September weather forecast
Amatitán, El Salvador

September, the first month of the autumn in Amatitán, is still a tropical month, with an average temperature varying between 20.9°C (69.6°F) and 30.5°C (86.9°F).

Temperature

Amatitán's September showcases an average high-temperature of a still tropical 30.5°C (86.9°F), hardly distinct from August's 31.6°C (88.9°F). September nights in Amatitán, El Salvador, are marked by an average low-temperature of 20.9°C (69.6°F).

Heat index

The heat index in September is evaluated at an extremely hot 40°C (104°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to 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 self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

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

Rainfall

In Amatitán, during September, the rain falls for 26.5 days and regularly aggregates up to 150mm (5.91") of precipitation. In Amatitán, during the entire year, the rain falls for 196.7 days and collects up to 1216mm (47.87") of precipitation.

Daylight

In Amatitán, the average length of the day in September is 12h and 12min.
On the first day of the month, sunrise is at 05:44 and sunset at 18:07. On the last day of September, in Amatitán, sunrise is at 05:45 and sunset at 17:46 CST.

Sunshine

The average sunshine in September in Amatitán, El Salvador, is 9h.

UV index

The months with the lowest UV index in Amatitán are May through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 6 suggests this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.