September weather forecast
Canema, Guinea-Bissau

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Weather in September

September, the first month of the autumn in Canema, is a tropical month, with an average temperature ranging between min 25°C (77°F) and max 30.5°C (86.9°F).

Temperature

Canema indicates an average high-temperature of a hot 30.5°C (86.9°F) in September, showing minor variation from August's 29.6°C (85.3°F). Throughout September in Canema, a steady low-temperature average of 25°C (77°F) is noted.

Heat index

The heat index value during September is appraised at a blistering 40°C (104°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. 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. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In Canema, Guinea-Bissau, the average relative humidity in September is 81%.

Rainfall

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

Daylight

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

Sunshine

The average sunshine in September in Canema is 7.5h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Canema, Guinea-Bissau. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 7 suggests this advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. 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. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

How hot is it in Canema in September?

The high-temperature, in September, in Canema, records 30.5°C (86.9°F), while the low-temperature is 25°C (77°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 40°C (104°F).

What is the average humidity in September in Canema?

In September, the average relative humidity is 81%.

How much does it rain in Canema in September?

In Canema, in September, during 20.7 rainfall days, 132mm (5.2") of precipitation is typically accumulated.

What is the average length of the day in September in Canema?

The average day length in September in Canema is 12h and 11min.

When are sunrise and sunset in September in Canema?

In September, on the first day of the month, sunrise is at 06:51 and sunset at 19:12. On the last day of the month, in Canema, sunrise is at 06:51 and sunset at 18:52 GMT.

How many hours of sunshine does Canema have in September?

In Canema, the average sunshine duration in September is 7.5h.

What are the months with the highest UV index in Canema?

The months with the highest UV index in Canema are January through December, with an average maximum UV index of 7.

What are the months with the lowest UV index in Canema?

The months with the lowest UV index in Canema, Guinea-Bissau, are January through December, with an average maximum UV index of 7.

What is the UV index intensity in September in Canema?

In September, the average daily maximum UV index in Canema, Guinea-Bissau, is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.

Average temperature in September
Canema, Guinea-Bissau

Average temperature in September - Canema, 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).

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Average pressure in September
Canema, Guinea-Bissau

Average pressure in September - Canema, 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).

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Average wind speed in September
Canema, Guinea-Bissau

Average wind speed in September - Canema, 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).

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Average humidity in September
Canema, Guinea-Bissau

Average humidity in September - Canema, 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%).

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Average rainfall in September
Canema, Guinea-Bissau

Average rainfall in September - Canema, 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).

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Average rainfall days in September
Canema, Guinea-Bissau

Average rainfall days in September - Canema, 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).

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Average daylight in September /
Average sunshine in September
Canema, Guinea-Bissau

Average daylight in September / Average sunshine in September - Canema, 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).

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Average sunshine days in September
Canema, Guinea-Bissau

Average sunshine days in September - Canema, 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).

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Average UV index in September
Canema, Guinea-Bissau

Average UV index in September - Canema, 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).

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Average cloud cover in September
Canema, Guinea-Bissau

Average cloud cover in September - Canema, 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).

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Average visibility in September
Canema, Guinea-Bissau

Average visibility in September - Canema, 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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Canema, Guinea-Bissau

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