Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Juan de Acosta notes an average high-temperature of a still tropical 31.8°C (89.2°F) in September, displaying minor variation from August. Throughout September, Juan de Acosta witnesses a nighttime temperature average of 26°C (78.8°F).Heat index
For most parts of September, the heat index is appraised at a blistering 43°C (109.4°F). Forewarned: Heat cramps and heat exhaustion are anticipated. Ongoing physical activity increases the likelihood of heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
The average relative humidity in September is 78%.Rainfall
In Juan de Acosta, in September, during 22.5 rainfall days, 135mm (5.31") of precipitation is typically accumulated. In Juan de Acosta, during the entire year, the rain falls for 177.5 days and collects up to 1010mm (39.76") of precipitation.Daylight
In September, the average length of the day 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 05:48 and sunset at 17:50 -05.
Sunshine
In September, the average sunshine is 10.2h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Juan de Acosta are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a regular UV index of 7 translates into these guidelines:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Juan de Acosta in September?
What is the average humidity in September in Juan de Acosta?
How many days does it rain in September in Juan de Acosta?
How many hours of daylight does Juan de Acosta have in September?
What time are sunrise and sunset in September in Juan de Acosta?
How long on average sun shines in September in Juan de Acosta?
What is the month with the highest UV index in Juan de Acosta?
What is the month with the lowest UV index in Juan de Acosta?
How high is the UV index in September in Juan de Acosta?
Average temperature in September
Juan de Acosta, Colombia
- Average high temperature in September: 31.8°C
The warmest months (with the highest average high temperature) are February, March and July (32.5°C).
The months with the lowest average high temperature are October and November (30.8°C).
- Average low temperature in September: 26°C
The months with the highest average low temperature are April and May (26.3°C).
The coldest month (with the lowest average low temperature) is January (25°C).
Average pressure in September
Juan de Acosta, Colombia
- Average pressure in September: 1009.7mbar
The month with the highest atmospheric pressure is January (1009.9mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed in September
Juan de Acosta, Colombia
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is March (21.5km/h).
The calmest month (with the lowest average wind speed) is October (9.7km/h).
Average humidity in September
Juan de Acosta, Colombia
- Average humidity in September: 78%
The month with the highest relative humidity is October (80%).
The month with the lowest relative humidity is February (68%).
Average rainfall in September
Juan de Acosta, Colombia
- Average rainfall in September: 135mm
The wettest month (with the highest rainfall) is October (249mm).
The driest month (with the least rainfall) is February (2mm).
Average rainfall days in September
Juan de Acosta, Colombia
- Average rainfall days in September: 22.5 days
The month with the highest number of rainy days is October (26.7 days).
The month with the least rainy days is February (1.8 days).
Average daylight in September /
Average sunshine in September
Juan de Acosta, 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 42min).
The month with the least sunshine is December (Average sunshine: 7h and 30min).
Average sunshine days in September
Juan de Acosta, Colombia
- Average sunshine days in September: 6 days
The month with the most sunshine days is January (27.8 days).
The month with the least sunshine days is October (3.1 days).
Average UV index in September
Juan de Acosta, 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
Juan de Acosta, Colombia
- Average cloud cover in September: 29
The month with the most cloud cover is October (Cloud cover 36).
The month with the least cloud cover is January (Cloud cover 12).
Average visibility in September
Juan de Acosta, 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).
