September weather forecast
Arroyo de Piedra, Colombia

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Weather in September

September, the first month of the autumn in Arroyo de Piedra, is also a hot month, with an average temperature fluctuating between 26.8°C (80.2°F) and 30.5°C (86.9°F).

Temperature

The arrival of September brings an average high-temperature of a still hot 30.5°C (86.9°F), subtly diverging from August's 30.8°C (87.4°F). Arroyo de Piedra's nights throughout September are marked by an average low temperature of 26.8°C (80.2°F), a minor drop from the day's high.

Heat index

The average heat index in September is calculated to be a very hot 38°C (100.4°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In Arroyo de Piedra, the average relative humidity in September is 77%.

Rainfall

In Arroyo de Piedra, Colombia, during September, the rain falls for 25.5 days and regularly aggregates up to 150mm (5.91") of precipitation. Throughout the year, in Arroyo de Piedra, there are 210.6 rainfall days, and 1115mm (43.9") of precipitation is accumulated.

Daylight

In Arroyo de Piedra, the average length of the day in September is 12h and 11min.
On the first day of the month, sunrise is at 05:50 and sunset at 18:09. On the last day of September, sunrise is at 05:49 and sunset at 17:51 -05.

Sunshine

The average sunshine in September is 10.2h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Arroyo de Piedra. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 7 suggests this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Updated: Jan 25, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How hot does it get in Arroyo de Piedra in September?

In September, the average high-temperature and low-temperature in Arroyo de Piedra are 30.5°C (86.9°F) and 26.8°C (80.2°F) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is calculated to be 38°C (100.4°F).

What is the average humidity in September in Arroyo de Piedra?

The average relative humidity in September is 77%.

How many days does it rain in September in Arroyo de Piedra?

In Arroyo de Piedra, in September, it is raining for 25.5 days, with typically 150mm (5.91") of accumulated precipitation.

What is the average length of the day in September in Arroyo de Piedra?

In September, the average day length in Arroyo de Piedra, Colombia, is 12h and 11min.

When is the sunrise / sunset in September in Arroyo de Piedra?

In September, on the first day of the month, sunrise is at 05:50 and sunset at 18:09. On the last day of the month, in Arroyo de Piedra, Colombia, sunrise is at 05:49 and sunset at 17:51 -05.

How long on average sun shines in September in Arroyo de Piedra?

In September, the average sunshine duration in Arroyo de Piedra is 10.2h.

What are the months with the highest UV index in Arroyo de Piedra?

January through December, with an average maximum UV index of 7, are months with the highest UV index.

What is the month with the lowest UV index in Arroyo de Piedra?

The months with the lowest UV index in Arroyo de Piedra, Colombia, are January through December, with an average maximum UV index of 7.

How high is the UV index in September in Arroyo de Piedra?

In September, the average daily maximum UV index in Arroyo de Piedra, Colombia, is 7. A UV Index of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.

Average temperature in September
Arroyo de Piedra, Colombia

Average temperature in September - Arroyo de Piedra, Colombia
  • Average high temperature in September: 30.5°C

The warmest months (with the highest average high temperature) are February, June and July (31.1°C).
The months with the lowest average high temperature are October and November (29.8°C).

  • Average low temperature in September: 26.8°C

The month with the highest average low temperature is June (26.9°C).
The coldest month (with the lowest average low temperature) is January (25.8°C).

Average pressure in September
Arroyo de Piedra, Colombia

Average pressure in September - Arroyo de Piedra, Colombia
  • Average pressure in September: 1009.5mbar

The month with the highest atmospheric pressure is January (1009.6mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).

Average wind speed in September
Arroyo de Piedra, Colombia

Average wind speed in September - Arroyo de Piedra, Colombia
  • Average wind speed in September: 11.1km/h

The windiest month (with the highest average wind speed) is March (22km/h).
The calmest month (with the lowest average wind speed) is October (10.9km/h).

Average humidity in September
Arroyo de Piedra, Colombia

Average humidity in September - Arroyo de Piedra, Colombia
  • Average humidity in September: 77%

The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is February (71%).

Average rainfall in September
Arroyo de Piedra, Colombia

Average rainfall in September - Arroyo de Piedra, Colombia
  • Average rainfall in September: 150mm

The wettest month (with the highest rainfall) is October (221mm).
The driest month (with the least rainfall) is February (3mm).

Average rainfall days in September
Arroyo de Piedra, Colombia

Average rainfall days in September - Arroyo de Piedra, Colombia
  • Average rainfall days in September: 25.5 days

The month with the highest number of rainy days is October (28.2 days).
The month with the least rainy days is February (2.6 days).

Average daylight in September /
Average sunshine in September
Arroyo de Piedra, Colombia

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

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).

  • Average sunshine in September: 10h and 1min

The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in September
Arroyo de Piedra, Colombia

Average sunshine days in September - Arroyo de Piedra, Colombia
  • Average sunshine days in September: 2.8 days

The month with the most sunshine days is January (25.9 days).
The month with the least sunshine days is October (1.9 days).

Average UV index in September
Arroyo de Piedra, Colombia

Average UV index in September - Arroyo de Piedra, Colombia
  • Average UV index in September: 7

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

Average cloud cover in September
Arroyo de Piedra, Colombia

Average cloud cover in September - Arroyo de Piedra, Colombia
  • Average cloud cover in September: 31

The month with the most cloud cover is October (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 15).

Average visibility in September
Arroyo de Piedra, Colombia

Average visibility in September - Arroyo de Piedra, Colombia
  • Average visibility in September: 10km

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

Arroyo de Piedra, Colombia

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