September weather forecastGuatemala, Cuba
September
Weather in September
The first month of the autumn, September, is still a hot month in Guatemala, Cuba, with an average temperature ranging between max 31°C (87.8°F) and min 22.8°C (73°F).Temperature
The average high-temperature for September is a still hot 31°C (87.8°F), closely aligning with the temperature of the preceding month. During September, Guatemala's temperature averages to a pleasant 22.8°C (73°F) at night.Heat index
September's average heat index is calculated to be a blistering 42°C (107.6°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', shows a temperature sensation when both heat and moisture conditions are combined. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
In Guatemala, the average relative humidity in September is 82%.Rainfall
The months with the most rainfall are May and September, with an average 114mm (4.49") of precipitation.Daylight
The average length of the day in September is 12h and 15min.On the first day of September, sunrise is at 06:46 and sunset at 19:18. On the last day of the month, sunrise is at 06:53 and sunset at 18:51 CDT.
Sunshine
In September, the average sunshine in Guatemala, Cuba, is 10.7h.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index in Guatemala, Cuba. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 7 translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Guatemala, Cuba
- Average high temperature in September: 31°C
The warmest month (with the highest average high temperature) is August (31.5°C).
The month with the lowest average high temperature is January (26.9°C).
- Average low temperature in September: 22.8°C
The months with the highest average low temperature are July and August (23.3°C).
The coldest month (with the lowest average low temperature) is January (19.7°C).
Average pressure in September
Guatemala, 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
Guatemala, Cuba
- Average wind speed in September: 7.7km/h
The windiest months (with the highest average wind speed) are February and March (10.4km/h).
The calmest month (with the lowest average wind speed) is September (7.7km/h).
Average humidity in September
Guatemala, Cuba
- Average humidity in September: 82%
The month with the highest relative humidity is October (84%).
The month with the lowest relative humidity is March (78%).
Average rainfall in September
Guatemala, Cuba
- Average rainfall in September: 114mm
The wettest months (with the highest rainfall) are May and September (114mm).
The driest month (with the least rainfall) is February (19mm).
Average rainfall days in September
Guatemala, Cuba
- Average rainfall days in September: 23.1 days
The month with the highest number of rainy days is October (25.3 days).
The month with the least rainy days is February (12.3 days).
Average daylight in September /
Average sunshine in September
Guatemala, 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 42min
The months with the most sunshine are July and August (Average sunshine: 11h and 12min).
The months with the least sunshine are January and November (Average sunshine: 6h and 18min).
Average sunshine days in September
Guatemala, Cuba
- Average sunshine days in September: 5.2 days
The month with the most sunshine days is March (13.7 days).
The month with the least sunshine days is October (3.5 days).
Average UV index in September
Guatemala, 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
Guatemala, Cuba
- Average cloud cover in September: 25
The months with the most cloud cover are January and November (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Guatemala, Cuba
- Average visibility in September: 9km
The month with the highest visibility is March (10km).
The month with the lowest visibility is October (8km).
