September weather forecast
Lake Buena Vista, FL

September exhibits a gradual retreat from the summer intensity in Lake Buena Vista. A noticeable decline in temperatures becomes evident, with the maximum temperature dipping to 88.5°F (31.4°C) from August's high. This month witnesses the heralding of the fall season, coupled with a softening in the overall climate. The occasional showers, swept in by warm breezes, add a touch of cool freshness to the city. As September progresses, the weather starts to mellow, crafting a soothing atmosphere in Lake Buena Vista.

Temperature

Lake Buena Vista observes a minor difference in average high-temperatures between August's 91°F (32.8°C) and September's 88.5°F (31.4°C). An average low-temperature of 74.5°F (23.6°C) is noted during the month of September.

Heat index

The heat index in September is computed to be a blistering 105.8°F (41°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
For clarity, heat index numbers account for light winds and areas under shade. 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 'feels like' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

With an average relative humidity of 77%, September is the most humid month.

Rainfall

In September, the rain falls for 15.4 days. Throughout September, 0.75" (19mm) of precipitation is accumulated. In Lake Buena Vista, during the entire year, the rain falls for 126.6 days and collects up to 9.06" (230mm) of precipitation.

Daylight

In Lake Buena Vista, the average length of the day in September is 12h and 19min.
On the first day of September, sunrise is at 7:04 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:12 pm EDT.

Sunshine

In Lake Buena Vista, the average sunshine in September is 8.5h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 7 in September transforms into the following instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.