September weather forecast
Bonaire, GA

Weather in September

September, the first month of the autumn in Bonaire, is still a warm month, with an average temperature ranging between min 67.6°F (19.8°C) and max 84.9°F (29.4°C).

Temperature

In September, the average high-temperature is almost the same as in August - a warm 84.9°F (29.4°C). The average low-temperature, in September, is 67.6°F (19.8°C).

Heat index

The average heat index in September is evaluated at a hot 93.7°F (34.3°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
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 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, differences in body mass, height, and shape, metabolic differences, and wind 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 particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Bonaire, the average relative humidity in September is 73%.

Rainfall

September and November are months with the least rain in Bonaire when the rain falls for 13 days and typically aggregates up to 2.05" (52mm) of rain.

Snowfall

In Bonaire, snow does not fall in March through December.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of September, sunrise is at 7:09 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:20 pm EDT.

Sunshine

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

UV index

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Bonaire?

The average high-temperature, in September, is 84.9°F (29.4°C), while the average low-temperature is 67.6°F (19.8°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 93.7°F (34.3°C).

What is the average humidity in September in Bonaire?

In September, the average relative humidity is 73%.

What is the driest month in Bonaire?

September and November are months with the least rain when the rain falls for 13 days and typically aggregates up to 2.05" (52mm) of rain.

How much does it rain in Bonaire in September?

In Bonaire, during September, the rain falls for 13 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When it does not snow in Bonaire?

In Bonaire, Georgia, snow does not fall in March through December.

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

In Bonaire, Georgia, the average day length in September is 12h and 22min.

What time are sunrise and sunset in September in Bonaire?

On the first day of September in Bonaire, sunrise is at 7:09 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:20 pm EDT.

How long on average sun shines in September in Bonaire?

In Bonaire, the average sunshine duration in September is 8.6h.

What is the UV index intensity in September in Bonaire?

In Bonaire, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bonaire, GA

Average temperature in September - Bonaire, GA
  • Average high temperature in September: 84.9°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (54.9°F).

  • Average low temperature in September: 67.6°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

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Average pressure in September
Bonaire, GA

Average pressure in September - Bonaire, GA
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in September
Bonaire, GA

Average wind speed in September - Bonaire, GA
  • Average wind speed in September: 5.7mph

The windiest months (with the highest average wind speed) are January and February (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
Bonaire, GA

Average humidity in September - Bonaire, GA
  • Average humidity in September: 73%

The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are January, October and November (71%).

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Average rainfall in September
Bonaire, GA

Average rainfall in September - Bonaire, GA
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is April (3.66").
The driest months (with the least rainfall) are September and November (2.05").

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Average rainfall days in September
Bonaire, GA

Average rainfall days in September - Bonaire, GA
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (7.5 days).

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Average snowfall in September
Bonaire, GA

Average snowfall in September - Bonaire, GA
  • Average snowfall in September: 0"

The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Bonaire, GA

Average snowfall days in September - Bonaire, GA
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in September /
Average sunshine in September
Bonaire, GA

Average daylight in September / Average sunshine in September - Bonaire, GA
  • Average daylight in September: 12h and 22min

The month with the longest days is June (Average daylight: 14h and 16min).
The month with the shortest days is December (Average daylight: 10h and 3min).

  • Average sunshine in September: 8h and 36min

The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in September
Bonaire, GA

Average sunshine days in September - Bonaire, GA
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (7.7 days).

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Average UV index in September
Bonaire, GA

Average UV index in September - Bonaire, GA
  • Average UV index in September: 6

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in September
Bonaire, GA

Average cloud cover in September - Bonaire, GA
  • Average cloud cover in September: 31

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 28).

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Average visibility in September
Bonaire, GA

Average visibility in September - Bonaire, GA
  • Average visibility in September: 6mi

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

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