September weather forecastSan Vicente, Cuba
September weather forecast for San Vicente, Cuba: In September, the average heat index, which takes the relative humidity and factors it into the air temperature reading, is calculated to be 42°C (107.6°F). September, the first month of the autumn in San Vicente, is still a hot month, with an average temperature varying between 31.2°C (88.2°F) and 22.6°C (72.7°F).
September
Weather in September
September, the first month of the autumn in San Vicente, is still a hot month, with an average temperature varying between 31.2°C (88.2°F) and 22.6°C (72.7°F).Temperature
The shift into September records an average high-temperature of a still hot 31.2°C (88.2°F), subtly varied from August's 31.8°C (89.2°F). In San Vicente, September nights witness a steady temperature drop to an agreeable 22.6°C (72.7°F).Heat index
The average heat index in September is calculated to be a scorching 42°C (107.6°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
In San Vicente, the average relative humidity in September is 81%.Rainfall
In September, the rain falls for 26.5 days. Throughout September, 125mm (4.92") of precipitation is accumulated. Throughout the year, there are 242.5 rainfall days, and 898mm (35.35") of precipitation is accumulated.Daylight
In San Vicente, the average length of the day in September is 12h and 15min.On the first day of the month, sunrise is at 06:47 and sunset at 19:18. On the last day of September, sunrise is at 06:53 and sunset at 18:51 CDT.
Sunshine
In September, the average sunshine is 10.8h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health 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:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
San Vicente, Cuba
- Average high temperature in September: 31.2°C
The warmest months (with the highest average high temperature) are July and August (31.8°C).
The month with the lowest average high temperature is January (27.8°C).
- Average low temperature in September: 22.6°C
The month with the highest average low temperature is August (23.1°C).
The coldest months (with the lowest average low temperature) are January and February (19.3°C).
Average pressure in September
San Vicente, Cuba
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is January (1016.6mbar).
The month with the lowest atmospheric pressure is October (1012.1mbar).
Average wind speed in September
San Vicente, Cuba
- Average wind speed in September: 5.4km/h
The windiest month (with the highest average wind speed) is February (7.5km/h).
The calmest month (with the lowest average wind speed) is September (5.4km/h).
Average humidity in September
San Vicente, Cuba
- Average humidity in September: 81%
The months with the highest relative humidity are October and November (83%).
The month with the lowest relative humidity is March (76%).
Average rainfall in September
San Vicente, Cuba
- Average rainfall in September: 125mm
The wettest month (with the highest rainfall) is May (133mm).
The driest month (with the least rainfall) is February (20mm).
Average rainfall days in September
San Vicente, Cuba
- Average rainfall days in September: 26.5 days
The months with the highest number of rainy days are September and October (26.5 days).
The month with the least rainy days is February (11.3 days).
Average daylight in September /
Average sunshine in September
San Vicente, Cuba
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in September: 10h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days in September
San Vicente, Cuba
- Average sunshine days in September: 2.4 days
The month with the most sunshine days is February (13.5 days).
The month with the least sunshine days is September (2.4 days).
Average UV index in September
San Vicente, Cuba
- Average UV index in September: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 6).
Average cloud cover in September
San Vicente, Cuba
- Average cloud cover in September: 26
The months with the most cloud cover are October and November (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
San Vicente, Cuba
- Average visibility in September: 9km
The month with the highest visibility is March (10km).
The months with the lowest visibility are October and November (8km).
