September weather forecast
Topes de Collantes, Cuba

September

Weather in September

The first month of the autumn, September, is still a warm month in Topes de Collantes, Cuba, with an average temperature varying between 23.9°C (75°F) and 29.3°C (84.7°F).

Temperature

With the onset of September, the average high-temperature stands at a moderately hot 29.3°C (84.7°F), closely aligned with August's 30.1°C (86.2°F). September brings Topes de Collantes a consistent average low-temperature of 23.9°C (75°F).

Heat index

The heat index for September is calculated to be a fiery hot 36°C (96.8°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

The months with the highest humidity are September and October, with an average relative humidity of 83%.

Rainfall

The wettest months are May and September, with an average 196mm (7.72") of rainfall.

Daylight

The average length of the day in September is 12h and 16min.
On the first day of the month, sunrise is at 07:03 and sunset at 19:36. On the last day of September, sunrise is at 07:11 and sunset at 19:08 CDT.

Sunshine

In September, the average sunshine is 9.2h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 7 during September translates into the following directions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

How hot is September?
The average high-temperature, in September, in Topes de Collantes, is 29.3°C (84.7°F), while the average low-temperature is 23.9°C (75°F). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 36°C (96.8°F).
What is the most humid month?
September and October, with an average relative humidity of 83%, are most humid months.
What is the average humidity in September?
The average relative humidity in September is 83%.
What is the rainiest month?
The months with the most rainfall are May and September, with an average 196mm (7.72") of precipitation.
How much does it rain in Topes de Collantes in September?
In Topes de Collantes, during September, the rain falls for 27.3 days and regularly aggregates up to 196mm (7.72") of precipitation.
How many hours of daylight does Topes de Collantes have in September?
In September, the average day length is 12h and 16min.
What time are sunrise and sunset in September?
On the first day of September, sunrise is at 07:03 and sunset at 19:36. On the last day of the month, sunrise is at 07:11 and sunset at 19:08 CDT.
How long on average sun shines in September in Topes de Collantes?
In September, the average sunshine duration is 9.2h.
What are the months with the highest UV index?
May through September, with an average maximum UV index of 7, are months with the highest UV index in Topes de Collantes, Cuba.
What is the UV index intensity in September?
In Topes de Collantes, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average temperature in September - Topes de Collantes, Cuba
Average temperature in September
Topes de Collantes, Cuba
  • Average high temperature in September: 29.3°C

The warmest month (with the highest average high temperature) is August (30.1°C).
The month with the lowest average high temperature is January (25.3°C).

  • Average low temperature in September: 23.9°C

The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is January (18.7°C).

Average pressure in September - Topes de Collantes, Cuba
Average pressure in September
Topes de Collantes, Cuba
  • Average pressure in September: 1012.9mbar

The month with the highest atmospheric pressure is January (1017.6mbar).
The month with the lowest atmospheric pressure is October (1012.5mbar).

Average wind speed in September - Topes de Collantes, Cuba
Average wind speed in September
Topes de Collantes, Cuba
  • Average wind speed in September: 9.5km/h

The windiest month (with the highest average wind speed) is November (13.4km/h).
The calmest month (with the lowest average wind speed) is September (9.5km/h).

Average humidity in September - Topes de Collantes, Cuba
Average humidity in September
Topes de Collantes, Cuba
  • Average humidity in September: 83%

The months with the highest relative humidity are September and October (83%).
The month with the lowest relative humidity is March (75%).

Average rainfall in September - Topes de Collantes, Cuba
Average rainfall in September
Topes de Collantes, Cuba
  • Average rainfall in September: 196mm

The wettest months (with the highest rainfall) are May and September (196mm).
The driest month (with the least rainfall) is March (21mm).

Average rainfall days in September - Topes de Collantes, Cuba
Average rainfall days in September
Topes de Collantes, Cuba
  • Average rainfall days in September: 27.3 days

The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is February (6.9 days).

Average daylight in September / Average sunshine in September - Topes de Collantes, Cuba
Average daylight in September /
Average sunshine in September
Topes de Collantes, Cuba
  • Average daylight in September: 12h and 2min

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 48min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).

Average sunshine days in September - Topes de Collantes, Cuba
Average sunshine days in September
Topes de Collantes, Cuba
  • Average sunshine days in September: 2.2 days

The month with the most sunshine days is March (20.4 days).
The month with the least sunshine days is June (1.9 days).

Average UV index in September - Topes de Collantes, Cuba
Average UV index in September
Topes de Collantes, 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 - Topes de Collantes, Cuba
Average cloud cover in September
Topes de Collantes, Cuba
  • Average cloud cover in September: 30

The month with the most cloud cover is October (Cloud cover 36).
The month with the least cloud cover is March (Cloud cover 25).

Average visibility in September - Topes de Collantes, Cuba
Average visibility in September
Topes de Collantes, Cuba
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, June, October, November and December (10km).
The months with the lowest visibility are May, July, August and September (9km).

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