September weather forecastPuerto Asís, Colombia

September

Weather in September

September, the first month of the autumn in Puerto Asís, is a tropical month, with an average temperature ranging between min 18.8°C (65.8°F) and max 30.8°C (87.4°F).

Temperature

With its high average temperature of 30.8°C (87.4°F) and a low of 18.8°C (65.8°F), September is regarded as the warmest month.

Heat index

The heat index in September is evaluated at a very hot 39°C (102.2°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

With an average relative humidity of 75%, September is the least humid month.

Rainfall

In Puerto Asís, during September, the rain falls for 24.2 days and regularly aggregates up to 150mm (5.91") of precipitation. In Puerto Asís, during the entire year, the rain falls for 310.3 days and collects up to 2604mm (102.52") of precipitation.

Daylight

The average length of the day in September is 12h and 7min.
On the first day of September in Puerto Asís, sunrise is at 06:02 and sunset at 18:09. On the last day of the month, sunrise is at 05:52 and sunset at 17:59 -05.

Sunshine

With an average of 8.8h of sunshine, September has the most sunshine of the year in Puerto Asís.

UV index

The months with the highest UV index are January, February, May, July through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The warmest period tends to be September, when average temperatures fluctuate between a high of 30.8°C (87.4°F) and a low of 18.8°C (65.8°F).

The high-temperature in Puerto Asís during September is 30.8°C (87.4°F) and the low-temperature is 18.8°C (65.8°F). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 39°C (102.2°F).

The least humid month in Puerto Asís, Colombia, is September, with an average relative humidity of 75%.

In September, the average relative humidity in Puerto Asís, Colombia, is 75%.

In September, in Puerto Asís, the rain falls for 24.2 days. Throughout September, 150mm (5.91") of precipitation is accumulated.

In September, the average day length is 12h and 7min.

On the first day of September, sunrise is at 06:02 and sunset at 18:09. On the last day of the month, sunrise is at 05:52 and sunset at 17:59 -05.

September has the most sunshine of the year in Puerto Asís, with an average of 8.8h of sunshine.

In Puerto Asís, the average sunshine duration in September is 8.8h.

The months with the highest UV index in Puerto Asís, Colombia, are January, February, May, July through December, with an average maximum UV index of 6.

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

29.2°C

30.8°C

30.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.6km/h

4.8km/h

4.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

6.8

4.6

2.5

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Puerto Asís, Colombia

Average high temperature in September: 30.8°C

The warmest month (with the highest average high temperature) is September (30.8°C).
The month with the lowest average high temperature is June (26.5°C).

Average low temperature in September: 18.8°C

The month with the highest average low temperature is February (20.4°C).
The coldest months (with the lowest average low temperature) are July and August (18.3°C).

Average pressure in September
Puerto Asís, Colombia

Average pressure in September: 1014mbar

The month with the highest atmospheric pressure is July (1015.7mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).

Average wind speed in September
Puerto Asís, Colombia

Average wind speed in September: 4.5km/h

The windiest month (with the highest average wind speed) is September (4.5km/h).
The calmest months (with the lowest average wind speed) are April and May (3.6km/h).

Average humidity in September
Puerto Asís, Colombia

Average humidity in September: 75%

The months with the highest relative humidity are April and May (88%).
The month with the lowest relative humidity is September (75%).

Average rainfall in September
Puerto Asís, Colombia

Average rainfall in September: 150mm

The wettest month (with the highest rainfall) is November (289mm).
The driest month (with the least rainfall) is July (144mm).

Average rainfall days in September
Puerto Asís, Colombia

Average rainfall days in September: 24.2 days

The month with the highest number of rainy days is March (27.7 days).
The month with the least rainy days is August (23.3 days).

Average daylight in September /
Average sunshine in September
Puerto Asís, Colombia

Average daylight in September: 12h and 6min

The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 6min).

Average sunshine in September: 8h and 48min

The month with the most sunshine is September (Average sunshine: 8h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 6min).

Average sunshine days in September
Puerto Asís, Colombia

Average sunshine days in September: 4.6 days

The month with the most sunshine days is August (6.8 days).
The month with the least sunshine days is November (2.1 days).

Average UV index in September
Puerto Asís, Colombia

Average UV index in September: 6

The months with the highest UV index are January, February, May, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are March, April and June (UV index 5).