September weather forecast
Ruskin, FL

September, the first month of the autumn in Ruskin, is also a hot month, with an average temperature ranging between max 88.3°F (31.3°C) and min 74.8°F (23.8°C).

Temperature

September's advent notes a subtle adjustment in average high-temperature to a still tropical 88.3°F (31.3°C) from August. An average low-temperature of 74.8°F (23.8°C) is noted during the nights in September in Ruskin.

Heat index

In September, the heat index is computed to be an extremely hot 105.8°F (41°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

The most humid month is September, with an average relative humidity of 77%.

Rainfall

In September, the rain falls for 20.1 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 159.5 rainfall days, and 15.16" (385mm) of precipitation is accumulated.

Ocean temperature

In September, the average ocean temperature in Ruskin is 84.4°F (29.1°C).
Note: Surface water temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are seen as ideal and highly pleasant for extended enjoyment in all water activities.

Daylight

In September, the average length of the day in Ruskin, Florida, is 12h and 19min.
On the first day of September, sunrise is at 7:08 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:16 pm EDT.

Sunshine

In Ruskin, 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 risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be on guard! The reflective nature of sand and water boosts UV exposure.