September weather forecast and climate
Siriplana, Colombia

Weather in September

The first month of the autumn, September, is still a warm month in Siriplana, Colombia, with temperature in the range of an average high of 29.9°C (85.8°F) and an average low of 22.9°C (73.2°F).

Temperature

In September, the average high-temperature is almost the same as in August - a still moderately hot 29.9°C (85.8°F). In September, in Siriplana, the average low-temperature is 22.9°C (73.2°F).

Heat index

In September, the average heat index is evaluated at a torrid 38.2°C (100.8°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. 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 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (pregnancy, metabolic differences, clothing), 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.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 37.5°C (99.5°F) to 38.3°C (100.9°F), thermal conditions are potentially life-threatening.

Humidity

In September, the average relative humidity is 83%.

Rainfall

In Siriplana, Colombia, during September, the rain falls for 27.5 days and regularly aggregates up to 149mm (5.87") of precipitation. In Siriplana, during the entire year, the rain falls for 269.7 days and collects up to 1837mm (72.32") of precipitation.

Daylight

In Siriplana, the average length of the day in September is 12.1h.

Sunshine

In Siriplana, the average sunshine in September is 7.6h.

UV index

January through March, September through December, with an average maximum UV index of 7, are months with the highest UV index in Siriplana, Colombia. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Siriplana?

In Siriplana, Colombia, in September, the average high-temperature is 29.9°C (85.8°F), and the average low-temperature is 22.9°C (73.2°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that represents influence of the relative humidity to air temperaure, in September is appraised at 38.2°C (100.8°F).

What is the average humidity in September in Siriplana?

The average relative humidity in September in Siriplana is 83%.

How many days does it rain in September in Siriplana?

In Siriplana, Colombia, in September, during 27.5 rainfall days, 149mm (5.87") of precipitation is typically accumulated.

How many hours of daylight does Siriplana have in September?

In September, the average length of the day in Siriplana is 12.1h.

How long on average sun shines in September in Siriplana?

In Siriplana, Colombia, the average sunshine in September is 7.6h.

What are the months with the highest UV index in Siriplana?

Months with the highest UV index in Siriplana are January through March, September through December, with an average maximum UV index of 7.

How high is the UV index in September in Siriplana?

The average daily maximum UV index in September in Siriplana is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Siriplana, Colombia

Average temperature in September - Siriplana, Colombia
  • Average high temperature in September: 29.9°C

The warmest month (with the highest average high temperature) is February (34.2°C).
The month with the lowest average high temperature is June (27.4°C).

  • Average low temperature in September: 22.9°C

The month with the highest average low temperature is February (25°C).
The coldest month (with the lowest average low temperature) is July (21.7°C).

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Average pressure in September
Siriplana, Colombia

Average pressure in September - Siriplana, Colombia
  • Average pressure in September: 1011.4mbar

The month with the highest atmospheric pressure is July (1013.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).

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Average wind speed in September
Siriplana, Colombia

Average wind speed in September - Siriplana, Colombia
  • Average wind speed in September: 6.3km/h

The windiest month (with the highest average wind speed) is January (13.3km/h).
The calmest month (with the lowest average wind speed) is September (6.3km/h).

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Average humidity in September
Siriplana, Colombia

Average humidity in September - Siriplana, Colombia
  • Average humidity in September: 83%

Months with the highest relative humidity are June and July (89%).
The month with the lowest relative humidity is February (54%).

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Average rainfall in September
Siriplana, Colombia

Average rainfall in September - Siriplana, Colombia
  • Average rainfall in September: 149mm

The wettest month (with the highest rainfall) is May (254mm).
The driest month (with the least rainfall) is January (23mm).

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Average rainfall days in September
Siriplana, Colombia

Average rainfall days in September - Siriplana, Colombia
  • Average rainfall days in September: 27.5 days

The month with the highest number of rainy days is July (28.2 days).
The month with the least rainy days is January (7.6 days).

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

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

The month with the longest days is June (Average daylight: 12.4h).
Months with the shortest days are January, November and December (Average daylight: 11.9h).

  • Average sunshine in September: 7.6h

The month with the most sunshine is February (Average sunshine: 8.8h).
The month with the least sunshine is June (Average sunshine: 4.7h).

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Average sunshine days in September
Siriplana, Colombia

Average sunshine days in September - Siriplana, Colombia
  • Average sunshine days in September: 1.7 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is September (1.7 days).

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Average UV index in September
Siriplana, Colombia

Average UV index in September - Siriplana, Colombia
  • Average UV index in September: 7

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

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Average cloud cover in September
Siriplana, Colombia

Average cloud cover in September - Siriplana, Colombia
  • Average cloud cover in September: 45

The month with the most cloud cover is June (Cloud cover 66).
The month with the least cloud cover is January (Cloud cover 30).

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Average visibility in September
Siriplana, Colombia

Average visibility in September - Siriplana, Colombia
  • Average visibility in September: 8km

Months with the highest visibility are January, February and March (10km).
Months with the lowest visibility are May, June and July (7km).

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