September weather forecast
Deer Park, FL

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Weather in September

September, the first month of the autumn in Deer Park, is still a tropical month, with an average temperature ranging between max 88.7°F (31.5°C) and min 74.8°F (23.8°C).

Temperature

Deer Park greets September with an average high-temperature of a still tropical 88.7°F (31.5°C), marking a slight deviation from the preceding month. Deer Park records a consistent low-temperature of 74.8°F (23.8°C) during September nights.

Heat index

The heat index for September is appraised at a blisteringly hot 105.8°F (41°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

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

Rainfall

In Deer Park, in September, during 20 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. In Deer Park, during the entire year, the rain falls for 162.9 days and collects up to 23.7" (602mm) of precipitation.

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

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 reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

Is it hot in Deer Park during September?

In Deer Park, in September, the average high-temperature is 88.7°F (31.5°C), and the average low-temperature is 74.8°F (23.8°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 105.8°F (41°C).

What is the most humid month in Deer Park?

September and December, with an average relative humidity of 76%, are most humid months in Deer Park.

What is the average humidity in September in Deer Park?

In September, the average relative humidity is 76%.

How much does it rain in Deer Park in September?

In Deer Park, in September, during 20 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

How many hours of daylight does Deer Park have in September?

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

What time are sunrise and sunset in September in Deer Park?

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, sunrise is at 7:22 am and sunset at 7:16 pm EDT.

How many hours of sunshine does Deer Park have in September?

In Deer Park, Florida, the average sunshine duration in September is 8.9h.

When is the highest UV index in Deer Park?

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

How high is the UV index in September in Deer Park?

The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health risk 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
Deer Park, FL

Average temperature in September - Deer Park, 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).

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Average pressure in September
Deer Park, FL

Average pressure in September - Deer Park, 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).

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Average wind speed in September
Deer Park, FL

Average wind speed in September - Deer Park, 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).

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Average humidity in September
Deer Park, FL

Average humidity in September - Deer Park, 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%).

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Average rainfall in September
Deer Park, FL

Average rainfall in September - Deer Park, 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").

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Average rainfall days in September
Deer Park, FL

Average rainfall days in September - Deer Park, 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).

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Average daylight in September /
Average sunshine in September
Deer Park, FL

Average daylight in September / Average sunshine in September - Deer Park, 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).

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Average sunshine days in September
Deer Park, FL

Average sunshine days in September - Deer Park, 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).

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Average UV index in September
Deer Park, FL

Average UV index in September - Deer Park, 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).

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Average cloud cover in September
Deer Park, FL

Average cloud cover in September - Deer Park, 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).

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Average visibility in September
Deer Park, FL

Average visibility in September - Deer Park, 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).

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Deer Park, Florida, USA

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