September weather forecastTolú, Colombia

Weather in September

The first month of the autumn, September, is still a tropical month in Tolú, Colombia, with an average temperature varying between 31.6°C (88.9°F) and 24.7°C (76.5°F).

Temperature

The advent of September brings an average high-temperature of a still hot 31.6°C (88.9°F), exhibiting minor difference from the previous month. Throughout September, Tolú witnesses a nighttime temperature average of 24.7°C (76.5°F).

Heat index

September's mean heat index is estimated at a blisteringly hot 43°C (109.4°F). Keep alert: Heat cramps and heat exhaustion are probable. Heatstroke is a potential danger with continued physical activity.
Know that the heat index computations account for shaded terrains and slight winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

In Tolú, Colombia, the average relative humidity in September is 80%.

Rainfall

In Tolú, Colombia, in September, it is raining for 25.9 days, with typically 109mm (4.29") of accumulated precipitation. In Tolú, during the entire year, the rain falls for 234.4 days and collects up to 904mm (35.59") of precipitation.

Daylight

The average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 05:53 and sunset at 18:10. On the last day of September, in Tolú, sunrise is at 05:50 and sunset at 17:53 -05.

Sunshine

In September, the average sunshine is 10h.

UV index

The months with the highest UV index in Tolú 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 hazard from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 7 during September translates into the following guidance:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.