September weather forecast
Cartago, Colombia

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Weather in September

September, the first month of the autumn in Cartago, is still a warm month, with an average temperature ranging between max 28.5°C (83.3°F) and min 14.6°C (58.3°F).

Temperature

Cartago's September average high-temperature settles at a still moderately hot 28.5°C (83.3°F), showing a near match with the preceding month. Cartago documents a substantial shift from daytime warmth, recording an average nighttime temperature of 14.6°C (58.3°F) in September.

Heat index

During September, the heat index is calculated to be a tropical 32°C (89.6°F). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

August and September, with an average relative humidity of 70%, are the least humid months.

Rainfall

In Cartago, in September, it is raining for 23.2 days, with typically 129mm (5.08") of accumulated precipitation. Throughout the year, in Cartago, there are 288.6 rainfall days, and 1699mm (66.89") of precipitation is accumulated.

Daylight

In Cartago, Colombia, the average length of the day in September is 12h and 8min.
On the first day of the month, sunrise is at 05:57 and sunset at 18:09. On the last day of September, sunrise is at 05:51 and sunset at 17:55 -05.

Sunshine

In September, the average sunshine in Cartago, Colombia, is 10.7h.

UV index

September is the month with the highest UV index in Cartago, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 6 during September leads to these advisories:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

How hot is it in Cartago in September?

In Cartago, in September, the average high-temperature is 28.5°C (83.3°F), and the average low-temperature is 14.6°C (58.3°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 32°C (89.6°F).

What are the least humid months in Cartago?

The months with the lowest humidity are August and September, with an average relative humidity of 70%.

What is the average humidity in September in Cartago?

The average relative humidity in September in Cartago is 70%.

How much does it rain in Cartago in September?

In Cartago, Colombia, in September, during 23.2 rainfall days, 129mm (5.08") of precipitation is typically accumulated.

How many hours of daylight does Cartago have in September?

In Cartago, Colombia, the average day length in September is 12h and 8min.

When are sunrise and sunset in September in Cartago?

On the first day of September in Cartago, Colombia, sunrise is at 05:57 and sunset at 18:09. On the last day of the month, sunrise is at 05:51 and sunset at 17:55 -05.

How many hours of sunshine does Cartago have in September?

The average sunshine duration in September is 10.7h.

When is the highest UV index in Cartago?

The month with the highest UV index is September, with an average maximum UV index of 6.

How high is the UV index in September in Cartago?

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Cartago, Colombia

Average temperature in September - Cartago, Colombia
  • Average high temperature in September: 28.5°C

The warmest month (with the highest average high temperature) is August (28.7°C).
The month with the lowest average high temperature is November (25.8°C).

  • Average low temperature in September: 14.6°C

The months with the highest average low temperature are April and May (15.4°C).
The coldest months (with the lowest average low temperature) are January and December (13.9°C).

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Average pressure in September
Cartago, Colombia

Average pressure in September - Cartago, Colombia
  • Average pressure in September: 1013.3mbar

The month with the highest atmospheric pressure is June (1013.4mbar).
The month with the lowest atmospheric pressure is February (1012.3mbar).

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Average wind speed in September
Cartago, Colombia

Average wind speed in September - Cartago, Colombia
  • Average wind speed in September: 3km/h

The windiest months (with the highest average wind speed) are July and August (3.1km/h).
The calmest month (with the lowest average wind speed) is November (2.6km/h).

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Average humidity in September
Cartago, Colombia

Average humidity in September - Cartago, Colombia
  • Average humidity in September: 70%

The month with the highest relative humidity is November (78%).
The months with the lowest relative humidity are August and September (70%).

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Average rainfall in September
Cartago, Colombia

Average rainfall in September - Cartago, Colombia
  • Average rainfall in September: 129mm

The wettest month (with the highest rainfall) is April (183mm).
The driest month (with the least rainfall) is January (93mm).

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Average rainfall days in September
Cartago, Colombia

Average rainfall days in September - Cartago, Colombia
  • Average rainfall days in September: 23.2 days

The month with the highest number of rainy days is October (28 days).
The month with the least rainy days is February (21.1 days).

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Average daylight in September /
Average sunshine in September
Cartago, Colombia

Average daylight in September / Average sunshine in September - Cartago, Colombia
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 54min).

  • Average sunshine in September: 10h and 4min

The months with the most sunshine are May and June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 42min).

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Average sunshine days in September
Cartago, Colombia

Average sunshine days in September - Cartago, Colombia
  • Average sunshine days in September: 2.2 days

The month with the most sunshine days is January (5.3 days).
The month with the least sunshine days is October (1.4 days).

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Average UV index in September
Cartago, Colombia

Average UV index in September - Cartago, Colombia
  • Average UV index in September: 6

The month with the highest UV index is September (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 5).

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Average cloud cover in September
Cartago, Colombia

Average cloud cover in September - Cartago, Colombia
  • Average cloud cover in September: 25

The month with the most cloud cover is April (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 25).

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Average visibility in September
Cartago, Colombia

Average visibility in September - Cartago, Colombia
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, May, June, July, August, September and October (9km).
The months with the lowest visibility are April, November and December (8km).

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Cartago, Colombia

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