September weather forecast
Blacks Still, FL

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Weather in September

The first month of the autumn, September, is also a hot month in Blacks Still, Florida, with an average temperature ranging between min 70.5°F (21.4°C) and max 88.2°F (31.2°C).

Temperature

Blacks Still registers an average high-temperature of a still tropical 88.2°F (31.2°C) with the arrival of September, showing minor deviation from the preceding month. Throughout September, an average nighttime temperature of 70.5°F (21.4°C) is experienced in Blacks Still.

Heat index

The heat index in September is computed to be a blistering 104°F (40°C). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

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

Rainfall

In Blacks Still, in September, during 16.7 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, in Blacks Still, there are 160.1 rainfall days, and 24.49" (622mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall in Blacks Still, Florida.

Daylight

The average length of the day in September in Blacks Still is 12h and 20min.
On the first day of the month, sunrise is at 7:08 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:17 pm EDT.

Sunshine

In September, the average sunshine in Blacks Still is 8.4h.

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 6 in September translates into these instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. 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. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

How hot is September in Blacks Still?

The high-temperature, in September, in Blacks Still, is 88.2°F (31.2°C), while the low-temperature averages to 70.5°F (21.4°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 104°F (40°C).

What is the average humidity in September in Blacks Still?

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

How many days does it rain in September in Blacks Still?

In Blacks Still, in September, it is raining for 16.7 days, with typically 2.32" (59mm) of accumulated precipitation.

When it does not snow in Blacks Still?

In Blacks Still, snow does not fall in March through December.

What is the average length of the day in September in Blacks Still?

In September, the average day length in Blacks Still, Florida, is 12h and 20min.

When is the sunrise / sunset in September in Blacks Still?

In September, on the first day of the month, sunrise is at 7:08 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:17 pm EDT.

How many hours of sunshine does Blacks Still have in September?

In Blacks Still, Florida, the average sunshine duration in September is 8.4h.

What is the UV index reading in September in Blacks Still?

In Blacks Still, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Blacks Still, FL

Average temperature in September - Blacks Still, FL
  • Average high temperature in September: 88.2°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (61.7°F).

  • Average low temperature in September: 70.5°F

The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).

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Average pressure in September
Blacks Still, FL

Average pressure in September - Blacks Still, FL
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

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Average wind speed in September
Blacks Still, FL

Average wind speed in September - Blacks Still, FL
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in September
Blacks Still, FL

Average humidity in September - Blacks Still, FL
  • Average humidity in September: 76%

The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are April and May (70%).

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Average rainfall in September
Blacks Still, FL

Average rainfall in September - Blacks Still, FL
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is June (3.9").
The driest month (with the least rainfall) is November (0.98").

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Average rainfall days in September
Blacks Still, FL

Average rainfall days in September - Blacks Still, FL
  • Average rainfall days in September: 16.7 days

The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (6.6 days).

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Average snowfall days in September
Blacks Still, FL

Average snowfall days in September - Blacks Still, FL
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.1 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
Blacks Still, FL

Average daylight in September / Average sunshine in September - Blacks Still, FL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in September
Blacks Still, FL

Average sunshine days in September - Blacks Still, FL
  • Average sunshine days in September: 11.6 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is August (5.5 days).

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Average UV index in September
Blacks Still, FL

Average UV index in September - Blacks Still, FL
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

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Average cloud cover in September
Blacks Still, FL

Average cloud cover in September - Blacks Still, FL
  • Average cloud cover in September: 35

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 31).

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Average visibility in September
Blacks Still, FL

Average visibility in September - Blacks Still, FL
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, August, October and November (6mi).
The months with the lowest visibility are September and December (5mi).

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Blacks Still, Florida, USA

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