September weather forecastRio Cauto, Cuba
September
Weather in September
September, the first month of the autumn in Rio Cauto, is still a tropical month, with an average temperature ranging between max 32.5°C (90.5°F) and min 23.6°C (74.5°F).Temperature
With the onset of September, the average high-temperature stands at a still hot 32.5°C (90.5°F), closely aligned with August's 33.2°C (91.8°F). Throughout September, an average low-temperature of 23.6°C (74.5°F) is experienced.Heat index
During September, the heat index is estimated at a burning hot 46°C (114.8°F). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.For clarity, heat index numbers account for light winds and areas under shade. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. 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.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.
Humidity
The average relative humidity in September in Rio Cauto is 79%.Rainfall
In Rio Cauto, in September, during 23.8 rainfall days, 88mm (3.46") of precipitation is typically accumulated. In Rio Cauto, during the entire year, the rain falls for 216.6 days and collects up to 605mm (23.82") of precipitation.Daylight
In September, the average length of the day in Rio Cauto is 12h and 15min.On the first day of September, sunrise is at 06:51 and sunset at 19:23. On the last day of the month, sunrise is at 06:58 and sunset at 18:56 CDT.
Sunshine
In September, the average sunshine in Rio Cauto, Cuba, is 11.1h.UV index
The months with the highest UV index are March through October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 7 during September translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rio Cauto, Cuba
- Average high temperature in September: 32.5°C
The warmest month (with the highest average high temperature) is August (33.2°C).
The month with the lowest average high temperature is January (28.5°C).
- Average low temperature in September: 23.6°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (20.3°C).
Average pressure in September
Rio Cauto, Cuba
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is January (1016.8mbar).
The month with the lowest atmospheric pressure is October (1012.2mbar).
Average wind speed in September
Rio Cauto, Cuba
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is March (10.4km/h).
The calmest month (with the lowest average wind speed) is June (6.4km/h).
Average humidity in September
Rio Cauto, Cuba
- Average humidity in September: 79%
The month with the highest relative humidity is October (81%).
The month with the lowest relative humidity is March (69%).
Average rainfall in September
Rio Cauto, Cuba
- Average rainfall in September: 88mm
The wettest month (with the highest rainfall) is August (90mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in September
Rio Cauto, Cuba
- Average rainfall days in September: 23.8 days
The month with the highest number of rainy days is August (24.5 days).
The month with the least rainy days is February (10.3 days).
Average daylight in September /
Average sunshine in September
Rio Cauto, Cuba
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in September: 11h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The months with the least sunshine are January and October (Average sunshine: 7h and 0min).
Average sunshine days in September
Rio Cauto, Cuba
- Average sunshine days in September: 3.6 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is September (3.6 days).
Average UV index in September
Rio Cauto, Cuba
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 6).
Average cloud cover in September
Rio Cauto, Cuba
- Average cloud cover in September: 26
The months with the most cloud cover are May and October (Cloud cover 30).
The months with the least cloud cover are February, July and December (Cloud cover 24).
Average visibility in September
Rio Cauto, Cuba
- Average visibility in September: 9km
The months with the highest visibility are February, March, April and June (10km).
The months with the lowest visibility are January, May, July, August, September, October, November and December (9km).





