September weather forecast
El Estor, Guatemala

September, the first month of the autumn in El Estor, is still a warm month, with an average temperature ranging between max 29.5°C (85.1°F) and min 18.7°C (65.7°F).

Temperature

El Estor experiences a transition to a still warm 29.5°C (85.1°F) in average high-temperatures with the arrival of September, not greatly differing from August's 29.7°C (85.5°F). El Estor's nighttime temperature during September is consistently averaged at a refreshing 18.7°C (65.7°F).

Heat index

During September, the heat index is appraised at a fiery hot 37°C (98.6°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In El Estor, the average relative humidity in September is 83%.

Rainfall

In September, the rain falls for 23.2 days. Throughout September, 98mm (3.86") of precipitation is accumulated. In El Estor, during the entire year, the rain falls for 193.9 days and collects up to 636mm (25.04") of precipitation.

Daylight

In September, the average length of the day in El Estor is 12h and 13min.
On the first day of the month, sunrise is at 05:44 and sunset at 18:09. On the last day of September, in El Estor, sunrise is at 05:47 and sunset at 17:47 CST.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In September, the average daily maximum UV index in El Estor, Guatemala, is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 6 during September translates into the following guidance:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.