September weather forecast
Cheval, FL

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Weather in September

The first month of the autumn, September, is still a tropical month in Cheval, Florida, with temperature in the range of an average high of 88.7°F (31.5°C) and an average low of 74.8°F (23.8°C).

Temperature

The transition from August to September sees an average high-temperature of a still tropical 88.7°F (31.5°C), indicating a minor variance from the prior month. During the month of September, Cheval's nighttime temperature lowers to an average of 74.8°F (23.8°C).

Heat index

In September, the heat index is calculated to be a blisteringly hot 105.8°F (41°C). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

The months with the highest humidity are September and December, with an average relative humidity of 76%.

Rainfall

In Cheval, during September, the rain falls for 20 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 162.9 rainfall days, and 23.7" (602mm) of precipitation is accumulated.

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 7:50 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:16 pm EDT.

Sunshine

In Cheval, 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 of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 7 in September translates into these instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

An average high-temperature, in September, in Cheval, is 88.7°F (31.5°C) and the average low-temperature is 74.8°F (23.8°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in September is calculated to be 105.8°F (41°C).

What is the most humid month in Cheval?

The months with the highest humidity in Cheval are September and December, with an average relative humidity of 76%.

What is the average humidity in September?

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

How many days does it rain in September?

In September, the rain falls for 20 days. Throughout September, 2.72" (69mm) of precipitation is accumulated.

What is the average length of the day in September?

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

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 7:50 pm. On the last day of the month, in Cheval, sunrise is at 7:22 am and sunset at 7:16 pm EDT.

How many hours of sunshine does Cheval have in September?

In Cheval, the average sunshine duration in September is 8.9h.

What are the months with the highest UV index?

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

What is the UV index intensity in September?

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Cheval, FL

Average temperature in September - Cheval, FL
  • Average high temperature in September: 88.7°F

The warmest month (with the highest average high temperature) is August (90.5°F).
The month with the lowest average high temperature is January (67.6°F).

  • Average low temperature in September: 74.8°F

The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (52°F).

Average pressure in September
Cheval, FL

Average pressure in September - Cheval, 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
Cheval, FL

Average wind speed in September - Cheval, FL
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is July (5.3mph).

Average humidity in September
Cheval, FL

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

The months with the highest relative humidity are September and December (76%).
The month with the lowest relative humidity is May (70%).

Average rainfall in September
Cheval, FL

Average rainfall in September - Cheval, FL
  • Average rainfall in September: 2.72"

The wettest month (with the highest rainfall) is July (4.45").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in September
Cheval, FL

Average rainfall days in September - Cheval, FL
  • Average rainfall days in September: 20 days

The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is January (6.8 days).

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

Average daylight in September / Average sunshine in September - Cheval, 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 May (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in September
Cheval, FL

Average sunshine days in September - Cheval, FL
  • Average sunshine days in September: 7.1 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is August (4.3 days).

Average UV index in September
Cheval, FL

Average UV index in September - Cheval, 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
Cheval, FL

Average cloud cover in September - Cheval, FL
  • Average cloud cover in September: 30

The months with the most cloud cover are February and December (Cloud cover 33).
The month with the least cloud cover is May (Cloud cover 24).

Average visibility in September
Cheval, FL

Average visibility in September - Cheval, 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).

Cheval, Florida, USA

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