September weather forecastBayamo, Cuba
September
Weather in September
Bayamo's September weather brings a slight respite from the escalating temperature that peaked in August. Its weather is largely comparable to that of October, balancing warm days and rainy weather. The humidity rises to 80%, ensuring a uniformly moist environment. Even as the wet season peaks, the wind speed continues to remain calm, providing relief from the humidity. With rainfall spanning 26.1 days, September records the highest frequency of rainfall for the year.Temperature
The advent of September sees the average high-temperature at a still tropical 32.4°C (90.3°F), subtly shifted from August's 33.5°C (92.3°F). September nights in Bayamo experience a consistent temperature drop to an agreeable 22.7°C (72.9°F).Heat index
September's mean heat index is evaluated at a blazing hot 46°C (114.8°F). Watchful: Heat cramps and heat exhaustion are predicted. Continued exertion could lead to heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.
Humidity
In Bayamo, the average relative humidity in September is 80%.Rainfall
The month with the most rainfall in Bayamo is September, when the rain falls for 26.1 days and typically aggregates up to 125mm (4.92") of precipitation.Daylight
In Bayamo, the average length of the day in September is 12h and 15min.On the first day of the month, sunrise is at 06:50 and sunset at 19:21. On the last day of September, in Bayamo, sunrise is at 06:57 and sunset at 18:55 CDT.
Sunshine
In September, the average sunshine is 10.8h.UV index
March through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 7 during September translates into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. 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. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bayamo, Cuba
- Average high temperature in September: 32.4°C
The warmest month (with the highest average high temperature) is August (33.5°C).
The months with the lowest average high temperature are January and December (28.7°C).
- Average low temperature in September: 22.7°C
The month with the highest average low temperature is August (23.3°C).
The coldest months (with the lowest average low temperature) are January and March (19.3°C).
Average pressure in September
Bayamo, Cuba
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is January (1016.9mbar).
The month with the lowest atmospheric pressure is October (1012.2mbar).
Average wind speed in September
Bayamo, Cuba
- Average wind speed in September: 5.8km/h
The windiest months (with the highest average wind speed) are February and March (8km/h).
The calmest months (with the lowest average wind speed) are June and September (5.8km/h).
Average humidity in September
Bayamo, Cuba
- Average humidity in September: 80%
The months with the highest relative humidity are October and November (83%).
The month with the lowest relative humidity is March (71%).
Average rainfall in September
Bayamo, Cuba
- Average rainfall in September: 125mm
The wettest month (with the highest rainfall) is September (125mm).
The driest month (with the least rainfall) is February (14mm).
Average rainfall days in September
Bayamo, Cuba
- Average rainfall days in September: 26.1 days
The month with the highest number of rainy days is September (26.1 days).
The month with the least rainy days is February (9.7 days).
Average daylight in September /
Average sunshine in September
Bayamo, Cuba
- Average daylight in September: 12h and 18min
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 12min).
The months with the least sunshine are January and November (Average sunshine: 6h and 42min).
Average sunshine days in September
Bayamo, Cuba
- Average sunshine days in September: 2.5 days
The month with the most sunshine days is March (16.8 days).
The month with the least sunshine days is September (2.5 days).
Average UV index in September
Bayamo, Cuba
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, October, November and December (UV index 6).
Average cloud cover in September
Bayamo, Cuba
- Average cloud cover in September: 32
The month with the most cloud cover is November (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Bayamo, Cuba
- Average visibility in September: 8km
The months with the highest visibility are February, March and April (9km).
The months with the lowest visibility are October, November and December (7km).





