September weather forecast
Carbanol, Guinea-Bissau

September

Weather in September

The first month of the autumn, September, is also a hot month in Carbanol, Guinea-Bissau, with temperature in the range of an average high of 31.7°C (89.1°F) and an average low of 23°C (73.4°F).

Temperature

The beginning of September records an average high-temperature of a still tropical 31.7°C (89.1°F), marking a negligible difference from August's 31°C (87.8°F). The average temperature in Carbanol during September nights dips to a warm 23°C (73.4°F).

Heat index

September's heat index is estimated at a blazing hot 45°C (113°F). Caution: Heat cramps along with heat exhaustion are expected. Sustained activity could lead to heatstroke.
Heat index determinations are made taking into account the shade and light air movements. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In September, the average relative humidity is 85%.

Rainfall

In September, in Carbanol, Guinea-Bissau, the rain falls for 23.9 days. Throughout September, 145mm (5.71") of precipitation is accumulated. Throughout the year, in Carbanol, Guinea-Bissau, there are 107.6 rainfall days, and 593mm (23.35") of precipitation is accumulated.

Daylight

In Carbanol, the average length of the day in September is 12h and 11min.
On the first day of the month, sunrise is at 06:48 and sunset at 19:09. On the last day of September, sunrise is at 06:48 and sunset at 18:49 GMT.

Sunshine

In Carbanol, the average sunshine in September is 7.2h.

UV index

In September, the average daily maximum UV index in Carbanol is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

How hot is it in Carbanol in September?
The high-temperature, in September, in Carbanol, is 31.7°C (89.1°F), while the low-temperature averages to 23°C (73.4°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is estimated at 45°C (113°F).
What is the average humidity in September in Carbanol?
In September, the average relative humidity is 85%.
How much does it rain in Carbanol in September?
In Carbanol, Guinea-Bissau, in September, during 23.9 rainfall days, 145mm (5.71") of precipitation is typically accumulated.
What is the average length of the day in September in Carbanol?
In Carbanol, the average day length in September is 12h and 11min.
What time are sunrise and sunset in September in Carbanol?
In September, on the first day of the month, sunrise is at 06:48 and sunset at 19:09. On the last day of the month, in Carbanol, Guinea-Bissau, sunrise is at 06:48 and sunset at 18:49 GMT.
How long on average sun shines in September in Carbanol?
In September, the average sunshine duration in Carbanol, Guinea-Bissau, is 7.2h.
How high is the UV index in September in Carbanol?
In September, the average daily maximum UV index in Carbanol is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to 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
Carbanol, Guinea-Bissau
  • Average high temperature in September: 31.7°C

The warmest month (with the highest average high temperature) is April (42.1°C).
The month with the lowest average high temperature is August (31°C).

  • Average low temperature in September: 23°C

The month with the highest average low temperature is June (25.1°C).
The coldest month (with the lowest average low temperature) is January (19.3°C).

Average pressure in September
Carbanol, Guinea-Bissau
  • Average pressure in September: 1012.1mbar

The month with the highest atmospheric pressure is July (1012.6mbar).
The month with the lowest atmospheric pressure is April (1009.5mbar).

Average wind speed in September
Carbanol, Guinea-Bissau
  • Average wind speed in September: 6.2km/h

The windiest month (with the highest average wind speed) is February (9.4km/h).
The calmest month (with the lowest average wind speed) is October (6km/h).

Average humidity in September
Carbanol, Guinea-Bissau
  • Average humidity in September: 85%

The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (19%).

Average rainfall in September
Carbanol, Guinea-Bissau
  • Average rainfall in September: 145mm

The wettest month (with the highest rainfall) is August (206mm).
The driest months (with the least rainfall) are January, February, March and December (0mm).

Average rainfall days in September
Carbanol, Guinea-Bissau
  • Average rainfall days in September: 23.9 days

The month with the highest number of rainy days is August (27.7 days).
The month with the least rainy days is January (0.1 days).

Average daylight in September /
Average sunshine in September
Carbanol, 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 24min).

  • Average sunshine in September: 7h and 1min

The month with the most sunshine is April (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 5h and 54min).

Average sunshine days in September
Carbanol, Guinea-Bissau
  • Average sunshine days in September: 3.8 days

The month with the most sunshine days is January (30.9 days).
The month with the least sunshine days is August (2.5 days).

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

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

Average cloud cover in September
Carbanol, Guinea-Bissau
  • Average cloud cover in September: 54

The month with the most cloud cover is August (Cloud cover 63).
The month with the least cloud cover is March (Cloud cover 6).

Average visibility in September
Carbanol, Guinea-Bissau
  • Average visibility in September: 7km

The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are August and September (7km).

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