September weather forecast and climate
Penas Negras, Colombia

Weather in September

The first month of the autumn, September, is still a tropical month in Penas Negras, Colombia, with average temperature varying between 34.4°C (93.9°F) and 20.5°C (68.9°F).

Temperature

In Penas Negras, the average high-temperature in September is essentially the same as in August - a still tropical 34.4°C (93.9°F). In Penas Negras, Colombia, the average low-temperature is 20.5°C (68.9°F).

Heat index

The average heat index is evaluated at a blistering 40°C (104°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like clothing, pregnancy, metabolic differences, and activity influence one's weather impression. 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

In September, the average relative humidity in Penas Negras is 52%.

Rainfall

In September, in Penas Negras, the rain falls for 17.4 days. Throughout September, 56mm (2.2") of precipitation is accumulated. In Penas Negras, during the entire year, the rain falls for 211.1 days and collects up to 802mm (31.57") of precipitation.

Daylight

In Penas Negras, the average length of the day is 12.1h.

Sunshine

In Penas Negras, the average sunshine is 10.3h.

UV index

Months with the highest UV index are January through April, July through October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 in September interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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. 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 Penas Negras?

In Penas Negras, in September, the average high-temperature is 34.4°C (93.9°F), and the average low-temperature is 20.5°C (68.9°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), that combines both air temperature and relative humidity, in September is appraised at 40°C (104°F).

What is the average humidity in September in Penas Negras?

In September, the average relative humidity in Penas Negras is 52%.

How much does it rain in Penas Negras in September?

In Penas Negras, Colombia, in September, it is raining for 17.4 days, with typically 56mm (2.2") of accumulated precipitation.

How many hours of daylight does Penas Negras have in September?

The average length of the day in September is 12.1h.

How long on average sun shines in September in Penas Negras?

The average sunshine in September in Penas Negras is 10.3h.

What are the months with the highest UV index in Penas Negras?

Months with the highest UV index in Penas Negras, Colombia, are January through April, July through October, with an average maximum UV index of 7.

What is the UV index intensity in September in Penas Negras?

In Penas Negras, the average daily maximum UV index in September 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
Penas Negras, Colombia

Average temperature in September - Penas Negras, Colombia
  • Average high temperature in September: 34.4°C

The warmest month (with the highest average high temperature) is February (35.5°C).
The month with the lowest average high temperature is June (32.5°C).

  • Average low temperature in September: 20.5°C

The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is December (18°C).

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Average pressure in September
Penas Negras, Colombia

Average pressure in September - Penas Negras, Colombia
  • Average pressure in September: 1014.4mbar

The month with the highest atmospheric pressure is July (1015.2mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).

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Average wind speed in September
Penas Negras, Colombia

Average wind speed in September - Penas Negras, Colombia
  • Average wind speed in September: 5.7km/h

The windiest months (with the highest average wind speed) are July and August (7.1km/h).
The calmest month (with the lowest average wind speed) is November (3.6km/h).

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Average humidity in September
Penas Negras, Colombia

Average humidity in September - Penas Negras, Colombia
  • Average humidity in September: 52%

The month with the highest relative humidity is November (65%).
The month with the lowest relative humidity is August (51%).

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Average rainfall in September
Penas Negras, Colombia

Average rainfall in September - Penas Negras, Colombia
  • Average rainfall in September: 56mm

The wettest month (with the highest rainfall) is October (109mm).
The driest month (with the least rainfall) is January (37mm).

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Average rainfall days in September
Penas Negras, Colombia

Average rainfall days in September - Penas Negras, Colombia
  • Average rainfall days in September: 17.4 days

The month with the highest number of rainy days is May (23.4 days).
The month with the least rainy days is January (10.5 days).

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Average daylight in September /
Average sunshine in September
Penas Negras, Colombia

Average daylight in September / Average sunshine in September - Penas Negras, Colombia
  • Average daylight in September: 12.1h

Months with the longest days are May, June and July (Average daylight: 12.3h).
Months with the shortest days are January and December (Average daylight: 11.9h).

  • Average sunshine in September: 10.3h

The month with the most sunshine is August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 8.4h).

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Average sunshine days in September
Penas Negras, Colombia

Average sunshine days in September - Penas Negras, Colombia
  • Average sunshine days in September: 7.7 days

The month with the most sunshine days is January (14.1 days).
The month with the least sunshine days is May (2.4 days).

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Average UV index in September
Penas Negras, Colombia

Average UV index in September - Penas Negras, Colombia
  • Average UV index in September: 7

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

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Average cloud cover in September
Penas Negras, Colombia

Average cloud cover in September - Penas Negras, Colombia
  • Average cloud cover in September: 26

The month with the most cloud cover is May (Cloud cover 33).
The month with the least cloud cover is January (Cloud cover 22).

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Average visibility in September
Penas Negras, Colombia

Average visibility in September - Penas Negras, Colombia
  • Average visibility in September: 10km

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

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