September weather forecast and climate
Las Colonias, Colombia

Weather in September

The first month of the autumn, September, is still a hot month in Las Colonias, Colombia, with average temperature fluctuating between 32.7°C (90.9°F) and 23.1°C (73.6°F).

Temperature

In September, the average high-temperature is practically the same as in August - a still hot 32.7°C (90.9°F). In September, the average low-temperature is 23.1°C (73.6°F).

Heat index

The average heat index in September is estimated at a burning hot 47.5°C (117.5°F). Beware - heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, metabolic differences, pregnancy), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in September is 81%.

Rainfall

In Las Colonias, it is raining for 24.4 days, with typically 116mm (4.57") of accumulated precipitation. Throughout the year, there are 228 rainfall days, and 1026mm (40.39") of precipitation is accumulated.

Daylight

The average length of the day in Las Colonias is 12.2h.

Sunshine

In September, the average sunshine in Las Colonias, Colombia, is 9.6h.

UV index

January through September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Las Colonias. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Las Colonias?

In Las Colonias, in September, the average high-temperature is 32.7°C (90.9°F), and the average low-temperature is 23.1°C (73.6°F). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), that takes the relative humidity and factores it into the air temperature reading, is appraised at 47.5°C (117.5°F).

What is the average humidity in September in Las Colonias?

In September, the average relative humidity is 81%.

How many days does it rain in September in Las Colonias?

In Las Colonias, Colombia, during September, the rain falls for 24.4 days and regularly aggregates up to 116mm (4.57") of precipitation.

How many hours of daylight does Las Colonias have in September?

The average length of the day in September in Las Colonias, Colombia, is 12.2h.

How long on average sun shines in September in Las Colonias?

In September, the average sunshine in Las Colonias, Colombia, is 9.6h.

What is the month with the highest UV index in Las Colonias?

January through September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Las Colonias.

What is the UV index intensity in September in Las Colonias?

In September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation.

Average temperature in September
Las Colonias, Colombia

Average temperature in September - Las Colonias, Colombia
  • Average high temperature in September: 32.7°C

The warmest month (with the highest average high temperature) is February (37.4°C).
The month with the lowest average high temperature is October (31.5°C).

  • Average low temperature in September: 23.1°C

The month with the highest average low temperature is April (24.6°C).
The coldest month (with the lowest average low temperature) is December (22.2°C).

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Average pressure in September
Las Colonias, Colombia

Average pressure in September - Las Colonias, Colombia
  • Average pressure in September: 1009.3mbar

Months with the highest atmospheric pressure are May and September (1009.3mbar).
Months with the lowest atmospheric pressure are February, November and December (1008.8mbar).

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Average wind speed in September
Las Colonias, Colombia

Average wind speed in September - Las Colonias, Colombia
  • Average wind speed in September: 5.9km/h

The windiest month (with the highest average wind speed) is February (6.9km/h).
The calmest month (with the lowest average wind speed) is November (5.2km/h).

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Average humidity in September
Las Colonias, Colombia

Average humidity in September - Las Colonias, Colombia
  • Average humidity in September: 81%

Months with the highest relative humidity are October and November (84%).
The month with the lowest relative humidity is February (57%).

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Average rainfall in September
Las Colonias, Colombia

Average rainfall in September - Las Colonias, Colombia
  • Average rainfall in September: 116mm

The wettest months (with the highest rainfall) are May and October (153mm).
The driest month (with the least rainfall) is January (11mm).

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Average rainfall days in September
Las Colonias, Colombia

Average rainfall days in September - Las Colonias, Colombia
  • Average rainfall days in September: 24.4 days

The month with the highest number of rainy days is May (27.3 days).
The month with the least rainy days is January (6.1 days).

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Average daylight in September /
Average sunshine in September
Las Colonias, Colombia

Average daylight in September / Average sunshine in September - Las Colonias, Colombia
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 12.7h).
Months with the shortest days are January and December (Average daylight: 11.6h).

  • Average sunshine in September: 9.6h

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is December (Average sunshine: 7.4h).

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Average sunshine days in September
Las Colonias, Colombia

Average sunshine days in September - Las Colonias, Colombia
  • Average sunshine days in September: 4.5 days

The month with the most sunshine days is January (23.7 days).
The month with the least sunshine days is October (2.8 days).

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Average UV index in September
Las Colonias, Colombia

Average UV index in September - Las Colonias, Colombia
  • Average UV index in September: 7

Months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 7).
The month with the lowest UV index is October (UV index 6).

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Average cloud cover in September
Las Colonias, Colombia

Average cloud cover in September - Las Colonias, Colombia
  • Average cloud cover in September: 39

The month with the most cloud cover is October (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 19).

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Average visibility in September
Las Colonias, Colombia

Average visibility in September - Las Colonias, Colombia
  • Average visibility in September: 8km

Months with the highest visibility are January, February and March (10km).
Months with the lowest visibility are October and November (7km).

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