September weather forecast
North Miami, FL

September, the first month of the autumn in North Miami, is still a hot month, with an average temperature varying between 86.4°F (30.2°C) and 80.6°F (27°C).

Temperature

As North Miami steps into September, the average high-temperature holds at a still hot 86.4°F (30.2°C), hinting at a minor fluctuation from the prior month. North Miami's average low temperature, barely cooler than the daytime high, steadies at a warm 80.6°F (27°C) during September.

Heat index

For September, the heat index is estimated at a very hot 96.8°F (36°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. 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', joins air temperature with relative humidity to produce a temperature perception for humans. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

In North Miami, the average relative humidity in September is 73%.

Rainfall

In North Miami, in September, it is raining for 21.3 days, with typically 1.34" (34mm) of accumulated precipitation. In North Miami, during the entire year, the rain falls for 166.7 days and collects up to 12.91" (328mm) of precipitation.

Daylight

In September, the average length of the day is 12h and 18min.
On the first day of the month, sunrise is at 7:01 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:12 am and sunset at 7:08 pm EDT.

Sunshine

In North Miami, 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 in North Miami, Florida. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.