Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's advent presents an average high-temperature of a still tropical 87.1°F (30.6°C), indicating a slight variation from the conditions of the previous month. Throughout the month of September, Black Diamond witnesses an average temperature of 74.3°F (23.5°C).Heat index
In September, the average heat index is computed to be a sweltering 102.2°F (39°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.The standards for the heat index are set for locations in shade and under light breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.
Humidity
The most humid month is September, with an average relative humidity of 78%.Rainfall
In Black Diamond, in September, it is raining for 21.4 days, with typically 3.54" (90mm) of accumulated precipitation. Throughout the year, there are 178.4 rainfall days, and 34.06" (865mm) of precipitation is accumulated.Snowfall
In Black Diamond, snow does not fall in February through December.Daylight
The average length of the day in September is 12h and 19min.On the first day of September, sunrise is at 7:08 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:16 pm EDT.
Sunshine
The average sunshine in September is 8.9h.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the UV index of 7 transforms into the following advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the most humid month?
What is the average humidity in September?
How many days does it rain in September in Black Diamond?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Black Diamond have in September?
What are the months with the highest UV index?
What is the UV index reading in September in Black Diamond?
Average temperature in September
Black Diamond, FL
- Average high temperature in September: 87.1°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is January (65.3°F).
- Average low temperature in September: 74.3°F
The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (49.6°F).
Average pressure in September
Black Diamond, FL
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in September
Black Diamond, FL
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are March and April (7.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in September
Black Diamond, FL
- Average humidity in September: 78%
The month with the highest relative humidity is September (78%).
The months with the lowest relative humidity are January, March and May (73%).
Average rainfall in September
Black Diamond, FL
- Average rainfall in September: 3.54"
The wettest month (with the highest rainfall) is August (5.51").
The driest month (with the least rainfall) is March (1.26").
Average rainfall days in September
Black Diamond, FL
- Average rainfall days in September: 21.4 days
The month with the highest number of rainy days is August (26.9 days).
The month with the least rainy days is November (8.7 days).
Average snowfall days in September
Black Diamond, FL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Black Diamond, FL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is May (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Black Diamond, FL
- Average sunshine days in September: 6.2 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is August (2.1 days).
Average UV index in September
Black Diamond, FL
- Average UV index in September: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in September
Black Diamond, FL
- Average cloud cover in September: 29
The months with the most cloud cover are February and December (Cloud cover 34).
The month with the least cloud cover is May (Cloud cover 24).
Average visibility in September
Black Diamond, FL
- 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).
Black Diamond, Florida, USA
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