Deerfield Beach
Florida, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Deerfield Beach, FL

A long and endless view of the calm sea and white sand of the famous Deerfield Beach in Florida, with a vast panorama of the city
A long and endless view of the calm sea and white sand of the famous Deerfield Beach in Florida, with a vast panorama of the city
September is a hot and humid month of the wet season in Deerfield Beach - the average humidity is at the highest point of the year, and the temperatures register in the range of 74°F (23.3°C) to 91°F (32.8°C).
September brings dark skies as the rainfall registers an ample 7" (177.8mm). The days extend to 13 hours as the daily sunshine lasts for 9 hours. The wet season is in full swing, and visitors may remain stranded indoors in hotels for long periods.
Deerfield Beach usually sees a drop in tourist numbers in September.

What is the temperature in September in Deerfield Beach?

The average high-temperature, in September, in Deerfield Beach, is 91°F (32.8°C), while the average low-temperature is 73.9°F (23.3°C).

How much does it rain in Deerfield Beach in September?

Throughout September, in Deerfield Beach, Florida, 7" (178.1mm) of precipitation is accumulated.

What is the water temperature in September in Deerfield Beach?

In September, the average ocean temperature is 85.1°F (29.5°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in September in Deerfield Beach?

The average length of the day in September is 12.3h.
Average temperature in September - Deerfield Beach, FL
  • Average high temperature in September: 91°F

Warmest months (with the highest average high temperature) are July and August (92°F).
The month with the lowest average high temperature is January (76°F).

  • Average low temperature in September: 74°F

Months with the highest average low temperature are July and August (75°F).
Coldest months (with the lowest average low temperature) are January and February (58°F).

Average rainfall in September - Deerfield Beach, FL
  • Average rainfall in September: 7"

The wettest month (with the highest rainfall) is June (7.3").
The driest month (with the lowest rainfall) is December (2.5").

Average sea temperature in September - Deerfield 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).
Coldest months (with the lowest average sea temperature) are January and February (74.2°F).

Average daylight in September - Deerfield Beach, FL
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.8h).
The month with shortest days is December (Average daylight: 10.5h).