September weather forecastGüirabo, Cuba
September
Weather in September
The first month of the autumn, September, is still a hot month in Güirabo, Cuba, with an average temperature varying between 32.4°C (90.3°F) and 23.1°C (73.6°F).Temperature
September's onset records a minor alteration in the average high-temperature to a still tropical 32.4°C (90.3°F) from August's 33.6°C (92.5°F). September nights observe an average temperature dip to a moderately hot 23.1°C (73.6°F).Heat index
For September, the heat index is calculated to be a burning hot 46°C (114.8°F). Keep on guard: Heat exhaustion and heat cramps are probable. Heatstroke is a possible danger with ongoing physical activity.Consider that heat index readings are for situations in the shade and light wind. 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 'feels like' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
In September, the average relative humidity is 80%.Rainfall
In Güirabo, in September, it is raining for 14.2 days, with typically 37mm (1.46") of accumulated precipitation. In Güirabo, during the entire year, the rain falls for 150.7 days and collects up to 261mm (10.28") of precipitation.Daylight
In Güirabo, the average length of the day in September is 12h and 16min.On the first day of the month, sunrise is at 06:49 and sunset at 19:20. On the last day of September, sunrise is at 06:56 and sunset at 18:53 CDT.
Sunshine
In September, the average sunshine in Güirabo is 10.9h.UV index
The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. 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. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Güirabo, Cuba
- Average high temperature in September: 32.4°C
The warmest month (with the highest average high temperature) is August (33.6°C).
The month with the lowest average high temperature is January (28°C).
- Average low temperature in September: 23.1°C
The month with the highest average low temperature is August (23.6°C).
The coldest month (with the lowest average low temperature) is January (19.5°C).
Average pressure in September
Güirabo, Cuba
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is January (1017mbar).
The month with the lowest atmospheric pressure is October (1012.3mbar).
Average wind speed in September
Güirabo, Cuba
- Average wind speed in September: 7.8km/h
The windiest months (with the highest average wind speed) are February and March (10.1km/h).
The calmest month (with the lowest average wind speed) is October (7.6km/h).
Average humidity in September
Güirabo, 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 (72%).
Average rainfall in September
Güirabo, Cuba
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is October (38mm).
The driest month (with the least rainfall) is February (7mm).
Average rainfall days in September
Güirabo, Cuba
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is October (17.9 days).
The month with the least rainy days is February (7 days).
Average daylight in September /
Average sunshine in September
Güirabo, 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: 10h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in September
Güirabo, Cuba
- Average sunshine days in September: 12.7 days
The month with the most sunshine days is December (17.5 days).
The month with the least sunshine days is October (9.2 days).
Average UV index in September
Güirabo, 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
Güirabo, Cuba
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 25).
Average visibility in September
Güirabo, Cuba
- Average visibility in September: 8km
The month with the highest visibility is March (10km).
The months with the lowest visibility are January, September, October, November and December (8km).





