September weather forecast
Pompano Beach, FL

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Panorama of the glorious Pompano Beach in Florida, with the close view of the iconic Hillsboro inlet lighthouse
Panorama of the glorious Pompano Beach in Florida, with the close view of the iconic Hillsboro inlet lighthouse

Weather in September

September sees a gradual decline in the intensity of the Pompano Beach weather. The temperature cools down a bit, marking the onset of the receding summer. However, rain showers continue to grace the city, with September experiencing a reasonable 1.57in of rainfall on 22 days. This pleasant mix of conditions makes for an enjoyable atmosphere during the month. Maintaining a balanced equation of heat and rain, September's weather offers a comfortable retreat for tourists and locals alike.

Temperature

Pompano Beach's shift from August to September is accompanied by an average high-temperature of a warm 85.8°F (29.9°C), a slight deviation from 87.4°F (30.8°C). During the month of September, Pompano Beach's average nighttime temperature closely mirrors its daytime counterpart, at a still moderately hot 80.4°F (26.9°C).

Heat index

September's heat index is appraised at a torrid 96.8°F (36°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Observations indicate that the heat index values are for shady locations with light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for 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.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

The average relative humidity in September is 74%.

Rainfall

In Pompano Beach, in September, it is raining for 22 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, there are 168.2 rainfall days, and 14.17" (360mm) of precipitation is accumulated.

Ocean temperature

In Pompano Beach, the average seawater temperature in September is 85.1°F (29.5°C).
Note: In any water activity, temperatures between 77°F (25°C) and 84.2°F (29°C) are viewed as magnificent and exceptionally pleasant for prolonged enjoyment.

Daylight

In Pompano Beach, the average length of the day in September is 12h and 18min.
On the first day of September, sunrise is at 7:00 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.

Sunshine

In Pompano Beach, 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 of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 7 during September leads to these advisories:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

Frequently asked questions

How hot does it get in September?

The high-temperature during September is 85.8°F (29.9°C) and the low-temperature is 80.4°F (26.9°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in September is appraised at 96.8°F (36°C).

What is the average humidity in September?

The average relative humidity in September is 74%.

How much does it rain in September?

In September, the rain falls for 22 days. Throughout September, 1.57" (40mm) of precipitation is accumulated.

How warm is the water in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:00 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 September, the average sunshine duration is 9h.

What are the months with the highest UV index?

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

What is the UV index intensity in September?

In September, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.

Average temperature in September
Pompano Beach, FL

Average temperature in September - Pompano Beach, FL
  • Average high temperature in September: 85.8°F

The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is January (72.5°F).

  • Average low temperature in September: 80.4°F

The month with the highest average low temperature is August (81.9°F).
The coldest month (with the lowest average low temperature) is January (64.2°F).

Average pressure in September
Pompano Beach, FL

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

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

Average wind speed in September
Pompano Beach, FL

Average wind speed in September - Pompano Beach, FL
  • Average wind speed in September: 8.3mph

The windiest month (with the highest average wind speed) is March (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

Average humidity in September
Pompano Beach, FL

Average humidity in September - Pompano Beach, FL
  • Average humidity in September: 74%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is March (70%).

Average rainfall in September
Pompano Beach, FL

Average rainfall in September - Pompano Beach, FL
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in September
Pompano Beach, FL

Average rainfall days in September - Pompano Beach, FL
  • Average rainfall days in September: 22 days

The month with the highest number of rainy days is September (22 days).
The month with the least rainy days is February (6.8 days).

Average sea temperature in September
Pompano Beach, FL

Average sea temperature in September - Pompano Beach, 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).

Average daylight in September /
Average sunshine in September
Pompano Beach, FL

Average daylight in September / Average sunshine in September - Pompano Beach, 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 0min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 18min).

Average sunshine days in September
Pompano Beach, FL

Average sunshine days in September - Pompano Beach, FL
  • Average sunshine days in September: 5.3 days

The month with the most sunshine days is March (20.1 days).
The month with the least sunshine days is July (5 days).

Average UV index in September
Pompano Beach, FL

Average UV index in September - Pompano Beach, 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 5).

Average cloud cover in September
Pompano Beach, FL

Average cloud cover in September - Pompano Beach, FL
  • Average cloud cover in September: 30

The month with the most cloud cover is October (Cloud cover 35).
The months with the least cloud cover are April and July (Cloud cover 27).

Average visibility in September
Pompano Beach, FL

Average visibility in September - Pompano Beach, 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).

Pompano Beach, Florida, USA

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