September weather forecast
Puerto Santander, Colombia

The first month of the autumn, September, is also a fiery hot month in Puerto Santander, Colombia, with an average temperature varying between 35°C (95°F) and 20.9°C (69.6°F).

Temperature

With September's arrival, Puerto Santander, Colombia, notes an average high-temperature of a still torrid 35°C (95°F), closely following the trend of the preceding month. In the face of high daytime temperatures, Puerto Santander witnesses a consistent average nighttime low of 20.9°C (69.6°F) during September.

Heat index

For most parts of September, the heat index is appraised at a burning hot 48°C (118.4°F). Prudent: Heat cramps and heat exhaustion are likely. Heatstroke becomes imminent with sustained exertion.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

August and September, with an average relative humidity of 65%, are the least humid months.

Rainfall

In September, the rain falls for 26.2 days. Throughout September, 178mm (7.01") of precipitation is accumulated. Throughout the year, in Puerto Santander, there are 300.5 rainfall days, and 1910mm (75.2") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 10min.
On the first day of September in Puerto Santander, sunrise is at 05:41 and sunset at 17:57. On the last day of the month, sunrise is at 05:37 and sunset at 17:40 -05.

Sunshine

The average sunshine in September is 9.6h.

UV index

The months with the highest UV index in Puerto Santander are February through October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 7 in September translates 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 intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.