September weather forecastColômbia, Brazil
September
Weather in September
September, the first month of the spring in Colômbia, is also a hot month, with an average temperature fluctuating between 20.2°C (68.4°F) and 33.2°C (91.8°F).Temperature
September, on average, is the warmest month, registering a high temperature of 33.2°C (91.8°F) and a low of 20.2°C (68.4°F).Heat index
The heat index value during September is evaluated at a sweltering 36°C (96.8°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
The least humid month is September, with an average relative humidity of 46%.Rainfall
In September, the rain falls for 8.4 days. Throughout September, 39mm (1.54") of precipitation is accumulated. Throughout the year, in Colômbia, there are 210.2 rainfall days, and 1335mm (52.56") of precipitation is accumulated.Daylight
In September, the average length of the day in Colômbia, Brazil, is 11h and 59min.On the first day of the month, sunrise is at 06:22 and sunset at 18:06. On the last day of September, sunrise is at 05:56 and sunset at 18:12 -03.
Sunshine
The average sunshine in September in Colômbia is 9.3h.UV index
In September, the average daily maximum UV index in Colômbia, Brazil, is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Colômbia, Brazil
- Average high temperature in September: 33.2°C
The warmest month (with the highest average high temperature) is September (33.2°C).
The month with the lowest average high temperature is May (25.8°C).
- Average low temperature in September: 20.2°C
The month with the highest average low temperature is October (21.2°C).
The coldest month (with the lowest average low temperature) is June (15.9°C).
Average pressure in September
Colômbia, Brazil
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is July (1018.1mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in September
Colômbia, Brazil
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is August (9.8km/h).
The calmest month (with the lowest average wind speed) is March (6.5km/h).
Average humidity in September
Colômbia, Brazil
- Average humidity in September: 46%
The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is September (46%).
Average rainfall in September
Colômbia, Brazil
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is January (227mm).
The driest month (with the least rainfall) is July (7mm).
Average rainfall days in September
Colômbia, Brazil
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is January (28.8 days).
The month with the least rainy days is August (3.1 days).
Average daylight in September /
Average sunshine in September
Colômbia, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days in September
Colômbia, Brazil
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is August (27.4 days).
The month with the least sunshine days is January (1.6 days).
Average UV index in September
Colômbia, Brazil
- Average UV index in September: 6
The month with the highest UV index is August (UV index 7).
The month with the lowest UV index is February (UV index 5).
Average cloud cover in September
Colômbia, Brazil
- Average cloud cover in September: 18
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Colômbia, Brazil
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March and April (7km).
