September weather forecastCardenas, Cuba
September
Weather in September
In September, rainfall continue to be high reaching totals of approximately 94mm (3.7"). The temperatures remain essentially steady with high temperatures of 31.4°C (88.5°F) and the low lingering at 24.5°C (76.1°F). Despite the high temperatures, the increased cloud coverage and rain help to somewhat mitigate the intensity of the heat. Conditions start to slightly cool off towards the end of the month, signaling the gradual arrival of the fall season.Temperature
The arrival of September marks a slight shift to an average high-temperature of a still hot 31.4°C (88.5°F) from August's 32.3°C (90.1°F). An average low-temperature of 24.5°C (76.1°F) marks the nights in Cardenas throughout September.Heat index
For most parts of September, the heat index is calculated to be a blistering 42°C (107.6°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. 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 of high significance 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.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
The most humid month in Cardenas, Cuba, is September, with an average relative humidity of 80%.Rainfall
In Cardenas, Cuba, in September, it is raining for 21.7 days, with typically 94mm (3.7") of accumulated precipitation. Throughout the year, in Cardenas, there are 167.9 rainfall days, and 613mm (24.13") of precipitation is accumulated.Daylight
In September, the average length of the day in Cardenas is 12h and 16min.On the first day of the month, sunrise is at 07:07 and sunset at 19:41. On the last day of September, in Cardenas, sunrise is at 07:16 and sunset at 19:12 CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
April through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 7 in September leads to these recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cardenas, Cuba
- Average high temperature in September: 31.4°C
The warmest month (with the highest average high temperature) is August (32.3°C).
The month with the lowest average high temperature is January (25.5°C).
- Average low temperature in September: 24.5°C
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (19.1°C).
Average pressure in September
Cardenas, Cuba
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is January (1018.4mbar).
The month with the lowest atmospheric pressure is October (1013.1mbar).
Average wind speed in September
Cardenas, Cuba
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is March (13.4km/h).
The calmest month (with the lowest average wind speed) is September (9.7km/h).
Average humidity in September
Cardenas, Cuba
- Average humidity in September: 80%
The month with the highest relative humidity is September (80%).
The month with the lowest relative humidity is March (70%).
Average rainfall in September
Cardenas, Cuba
- Average rainfall in September: 94mm
The wettest month (with the highest rainfall) is August (105mm).
The driest month (with the least rainfall) is March (12mm).
Average rainfall days in September
Cardenas, Cuba
- Average rainfall days in September: 21.7 days
The month with the highest number of rainy days is September (21.7 days).
The month with the least rainy days is February (7.4 days).
Average daylight in September /
Average sunshine in September
Cardenas, Cuba
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 18min).
Average sunshine days in September
Cardenas, Cuba
- Average sunshine days in September: 5.2 days
The month with the most sunshine days is March (22.1 days).
The month with the least sunshine days is September (5.2 days).
Average UV index in September
Cardenas, Cuba
- Average UV index in September: 7
The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, October, November and December (UV index 6).
Average cloud cover in September
Cardenas, Cuba
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 37).
The months with the least cloud cover are April and July (Cloud cover 25).
Average visibility in September
Cardenas, Cuba
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July and November (10km).
The months with the lowest visibility are January, August, September, October and December (9km).





