September weather forecast and climate
El Cayeno, Colombia

Weather in September

September, the first month of the autumn, in El Cayeno, is also an agreeable month, with temperature in the range of an average high of 22.5°C (72.5°F) and an average low of 11.9°C (53.4°F).

Temperature

In September, the average high-temperature is practically the same as in August - an agreeable 22.5°C (72.5°F). The average low-temperature, in September, is 11.9°C (53.4°F).

Humidity

In El Cayeno, the average relative humidity is 79%.

Rainfall

In September, the rain falls for 24.2 days. Throughout September, 121mm (4.76") of precipitation is accumulated. Throughout the year, in El Cayeno, there are 327.3 rainfall days, and 2531mm (99.65") of precipitation is accumulated.

Daylight

The average length of the day in September is 12.2h.

Sunshine

The average sunshine in September is 9.4h.

UV index

January through March, May, July through September and December, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for the average person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 El Cayeno?

In September, in El Cayeno, Colombia, the average high-temperature is 22.5°C (72.5°F), and the average low-temperature is 11.9°C (53.4°F).

What is the average humidity in September in El Cayeno?

The average relative humidity in September in El Cayeno, Colombia, is 79%.

How many days does it rain in September in El Cayeno?

In El Cayeno, in September, during 24.2 rainfall days, 121mm (4.76") of precipitation is typically accumulated.

What is the average length of the day in September in El Cayeno?

The average length of the day in September in El Cayeno, Colombia, is 12.2h.

How long on average sun shines in September in El Cayeno?

The average sunshine in September in El Cayeno is 9.4h.

What is the month with the highest UV index in El Cayeno?

Months with the highest UV index in El Cayeno are January through March, May, July through September and December, with an average maximum UV index of 5.

What is the UV index intensity in September in El Cayeno?

In September, the average daily maximum UV index in El Cayeno, Colombia, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in September
El Cayeno, Colombia

Average temperature in September - El Cayeno, Colombia
  • Average high temperature in September: 22.5°C

The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is November (20.6°C).

  • Average low temperature in September: 11.9°C

The month with the highest average low temperature is April (12.8°C).
The coldest months (with the lowest average low temperature) are July and August (11.5°C).

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Average pressure in September
El Cayeno, Colombia

Average pressure in September - El Cayeno, Colombia
  • Average pressure in September: 1014mbar

Months with the highest atmospheric pressure are June and July (1014.6mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).

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Average wind speed in September
El Cayeno, Colombia

Average wind speed in September - El Cayeno, Colombia
  • Average wind speed in September: 4.3km/h

The windiest months (with the highest average wind speed) are July and August (4.9km/h).
The calmest month (with the lowest average wind speed) is November (3.3km/h).

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Average humidity in September
El Cayeno, Colombia

Average humidity in September - El Cayeno, Colombia
  • Average humidity in September: 79%

The month with the highest relative humidity is November (91%).
The month with the lowest relative humidity is August (77%).

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Average rainfall in September
El Cayeno, Colombia

Average rainfall in September - El Cayeno, Colombia
  • Average rainfall in September: 121mm

The wettest month (with the highest rainfall) is April (351mm).
The driest month (with the least rainfall) is August (95mm).

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Average rainfall days in September
El Cayeno, Colombia

Average rainfall days in September - El Cayeno, Colombia
  • Average rainfall days in September: 24.2 days

The month with the highest number of rainy days is March (30.3 days).
The month with the least rainy days is August (23.6 days).

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Average daylight in September /
Average sunshine in September
El Cayeno, Colombia

Average daylight in September / Average sunshine in September - El Cayeno, Colombia
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 12.5h).
Months with the shortest days are January and December (Average daylight: 11.8h).

  • Average sunshine in September: 9.4h

The month with the most sunshine is August (Average sunshine: 11.1h).
Months with the least sunshine are January and November (Average sunshine: 7.2).

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Average sunshine days in September
El Cayeno, Colombia

Average sunshine days in September - El Cayeno, Colombia
  • Average sunshine days in September: 4.5 days

The month with the most sunshine days is August (6 days).
The month with the least sunshine days is November (0 days).

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Average UV index in September
El Cayeno, Colombia

Average UV index in September - El Cayeno, Colombia
  • Average UV index in September: 5

Months with the highest UV index are January, February, March, May, July, August, September and December (UV index 5).
Months with the lowest UV index are April, June, October and November (UV index 4).

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Average cloud cover in September
El Cayeno, Colombia

Average cloud cover in September - El Cayeno, Colombia
  • Average cloud cover in September: 36

The month with the most cloud cover is November (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in September
El Cayeno, Colombia

Average visibility in September - El Cayeno, Colombia
  • Average visibility in September: 8km

The month with the highest visibility is August (9km).
Months with the lowest visibility are March, April, May, October, November and December (7km).

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