September weather forecast
Sancassa, FL

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Weather in September

The first month of the autumn, September, is also a hot month in Sancassa, Florida, with an average temperature ranging between min 77.7°F (25.4°C) and max 86.9°F (30.5°C).

Temperature

September's beginning signals an average high-temperature of a still hot 86.9°F (30.5°C), barely different from August's 88.2°F (31.2°C). Sancassa experiences an average low-temperature of 77.7°F (25.4°C) in month of September.

Heat index

The heat index value during September is calculated to be a very hot 100.4°F (38°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

The average relative humidity in September is 76%.

Rainfall

In Sancassa, in September, it is raining for 21.9 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, there are 168.6 rainfall days, and 20.2" (513mm) of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 18min.
On the first day of the month, sunrise is at 7:08 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:16 pm EDT.

Sunshine

In September, the average sunshine is 9.2h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 7 during September, leads to the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in September?

September temperatures vary between a high-temperature of 86.9°F (30.5°C) and a low-temperature of 77.7°F (25.4°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 100.4°F (38°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

How much does it rain in September?

In Sancassa, in September, it is raining for 21.9 days, with typically 2.36" (60mm) of accumulated precipitation.

What is the average length of the day in September?

In September, the average day length in Sancassa is 12h and 18min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 7:08 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:16 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September in Sancassa is 9.2h.

When is the highest UV index?

The months with the highest UV index in Sancassa are May through September, with an average maximum UV index of 7.

What is the UV index reading in September?

In September, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Sancassa, FL

Average temperature in September - Sancassa, FL
  • Average high temperature in September: 86.9°F

The warmest month (with the highest average high temperature) is August (88.2°F).
The month with the lowest average high temperature is January (69.1°F).

  • Average low temperature in September: 77.7°F

The month with the highest average low temperature is August (80.1°F).
The coldest month (with the lowest average low temperature) is January (57.4°F).

Average pressure in September
Sancassa, FL

Average pressure in September - Sancassa, FL
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).

Average wind speed in September
Sancassa, FL

Average wind speed in September - Sancassa, FL
  • Average wind speed in September: 7.4mph

The windiest month (with the highest average wind speed) is November (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in September
Sancassa, FL

Average humidity in September - Sancassa, FL
  • Average humidity in September: 76%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are March and May (73%).

Average rainfall in September
Sancassa, FL

Average rainfall in September - Sancassa, FL
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is February (0.51").

Average rainfall days in September
Sancassa, FL

Average rainfall days in September - Sancassa, FL
  • Average rainfall days in September: 21.9 days

The month with the highest number of rainy days is August (23.6 days).
The month with the least rainy days is January (6.6 days).

Average daylight in September /
Average sunshine in September
Sancassa, FL

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

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in September
Sancassa, FL

Average sunshine days in September - Sancassa, FL
  • Average sunshine days in September: 5.1 days

The month with the most sunshine days is January (22 days).
The month with the least sunshine days is August (4 days).

Average UV index in September
Sancassa, FL

Average UV index in September - Sancassa, 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 months with the lowest UV index are January, February and December (UV index 5).

Average cloud cover in September
Sancassa, FL

Average cloud cover in September - Sancassa, FL
  • Average cloud cover in September: 27

The month with the most cloud cover is January (Cloud cover 28).
The month with the least cloud cover is May (Cloud cover 22).

Average visibility in September
Sancassa, FL

Average visibility in September - Sancassa, 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).

Sancassa, Florida, USA

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