September weather forecast
Bélizon, French Guiana

Weather in September

The first month of the autumn, September, is also a hot month in Bélizon, French Guiana, with temperature in the range of an average low of 24.5°C (76.1°F) and an average high of 31.5°C (88.7°F).

Temperature

In Bélizon, French Guiana, the average high-temperature in September is practically the same as in August - a still hot 31.5°C (88.7°F). In Bélizon, in September, the average low-temperature is 24.5°C (76.1°F).

Heat index

In September, the average heat index is estimated at an extremely hot 41°C (105.8°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, clothing, differences in body mass, height, and shape, and pregnancy affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 37.5°C (99.5°F) to 38.3°C (100.9°F), thermal conditions are potentially life-threatening.

Humidity

September and October, with an average relative humidity of 76%, are the least humid months in Bélizon.

Rainfall

The month with the least rainfall in Bélizon is September, when the rain falls for 12.2 days and typically collects 23mm (0.91") of precipitation.

Daylight

The average length of the day in September is 12h and 8min.
On the first day of September in Bélizon, sunrise is at 06:24 and sunset at 18:36. On the last day of the month, sunrise is at 06:17 and sunset at 18:23 -03.

Sunshine

With an average of 9.2h of sunshine, September has the most sunshine of the year in Bélizon, French Guiana.

UV index

June through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 7 in September interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Bélizon?

The average high-temperature, in September, in Bélizon, is 31.5°C (88.7°F), while the average low-temperature is 24.5°C (76.1°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in September is estimated at 41°C (105.8°F).

What is the least humid month in Bélizon?

September and October, with an average relative humidity of 76%, are the least humid months.

What is the average humidity in September in Bélizon?

In Bélizon, the average relative humidity in September is 76%.

What is the driest month in Bélizon?

The month with the least rainfall in Bélizon, French Guiana, is September, when the rain falls for 12.2 days and typically collects 23mm (0.91") of precipitation.

How much does it rain in Bélizon in September?

In Bélizon, during September, the rain falls for 12.2 days and regularly aggregates up to 23mm (0.91") of precipitation.

How many hours of daylight does Bélizon have in September?

In September, the average day length in Bélizon, French Guiana, is 12h and 8min.

When is the sunrise / sunset in September in Bélizon?

On the first day of September, sunrise is at 06:24 and sunset at 18:36. On the last day of the month, sunrise is at 06:17 and sunset at 18:23 -03.

What month has the most sunshine in Bélizon?

The month with the most sunshine in Bélizon, French Guiana, is September, with an average of 9.2h of sunshine.

How long on average sun shines in September in Bélizon?

In September, the average sunshine duration in Bélizon is 9.2h.

When is the highest UV index in Bélizon?

June through November, with an average maximum UV index of 7, are months with the highest UV index in Bélizon, French Guiana.

What is the UV index intensity in September in Bélizon?

In Bélizon, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.

Average temperature in September
Bélizon, French Guiana

Average temperature in September - Bélizon, French Guiana
  • Average high temperature in September: 31.5°C

The warmest month (with the highest average high temperature) is October (31.6°C).
The month with the lowest average high temperature is February (27.7°C).

  • Average low temperature in September: 24.5°C

The months with the highest average low temperature are October and November (24.8°C).
The coldest months (with the lowest average low temperature) are June and July (23.8°C).

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Average pressure in September
Bélizon, French Guiana

Average pressure in September - Bélizon, French Guiana
  • Average pressure in September: 1012mbar

The month with the highest atmospheric pressure is July (1013.2mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).

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Average wind speed in September
Bélizon, French Guiana

Average wind speed in September - Bélizon, French Guiana
  • Average wind speed in September: 11.1km/h

The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is July (8.3km/h).

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Average humidity in September
Bélizon, French Guiana

Average humidity in September - Bélizon, French Guiana
  • Average humidity in September: 76%

The month with the highest relative humidity is May (86%).
The months with the lowest relative humidity are September and October (76%).

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Average rainfall in September
Bélizon, French Guiana

Average rainfall in September - Bélizon, French Guiana
  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is May (293mm).
The driest month (with the least rainfall) is September (23mm).

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Average rainfall days in September
Bélizon, French Guiana

Average rainfall days in September - Bélizon, French Guiana
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is May (28.9 days).
The month with the least rainy days is October (11.6 days).

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Average daylight in September /
Average sunshine in September
Bélizon, French Guiana

Average daylight in September / Average sunshine in September - Bélizon, French Guiana
  • Average daylight in September: 12h and 8min

The month with the longest days is June (Average daylight: 12h and 22min).
The month with the shortest days is December (Average daylight: 11h and 53min).

  • Average sunshine in September: 9h and 12min

The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

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Average sunshine days in September
Bélizon, French Guiana

Average sunshine days in September - Bélizon, French Guiana
  • Average sunshine days in September: 13.6 days

The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (0.9 days).

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Average UV index in September
Bélizon, French Guiana

Average UV index in September - Bélizon, French Guiana
  • Average UV index in September: 7

The months with the highest UV index are June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May and December (UV index 6).

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Average cloud cover in September
Bélizon, French Guiana

Average cloud cover in September - Bélizon, French Guiana
  • Average cloud cover in September: 25

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 25).

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Average visibility in September
Bélizon, French Guiana

Average visibility in September - Bélizon, French Guiana
  • Average visibility in September: 10km

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

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