September weather forecastBarú, Colombia
September
Weather in September
The first month of the autumn, September, is still a hot month in Barú, Colombia, with an average temperature ranging between max 30.5°C (86.9°F) and min 26.8°C (80.2°F).Temperature
The shift into September uncovers an average high-temperature of a still hot 30.5°C (86.9°F), subtly different from the previous month. Night temperatures during September stabilize at an average of 26.8°C (80.2°F), closely mirroring the daytime temperatures.Heat index
In September, the average heat index is calculated to be a sweltering 38°C (100.4°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
The average relative humidity in September is 77%.Rainfall
In Barú, Colombia, in September, it is raining for 25.5 days, with typically 150mm (5.91") of accumulated precipitation. In Barú, during the entire year, the rain falls for 210.6 days and collects up to 1115mm (43.9") of precipitation.Daylight
The average length of the day in September in Barú is 12h and 11min.On the first day of the month, sunrise is at 05:53 and sunset at 18:11. On the last day of September, sunrise is at 05:51 and sunset at 17:53 -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. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily UV index of 7 turns into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Barú, 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
Barú, 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
Barú, 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
Barú, 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
Barú, 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
Barú, 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
Barú, Colombia
- Average daylight in September: 12h and 12min
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 12min
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
Barú, 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
Barú, 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
Barú, 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
Barú, 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).





