September weather forecast
Panama City, FL

September in Panama City ushers in a break from the intense summer heat, introducing a slight cool-down. Despite the reduced day length, September maintains high UV radiation levels. The rainfall volume decreases compared to August's peak, presaging the approaching end of the four-month-long wet season. September's most discernable feature involves a decrease in temperatures having the highs at 85.5°F (29.7°C) and lows dropping to 74.7°F (23.7°C).

Temperature

September's onset records a minor alteration in the average high-temperature to a moderately hot 85.5°F (29.7°C) from August's 88.3°F (31.3°C). Panama City throughout September, experiences an average nighttime temperature of 74.7°F (23.7°C).

Heat index

September's heat index is computed to be a very hot 95°F (35°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In Panama City, the average relative humidity in September is 74%.

Rainfall

In September, in Panama City, the rain falls for 17.7 days. Throughout September, 2.8" (71mm) of precipitation is accumulated. In Panama City, Florida, during the entire year, the rain falls for 166.1 days and collects up to 35.83" (910mm) of precipitation.

Snowfall

February, April through December are months without snowfall.

Ocean temperature

In Panama City, the average seawater temperature in September is 83.1°F (28.4°C).
Note: 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.

Daylight

The average length of the day in September is 12h and 20min.
On the first day of September, sunrise is at 6:19 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 6:28 pm CDT.

Sunshine

The average sunshine in September in Panama City is 9.3h.

UV index

In Panama City, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 6 during September translates into the following guidance:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Stay sun-safe with clothing that is both closely woven and worn loosely. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.