September weather forecast
Jayaque, El Salvador

Moving into September, Jayaque advances further into the rainy season, with the city maintaining a consistent pattern in weather conditions. A touch of increased rainfall and decreased temperature signify the transition from summer to autumn. The landscape grows even lusher with the plentiful rain, painting a picturesque canvas of green against the azure sky. Lower visibility due to higher rainfall does not deprive the city of its aesthetic appeal. A visit to Jayaque in September offers a unique season blend, translating into an enriching experience.

Temperature

September's presence marks an average high-temperature of a moderately hot 29.8°C (85.6°F), subtly varied from August's 30.8°C (87.4°F). Nighttime temperature in Jayaque experiences an average drop to a pleasant 21.5°C (70.7°F) in September.

Heat index

For most parts of September, the heat index is appraised at a sweltering 38°C (100.4°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

The months with the highest humidity are September and October, with an average relative humidity of 82%.

Rainfall

In Jayaque, in September, during 26.3 rainfall days, 142mm (5.59") of precipitation is typically accumulated. Throughout the year, in Jayaque, there are 187 rainfall days, and 1106mm (43.54") of precipitation is accumulated.

Daylight

In Jayaque, the average length of the day in September is 12h and 12min.
On the first day of September, sunrise is at 05:46 and sunset at 18:08. On the last day of the month, sunrise is at 05:47 and sunset at 17:47 CST.

Sunshine

In September, the average sunshine in Jayaque is 9.3h.

UV index

January, May, June, August through December, with an average maximum UV index of 6, are months with the lowest UV index in Jayaque. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 6 during September translates into these guidelines:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.