September weather forecast
Chiltiupan, El Salvador

September in Chiltiupan encounters substantial rainfall along with a gentle decrease in temperature. The persistently warm, moist weather does not go unnoticed by the residents. Proportionate to the increase in rainfall, cloud cover significantly ascends, shrouding most of the cityscape. It's worth mentioning that the wind experiences a nominal decline, complementing the cool, gentle breezes of this month. It oversees an escalation in the quantum of rainfall levels, precisely measuring up to 142mm (5.59").

Temperature

Chiltiupan experiences a recorded average high-temperature of a warm 29.8°C (85.6°F) in September, closely aligned with August's 30.8°C (87.4°F). Chiltiupan, during the month of September, experiences an average low-temperature of 21.5°C (70.7°F).

Heat index

The heat index value during September is evaluated at a sweltering 38°C (100.4°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Heat index determinations are made taking into account the shade and light air movements. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. 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. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

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

Rainfall

In Chiltiupan, El Salvador, during September, the rain falls for 26.3 days and regularly aggregates up to 142mm (5.59") of precipitation. Throughout the year, there are 187 rainfall days, and 1106mm (43.54") of precipitation is accumulated.

Daylight

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 17:48 CST.

Sunshine

In Chiltiupan, El Salvador, the average sunshine in September 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. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 6 in September translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Boost your sun resistance with garments that are densely woven yet spacious.