral, Guinea-Bissau
  • Average sunshine days in September: 8 days

The month with the most sunshine days is January (30.7 days).
The month with the least sunshine days is August (2.9 days).

Average UV index in September
Caboupa Cabral, Guinea-Bissau
  • Average UV index in September: 7

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

Average cloud cover in September
Caboupa Cabral, Guinea-Bissau
  • Average cloud cover in September: 46

The month with the most cloud cover is August (Cloud cover 57).
The months with the least cloud cover are March and April (Cloud cover 7).

Average visibility in September
Caboupa Cabral, Guinea-Bissau
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).

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