September weather forecastBonaire, GA
September
Weather in September
September, the first month of the autumn in Bonaire, is also a moderately hot month, with an average temperature ranging between max 84.9°F (29.4°C) and min 67.6°F (19.8°C).Temperature
September's average high-temperature is a warm 84.9°F (29.4°C), maintaining a close comparison with August's 89.4°F (31.9°C). During September, Bonaire experiences an average low-temperature of 67.6°F (19.8°C) at night.Heat index
September's heat index is evaluated at a hot 93.2°F (34°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In September, the average relative humidity is 73%.Rainfall
The months with the least rainfall are September and November Rain falls for 13 days and accumulates 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 in Bonaire is 12h and 22min.On the first day of the month, sunrise is at 7:09 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:20 pm EDT.
Sunshine
The average sunshine in September in Bonaire is 8.6h.UV index
In Bonaire, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in September /
Average sunshine in September
Bonaire, GA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- 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).
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).
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).
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).
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).





