September weather forecast
Santa Cruz del Sur, Cuba

September signifies the beginning of the transition towards cooler months in Santa Cruz del Sur. An all-time high of 140mm (5.51") rainfall is expected, surpassing the previous high of 106mm (4.17") in August. Despite the prevalent showers, nature thrives, and one can witness the rejuvenation of flora and fauna around the city. The thunderstorms are usually brief, leaving plenty of sunshine and clear skies for outdoor activities.

Temperature

The average high-temperature in September in Santa Cruz del Sur, at a still hot 31.8°C (89.2°F), reveals a modest deviation from August's 32.8°C (91°F). Santa Cruz del Sur temperatures generally rest at a low of 23°C (73.4°F) during the September nights.

Heat index

The heat index for September is evaluated at a burning hot 45°C (113°F). Keep guard: Heat cramps and heat exhaustion are likely. Continued activity increases the risk of heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. 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 meaningful for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

In Santa Cruz del Sur, Cuba, the average relative humidity in September is 84%.

Rainfall

September is the month with the most rainfall in Santa Cruz del Sur. Rain falls for 25.4 days and accumulates 140mm (5.51") of precipitation.

Daylight

In September, the average length of the day in Santa Cruz del Sur is 12h and 15min.
On the first day of the month, sunrise is at 06:56 and sunset at 19:27. On the last day of September, sunrise is at 07:02 and sunset at 19:00 CDT.

Sunshine

The average sunshine in September is 10h.

UV index

The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 7 during September translates into these guidelines:
Inhibit overexposure. Warding off sun damage is of utmost importance. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.