September weather forecast
Hamptons at Boca Raton, FL

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Hamptons at Boca Raton, Florida, with temperature in the range of an average low of 80.2°F (26.8°C) and an average high of 85.3°F (29.6°C).

Temperature

Hamptons at Boca Raton measures an average high-temperature of a warm 85.3°F (29.6°C) in September, nearly consistent with the preceding month. Hamptons at Boca Raton, in September, logs an average low-temperature of 80.2°F (26.8°C), a subtle step down from daytime readings.

Heat index

September's average heat index is appraised at a torrid 95°F (35°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. 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 'real feel' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

In Hamptons at Boca Raton, Florida, the average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 27.8 days. Throughout September, 10.59" (269mm) of precipitation is accumulated. In Hamptons at Boca Raton, Florida, during the entire year, the rain falls for 244.6 days and collects up to 68.54" (1741mm) of precipitation.

Daylight

In Hamptons at Boca Raton, 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 7:40 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:07 pm EDT.

Sunshine

The average sunshine in September is 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 hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Hamptons at Boca Raton during September?

In September, the average high-temperature and low-temperature in Hamptons at Boca Raton are 85.3°F (29.6°C) and 80.2°F (26.8°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is appraised at 95°F (35°C).

What is the average humidity in September in Hamptons at Boca Raton?

In Hamptons at Boca Raton, Florida, the average relative humidity in September is 74%.

How much does it rain in Hamptons at Boca Raton in September?

In September, the rain falls for 27.8 days. Throughout September, 10.59" (269mm) of precipitation is accumulated.

How many hours of daylight does Hamptons at Boca Raton have in September?

The average day length in September in Hamptons at Boca Raton, Florida, is 12h and 18min.

When is the sunrise / sunset in September in Hamptons at Boca Raton?

On the first day of September in Hamptons at Boca Raton, sunrise is at 7:00 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:07 pm EDT.

How long on average sun shines in September in Hamptons at Boca Raton?

The average sunshine duration in September in Hamptons at Boca Raton is 9h.

What is the month with the highest UV index in Hamptons at Boca Raton?

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 Hamptons at Boca Raton?

In September, the average daily maximum UV index in Hamptons at Boca Raton, Florida, is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.

Average temperature in September
Hamptons at Boca Raton, FL

Average temperature in September - Hamptons at Boca Raton, FL
  • Average high temperature in September: 85.3°F

The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is January (72.5°F).

  • Average low temperature in September: 80.2°F

The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is January (64.2°F).

Average pressure in September
Hamptons at Boca Raton, FL

Average pressure in September - Hamptons at Boca Raton, 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
Hamptons at Boca Raton, FL

Average wind speed in September - Hamptons at Boca Raton, FL
  • Average wind speed in September: 8.4mph

The windiest month (with the highest average wind speed) is March (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

Average humidity in September
Hamptons at Boca Raton, FL

Average humidity in September - Hamptons at Boca Raton, FL
  • Average humidity in September: 74%

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

Average rainfall in September
Hamptons at Boca Raton, FL

Average rainfall in September - Hamptons at Boca Raton, FL
  • Average rainfall in September: 10.59"

The wettest month (with the highest rainfall) is August (12.05").
The driest month (with the least rainfall) is January (1.57").

Average rainfall days in September
Hamptons at Boca Raton, FL

Average rainfall days in September - Hamptons at Boca Raton, FL
  • Average rainfall days in September: 27.8 days

The month with the highest number of rainy days is August (29.3 days).
The month with the least rainy days is February (12.7 days).

Average daylight in September /
Average sunshine in September
Hamptons at Boca Raton, FL

Average daylight in September / Average sunshine in September - Hamptons at Boca Raton, 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: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).

Average sunshine days in September
Hamptons at Boca Raton, FL

Average sunshine days in September - Hamptons at Boca Raton, FL
  • Average sunshine days in September: 1.4 days

The month with the most sunshine days is March (13.3 days).
The month with the least sunshine days is August (0.9 days).

Average UV index in September
Hamptons at Boca Raton, FL

Average UV index in September - Hamptons at Boca Raton, 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
Hamptons at Boca Raton, FL

Average cloud cover in September - Hamptons at Boca Raton, FL
  • Average cloud cover in September: 31

The month with the most cloud cover is October (Cloud cover 36).
The months with the least cloud cover are March, April, May and July (Cloud cover 29).

Average visibility in September
Hamptons at Boca Raton, FL

Average visibility in September - Hamptons at Boca Raton, 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).

Hamptons at Boca Raton, Florida, USA

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