September weather forecast
Hollywood, FL

Share

Weather in September

The shift from August to September in Hollywood brings a slight decrease in temperature, but the weather continues to be sweaty and humid. The city starts experiencing reduction in daylight hours and a diminished UV index. The sea temperature begins to drop slightly, signaling the upcoming end of summer. September remains wet, receiving a total of 7.68" (195mm) of rainfall.

Temperature

Upon the beginning of September, Hollywood's high-temperatures register at a still tropical 86.2°F (30.1°C), closely mirroring the preceding month. In Hollywood, the September nights are characterized by an average low-temperature of 80.4°F (26.9°C), a minor dip from daytime readings.

Heat index

For most parts of September, the heat index is calculated to be a fiery hot 96.8°F (36°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. 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 remain especially vital for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

The average relative humidity in September is 73%.

Rainfall

In September, the rain falls for 26.9 days. Throughout September, 7.68" (195mm) of precipitation is accumulated. In Hollywood, during the entire year, the rain falls for 240.3 days and collects up to 50.75" (1289mm) of precipitation.

Ocean temperature

In Hollywood, in September, the average water temperature is 85.1°F (29.5°C).
Note: Temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.

Daylight

In Hollywood, the average length of the day in September is 12h and 18min.
On the first day of the month, sunrise is at 7:01 am and sunset at 7:39 pm. On the last day of September, in Hollywood, sunrise is at 7:12 am and sunset at 7:07 pm EDT.

Sunshine

The average sunshine in September is 9h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 7 in September translates into this advice:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Heed this! UV intensity is much stronger when reflected off sand and water.
[Resources]

Frequently asked questions

Is it hot in Hollywood during September?

September temperatures in Hollywood, Florida, vary between a high-temperature of 86.2°F (30.1°C) and a low-temperature of 80.4°F (26.9°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in September is calculated to be 96.8°F (36°C).

What is the average humidity in September in Hollywood?

The average relative humidity in September is 73%.

How much does it rain in Hollywood in September?

In Hollywood, Florida, in September, it is raining for 26.9 days, with typically 7.68" (195mm) of accumulated precipitation.

What is the water temperature in September in Hollywood?

In Hollywood, in September, the average water temperature is 85.1°F (29.5°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in September in Hollywood?

The average day length in September in Hollywood, Florida, is 12h and 18min.

What time are sunrise and sunset in September in Hollywood?

On the first day of September in Hollywood, Florida, sunrise is at 7:01 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:07 pm EDT.

How long on average sun shines in September in Hollywood?

The average sunshine duration in September in Hollywood, Florida, is 9h.

When is the highest UV index in Hollywood?

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

What is the UV index reading in September in Hollywood?

In September, the average daily maximum UV index in Hollywood is 7. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.

Average temperature in September
Hollywood, FL

Average temperature in September - Hollywood, FL
  • Average high temperature in September: 86.2°F

The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (73.2°F).

  • Average low temperature in September: 80.4°F

The month with the highest average low temperature is August (82°F).
The coldest month (with the lowest average low temperature) is January (64°F).

[Resources]

Average pressure in September
Hollywood, FL

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.95"Hg).

[Resources]

Average wind speed in September
Hollywood, FL

Average wind speed in September - Hollywood, FL
  • Average wind speed in September: 8mph

The windiest month (with the highest average wind speed) is March (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

[Resources]

Average humidity in September
Hollywood, FL

Average humidity in September - Hollywood, FL
  • Average humidity in September: 73%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is March (69%).

[Resources]

Average rainfall in September
Hollywood, FL

Average rainfall in September - Hollywood, FL
  • Average rainfall in September: 7.68"

The wettest month (with the highest rainfall) is August (8.23").
The driest month (with the least rainfall) is January (1.38").

[Resources]

Average rainfall days in September
Hollywood, FL

Average rainfall days in September - Hollywood, FL
  • Average rainfall days in September: 26.9 days

The month with the highest number of rainy days is August (28.1 days).
The month with the least rainy days is February (13 days).

[Resources]

Average sea temperature in September
Hollywood, FL

Average sea temperature in September - Hollywood, FL
  • Average sea temperature in September: 85.1°F

The best month for swimming (with the highest average sea temperature) is August (86.3°F).
The coldest months (with the lowest average sea temperature) are January and February (74.2°F).

[Resources]

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

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

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).

[Resources]

Average sunshine days in September
Hollywood, FL

Average sunshine days in September - Hollywood, FL
  • Average sunshine days in September: 1.9 days

The month with the most sunshine days is March (12.9 days).
The months with the least sunshine days are July, August and September (1.9 days).

[Resources]

Average UV index in September
Hollywood, FL

Average UV index in September - Hollywood, 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 and December (UV index 5).

[Resources]

Average cloud cover in September
Hollywood, FL

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

The month with the most cloud cover is October (Cloud cover 36).
The months with the least cloud cover are April and July (Cloud cover 28).

[Resources]

Average visibility in September
Hollywood, FL

Average visibility in September - Hollywood, 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).

[Resources]

Hollywood, Florida, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location