September weather forecast
Old Henley Place, FL

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Weather in September

The first month of the autumn, September, is also a hot month in Old Henley Place, Florida, with temperature in the range of an average low of 73.8°F (23.2°C) and an average high of 88.2°F (31.2°C).

Temperature

As Old Henley Place steps into September, the average high-temperature is measured at a still tropical 88.2°F (31.2°C), displaying minor differences from August's 90.1°F (32.3°C). Old Henley Place records an average temperature drop to a warm 73.8°F (23.2°C) in September.

Heat index

For most parts of September, the heat index is computed to be a blisteringly hot 105.8°F (41°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

August and September, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Old Henley Place, during September, the rain falls for 24.4 days and regularly aggregates up to 4.45" (113mm) of precipitation. In Old Henley Place, during the entire year, the rain falls for 200.6 days and collects up to 40.39" (1026mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

The average length of the day in September is 12h and 19min.
On the first day of the month, sunrise is at 7:07 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:15 pm EDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

May through July and 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 threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 7 in September translates into this advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in September?

Old Henley Place in September has an average high-temperature of 88.2°F (31.2°C) and an average low-temperature of 73.8°F (23.2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is computed to be 105.8°F (41°C).

What are the most humid months?

August and September, with an average relative humidity of 79%, are most humid months.

What is the average humidity in September?

The average relative humidity in September is 79%.

How many days does it rain in September?

In Old Henley Place, in September, during 24.4 rainfall days, 4.45" (113mm) of precipitation is typically accumulated.

When it does not snow?

February through December are months without snowfall.

What is the average length of the day in September?

In September, the average day length is 12h and 19min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:07 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:15 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.9h.

What are the months with the highest UV index?

The months with the highest UV index in Old Henley Place are May through July and September, with an average maximum UV index of 7.

What is the UV index intensity in September?

In Old Henley Place, Florida, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's 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
Old Henley Place, FL

Average temperature in September - Old Henley Place, FL
  • Average high temperature in September: 88.2°F

The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (67.6°F).

  • Average low temperature in September: 73.8°F

The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is January (50.2°F).

Average pressure in September
Old Henley Place, FL

Average pressure in September - Old Henley Place, FL
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

Average wind speed in September
Old Henley Place, FL

Average wind speed in September - Old Henley Place, FL
  • Average wind speed in September: 4.9mph

The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

Average humidity in September
Old Henley Place, FL

Average humidity in September - Old Henley Place, FL
  • Average humidity in September: 79%

The months with the highest relative humidity are August and September (79%).
The month with the lowest relative humidity is March (72%).

Average rainfall in September
Old Henley Place, FL

Average rainfall in September - Old Henley Place, FL
  • Average rainfall in September: 4.45"

The wettest month (with the highest rainfall) is August (7.17").
The driest months (with the least rainfall) are February, March and November (1.42").

Average rainfall days in September
Old Henley Place, FL

Average rainfall days in September - Old Henley Place, FL
  • Average rainfall days in September: 24.4 days

The month with the highest number of rainy days is August (28.8 days).
The month with the least rainy days is December (9.5 days).

Average snowfall days in September
Old Henley Place, FL

Average snowfall days in September - Old Henley Place, 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
Old Henley Place, FL

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

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

Average sunshine days in September
Old Henley Place, FL

Average sunshine days in September - Old Henley Place, FL
  • Average sunshine days in September: 3.8 days

The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is August (0.8 days).

Average UV index in September
Old Henley Place, FL

Average UV index in September - Old Henley Place, FL
  • Average UV index in September: 7

The months with the highest UV index are May, June, July and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

Average cloud cover in September
Old Henley Place, FL

Average cloud cover in September - Old Henley Place, FL
  • Average cloud cover in September: 31

The months with the most cloud cover are February and December (Cloud cover 35).
The month with the least cloud cover is May (Cloud cover 27).

Average visibility in September
Old Henley Place, FL

Average visibility in September - Old Henley Place, 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).

Old Henley Place, Florida, USA

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