September weather forecast
Cojímar, Cuba

September, the first month of the autumn in Cojímar, is still a tropical month, with an average temperature varying between 31.5°C (88.7°F) and 24.1°C (75.4°F).

Temperature

As September takes its course, Cojímar's average high-temperature registers at a still tropical 31.5°C (88.7°F), closely aligning with the preceding month. During September, Cojímar witnesses a consistent average low-temperature of 24.1°C (75.4°F).

Heat index

The heat index in September is computed to be an extremely hot 43°C (109.4°F). Stay mindful: Heat exhaustion and heat cramps are likely. Heatstroke could follow extended physical effort.
Understand that the heat index values take into account shaded locations and mild winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

September and October, with an average relative humidity of 80%, are the most humid months.

Rainfall

In Cojímar, in September, during 25.2 rainfall days, 105mm (4.13") of precipitation is typically accumulated. In Cojímar, Cuba, during the entire year, the rain falls for 204.8 days and collects up to 802mm (31.57") of precipitation.

Daylight

The average length of the day in September is 12h and 16min.
On the first day of the month, sunrise is at 07:11 and sunset at 19:46. On the last day of September, in Cojímar, sunrise is at 07:20 and sunset at 19:17 CDT.

Sunshine

In Cojímar, the average sunshine in September is 8.9h.

UV index

March through September, with an average maximum UV index of 7, are months with the highest UV index in Cojímar. 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: A daily high UV index of 7 in September leads to these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.